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authorPranith K <pranithk@gluster.com>2011-07-14 06:30:20 +0000
committerVijay Bellur <vijay@gluster.com>2011-10-19 02:28:02 -0700
commit94943e213a61c83481308dba6adc6b23c3581d2e (patch)
treea1664c9d3e16d6278d996f4f8c148ffcef39acf6 /xlators
parent449f31c8ae8f1e6df787cfc1d1203ba7f0312cb6 (diff)
cluster/afr: Fix conflict files and gfids
Change-Id: I771045aca9f9a811744aeec0d844609a37ae4792 BUG: 3734 Reviewed-on: http://review.gluster.com/611 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'xlators')
-rw-r--r--xlators/cluster/afr/src/afr-common.c762
-rw-r--r--xlators/cluster/afr/src/afr-dir-read.c5
-rw-r--r--xlators/cluster/afr/src/afr-dir-write.c2
-rw-r--r--xlators/cluster/afr/src/afr-open.c10
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-common.c1194
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-common.h24
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-data.c8
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-entry.c320
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-metadata.c61
-rw-r--r--xlators/cluster/afr/src/afr-self-heal.h2
-rw-r--r--xlators/cluster/afr/src/afr.h77
11 files changed, 1663 insertions, 802 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index f49d8c55e..69e980a03 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -60,6 +60,117 @@
#define AFR_ICTX_SPLIT_BRAIN_MASK 0x0000000100000000ULL
#define AFR_ICTX_READ_CHILD_MASK 0x00000000FFFFFFFFULL
+int
+afr_lookup_done_success_action (call_frame_t *frame, xlator_t *this,
+ gf_boolean_t fail_conflict);
+gf_boolean_t
+afr_is_child_present (int32_t *success_children, int32_t child_count,
+ int32_t child)
+{
+ gf_boolean_t success_child = _gf_false;
+ int i = 0;
+
+ GF_ASSERT (child < child_count);
+
+ for (i = 0; i < child_count; i++) {
+ if (success_children[i] == -1)
+ break;
+ if (child == success_children[i]) {
+ success_child = _gf_true;
+ break;
+ }
+ }
+ return success_child;
+}
+
+gf_boolean_t
+afr_is_source_child (int32_t *sources, int32_t child_count, int32_t child)
+{
+ gf_boolean_t source_xattrs = _gf_false;
+
+ GF_ASSERT (child < child_count);
+
+ if ((child >= 0) && (child < child_count) &&
+ sources[child]) {
+ source_xattrs = _gf_true;
+ }
+ return source_xattrs;
+}
+
+gf_boolean_t
+afr_is_read_child (int32_t *success_children, int32_t *sources,
+ int32_t child_count, int32_t child)
+{
+ gf_boolean_t success_child = _gf_false;
+ gf_boolean_t source = _gf_false;
+
+ GF_ASSERT (success_children);
+ GF_ASSERT (child_count > 0);
+
+ success_child = afr_is_child_present (success_children, child_count,
+ child);
+ if (!success_child)
+ goto out;
+ if (NULL == sources) {
+ source = _gf_true;
+ goto out;
+ }
+ source = afr_is_source_child (sources, child_count, child);
+out:
+ return (success_child && source);
+}
+
+void
+afr_children_copy (int32_t *dst, int32_t *src, unsigned int child_count)
+{
+ int i = 0;
+
+ for (i = 0; i < child_count; i++)
+ dst[i] = src[i];
+}
+
+void
+afr_xattr_req_prepare (xlator_t *this, dict_t *xattr_req, const char *path)
+{
+ int i = 0;
+ afr_private_t *priv = NULL;
+ int ret = 0;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_set_uint64 (xattr_req, priv->pending_key[i],
+ 3 * sizeof(int32_t));
+ if (ret < 0)
+ gf_log (this->name, GF_LOG_WARNING,
+ "%s: Unable to set dict value for %s",
+ path, priv->pending_key[i]);
+ /* 3 = data+metadata+entry */
+ }
+}
+
+int
+afr_errno_count (int32_t *children, int *child_errno,
+ unsigned int child_count, int32_t op_errno)
+{
+ int i = 0;
+ int errno_count = 0;
+ int child = 0;
+
+ for (i = 0; i < child_count; i++) {
+ if (children) {
+ child = children[i];
+ if (child == -1)
+ break;
+ } else {
+ child = i;
+ }
+ if (child_errno[child] == op_errno)
+ errno_count++;
+ }
+ return errno_count;
+}
+
int32_t
afr_set_dict_gfid (dict_t *dict, uuid_t gfid)
{
@@ -267,9 +378,22 @@ out:
}
-/**
- * afr_local_cleanup - cleanup everything in frame->local
- */
+void
+afr_reset_xattr (dict_t **xattr, unsigned int child_count)
+{
+ unsigned int i = 0;
+
+ if (!xattr)
+ goto out;
+ for (i = 0; i < child_count; i++) {
+ if (xattr[i]) {
+ dict_unref (xattr[i]);
+ xattr[i] = NULL;
+ }
+ }
+out:
+ return;
+}
void
afr_local_sh_cleanup (afr_local_t *local, xlator_t *this)
@@ -285,13 +409,14 @@ afr_local_sh_cleanup (afr_local_t *local, xlator_t *this)
if (sh->buf)
GF_FREE (sh->buf);
+ if (sh->parentbufs)
+ GF_FREE (sh->parentbufs);
+
+ if (sh->inode)
+ inode_unref (sh->inode);
+
if (sh->xattr) {
- for (i = 0; i < priv->child_count; i++) {
- if (sh->xattr[i]) {
- dict_unref (sh->xattr[i]);
- sh->xattr[i] = NULL;
- }
- }
+ afr_reset_xattr (sh->xattr, priv->child_count);
GF_FREE (sh->xattr);
}
@@ -331,6 +456,9 @@ afr_local_sh_cleanup (afr_local_t *local, xlator_t *this)
if (sh->child_success)
GF_FREE (sh->child_success);
+ if (sh->fresh_parent_dirs)
+ GF_FREE (sh->fresh_parent_dirs);
+
loc_wipe (&sh->parent_loc);
}
@@ -374,10 +502,13 @@ afr_local_transaction_cleanup (afr_local_t *local, xlator_t *this)
}
+/**
+ * afr_local_cleanup - cleanup everything in frame->local
+ */
+
void
afr_local_cleanup (afr_local_t *local, xlator_t *this)
{
- int i = 0;
afr_private_t * priv = NULL;
if (!local)
@@ -402,12 +533,8 @@ afr_local_cleanup (afr_local_t *local, xlator_t *this)
{ /* lookup */
if (local->cont.lookup.xattrs) {
- for (i = 0; i < priv->child_count; i++) {
- if (local->cont.lookup.xattrs[i]) {
- dict_unref (local->cont.lookup.xattrs[i]);
- local->cont.lookup.xattrs[i] = NULL;
- }
- }
+ afr_reset_xattr (local->cont.lookup.xattrs,
+ priv->child_count);
GF_FREE (local->cont.lookup.xattrs);
local->cont.lookup.xattrs = NULL;
}
@@ -585,25 +712,6 @@ afr_deitransform (ino64_t ino, int child_count)
}
-int
-afr_self_heal_lookup_unwind (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
-
- local = frame->local;
-
- if (local->govinda_gOvinda && local->cont.lookup.inode) {
- afr_set_split_brain (this, local->cont.lookup.inode, _gf_true);
- }
-
- AFR_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->cont.lookup.inode, &local->cont.lookup.buf,
- local->cont.lookup.xattr,
- &local->cont.lookup.postparent);
-
- return 0;
-}
-
void
afr_lookup_build_response_params (afr_local_t *local, xlator_t *this)
{
@@ -613,13 +721,14 @@ afr_lookup_build_response_params (afr_local_t *local, xlator_t *this)
dict_t **xattr = NULL;
GF_ASSERT (local);
- GF_ASSERT (local->cont.lookup.read_child >= 0);
buf = &local->cont.lookup.buf;
postparent = &local->cont.lookup.postparent;
xattr = &local->cont.lookup.xattr;
- read_child = local->cont.lookup.read_child;
+ read_child = afr_read_child (this, local->cont.lookup.inode);
+ gf_log (this->name, GF_LOG_DEBUG, "Building lookup response from %d",
+ read_child);
*xattr = dict_ref (local->cont.lookup.xattrs[read_child]);
*buf = local->cont.lookup.bufs[read_child];
*postparent = local->cont.lookup.postparents[read_child];
@@ -630,8 +739,7 @@ afr_lookup_build_response_params (afr_local_t *local, xlator_t *this)
}
}
-
- static void
+static void
afr_lookup_update_lk_counts (afr_local_t *local, xlator_t *this,
int child_index, dict_t *xattr)
{
@@ -742,6 +850,8 @@ afr_detect_self_heal_by_lookup_status (afr_local_t *local, xlator_t *this)
local->self_heal.need_metadata_self_heal = _gf_true;
local->self_heal.need_data_self_heal = _gf_true;
local->self_heal.need_entry_self_heal = _gf_true;
+ local->self_heal.need_gfid_self_heal = _gf_true;
+ local->self_heal.need_missing_entry_self_heal = _gf_true;
gf_log(this->name, GF_LOG_INFO,
"entries are missing in lookup of %s.",
local->loc.path);
@@ -749,14 +859,15 @@ afr_detect_self_heal_by_lookup_status (afr_local_t *local, xlator_t *this)
goto out;
}
- if (local->success_count > 0) {
- if (afr_is_split_brain (this, local->cont.lookup.inode) &&
- IA_ISREG (local->cont.lookup.inode->ia_type)) {
- local->self_heal.need_data_self_heal = _gf_true;
- gf_log (this->name, GF_LOG_WARNING,
- "split brain detected during lookup of %s.",
- local->loc.path);
- }
+ if ((local->success_count > 0) &&
+ afr_is_split_brain (this, local->cont.lookup.inode) &&
+ IA_ISREG (local->cont.lookup.inode->ia_type)) {
+ local->self_heal.need_data_self_heal = _gf_true;
+ local->self_heal.need_gfid_self_heal = _gf_true;
+ local->self_heal.need_missing_entry_self_heal = _gf_true;
+ gf_log (this->name, GF_LOG_WARNING,
+ "split brain detected during lookup of %s.",
+ local->loc.path);
}
out:
@@ -769,49 +880,62 @@ afr_can_self_heal_proceed (afr_self_heal_t *sh, afr_private_t *priv)
GF_ASSERT (sh);
GF_ASSERT (priv);
- return ((priv->data_self_heal && sh->need_data_self_heal)
+ return (sh->need_gfid_self_heal
+ || sh->need_missing_entry_self_heal
+ || (priv->data_self_heal && sh->need_data_self_heal)
|| (priv->metadata_self_heal && sh->need_metadata_self_heal)
|| (priv->entry_self_heal && sh->need_entry_self_heal));
}
-gf_boolean_t
-afr_is_self_heal_enabled (afr_private_t *priv)
+afr_transaction_type
+afr_transaction_type_get (ia_type_t ia_type)
{
- GF_ASSERT (priv);
+ afr_transaction_type type = AFR_METADATA_TRANSACTION;
- return (priv->data_self_heal || priv->metadata_self_heal
- || priv->entry_self_heal);
+ GF_ASSERT (ia_type != IA_INVAL);
+
+ if (IA_ISDIR (ia_type)) {
+ type = AFR_ENTRY_TRANSACTION;
+ } else if (IA_ISREG (ia_type)) {
+ type = AFR_DATA_TRANSACTION;
+ }
+ return type;
}
int
afr_lookup_select_read_child (afr_local_t *local, xlator_t *this,
int32_t *read_child)
{
- int32_t source = -1;
- ia_type_t ia_type = 0;
- int ret = -1;
- afr_transaction_type type = AFR_METADATA_TRANSACTION;
- dict_t **xattrs = NULL;
- int32_t *child_success = NULL;
- struct iatt *bufs = NULL;
+ ia_type_t ia_type = IA_INVAL;
+ int32_t source = -1;
+ int ret = -1;
+ dict_t **xattrs = NULL;
+ int32_t *success_children = NULL;
+ struct iatt *bufs = NULL;
+ afr_transaction_type type = AFR_METADATA_TRANSACTION;
GF_ASSERT (local);
GF_ASSERT (this);
bufs = local->cont.lookup.bufs;
- child_success = local->cont.lookup.child_success;
- ia_type = local->cont.lookup.bufs[child_success[0]].ia_type;
- if (IA_ISDIR (ia_type)) {
- type = AFR_ENTRY_TRANSACTION;
- } else if (IA_ISREG (ia_type)) {
- type = AFR_DATA_TRANSACTION;
- }
+ success_children = local->cont.lookup.child_success;
+ /*We can take the success_children[0] only because we already
+ *handle the conflicting children other wise, we could select the
+ *read_child based on wrong file type
+ */
+ ia_type = local->cont.lookup.bufs[success_children[0]].ia_type;
+ type = afr_transaction_type_get (ia_type);
xattrs = local->cont.lookup.xattrs;
source = afr_lookup_select_read_child_by_txn_type (this, local, xattrs,
type);
- if (source < 0)
+ if (source < 0) {
+ gf_log (this->name, GF_LOG_DEBUG, "failed to select source "
+ "for %s", local->loc.path);
goto out;
+ }
+ gf_log (this->name, GF_LOG_DEBUG, "Source selected as %d for %s",
+ source, local->loc.path);
*read_child = source;
ret = 0;
out:
@@ -828,7 +952,10 @@ afr_is_self_heal_running (afr_local_t *local)
static void
afr_launch_self_heal (call_frame_t *frame, xlator_t *this,
gf_boolean_t is_background, ia_type_t ia_type,
- int (*unwind) (call_frame_t *frame, xlator_t *this))
+ inode_t *inode,
+ void (*gfid_sh_success_cbk) (call_frame_t*, xlator_t*),
+ int (*unwind) (call_frame_t *frame, xlator_t *this,
+ int32_t op_ret, int32_t op_errno))
{
afr_local_t *local = NULL;
char sh_type_str[256] = {0,};
@@ -840,6 +967,7 @@ afr_launch_self_heal (call_frame_t *frame, xlator_t *this,
local->self_heal.background = is_background;
local->self_heal.type = ia_type;
local->self_heal.unwind = unwind;
+ local->self_heal.gfid_sh_success_cbk = gfid_sh_success_cbk;
afr_self_heal_type_str_get (&local->self_heal,
sh_type_str,
@@ -849,11 +977,142 @@ afr_launch_self_heal (call_frame_t *frame, xlator_t *this,
"background %s self-heal triggered. path: %s",
sh_type_str, local->loc.path);
- afr_self_heal (frame, this);
+ afr_self_heal (frame, this, inode);
+}
+
+int
+afr_gfid_missing_count (const char *xlator_name, int32_t *success_children,
+ struct iatt *bufs, unsigned int child_count,
+ const char *path)
+{
+ int gfid_miss_count = 0;
+ int i = 0;
+ struct iatt *child1 = NULL;
+
+ for (i = 0; i < child_count; i++) {
+ if (success_children[i] == -1)
+ break;
+ child1 = &bufs[success_children[i]];
+ if (uuid_is_null (child1->ia_gfid)) {
+ gf_log (xlator_name, GF_LOG_DEBUG, "%s: gfid is null"
+ " on subvolume %d", path, success_children[i]);
+ gfid_miss_count++;
+ }
+ }
+
+ return gfid_miss_count;
+}
+
+static int
+afr_lookup_gfid_missing_count (afr_local_t *local, xlator_t *this)
+{
+ int32_t *success_children = NULL;
+ afr_private_t *priv = NULL;
+ struct iatt *bufs = NULL;
+ int miss_count = 0;
+
+ priv = this->private;
+ bufs = local->cont.lookup.bufs;
+ success_children = local->cont.lookup.child_success;
+
+ miss_count = afr_gfid_missing_count (this->name, success_children,
+ bufs, priv->child_count,
+ local->loc.path);
+ return miss_count;
+}
+
+gf_boolean_t
+afr_conflicting_iattrs (struct iatt *bufs, int32_t *success_children,
+ unsigned int child_count, const char *path,
+ const char *xlator_name)
+{
+ gf_boolean_t conflicting = _gf_false;
+ int i = 0;
+ struct iatt *child1 = NULL;
+ struct iatt *child2 = NULL;
+ uuid_t *gfid = NULL;
+ char gfid_str[64] = {0};
+
+ for (i = 0; i < child_count; i++) {
+ if (success_children[i] == -1)
+ break;
+ child1 = &bufs[success_children[i]];
+ if ((!gfid) && (!uuid_is_null (child1->ia_gfid)))
+ gfid = &child1->ia_gfid;
+
+ if (i == 0)
+ continue;
+
+ child2 = &bufs[success_children[i-1]];
+ if (FILETYPE_DIFFERS (child1, child2)) {
+ gf_log (xlator_name, GF_LOG_WARNING, "%s: filetype "
+ "differs on subvolumes (%d, %d)", path,
+ success_children[i-1], success_children[i]);
+ conflicting = _gf_true;
+ goto out;
+ }
+ if (!gfid || uuid_is_null (child1->ia_gfid))
+ continue;
+ if (uuid_compare (*gfid, child1->ia_gfid)) {
+ uuid_utoa_r (*gfid, gfid_str);
+ gf_log (xlator_name, GF_LOG_WARNING, "%s: gfid differs"
+ " on subvolume %d (%s, %s)", path,
+ success_children[i], gfid_str,
+ uuid_utoa (child1->ia_gfid));
+ conflicting = _gf_true;
+ goto out;
+ }
+ }
+out:
+ return conflicting;
+}
+
+/* afr_update_gfid_from_iatts: This function should be called only if the
+ * iatts are not conflicting.
+ */
+void
+afr_update_gfid_from_iatts (uuid_t uuid, struct iatt *bufs,
+ int32_t *success_children, unsigned int child_count)
+{
+ uuid_t *gfid = NULL;
+ int i = 0;
+ int child = 0;
+
+ for (i = 0; i < child_count; i++) {
+ child = success_children[i];
+ if (child == -1)
+ break;
+ if ((!gfid) && (!uuid_is_null (bufs[child].ia_gfid))) {
+ gfid = &bufs[child].ia_gfid;
+ } else if (gfid && (!uuid_is_null (bufs[child].ia_gfid))) {
+ if (uuid_compare (*gfid, bufs[child].ia_gfid)) {
+ GF_ASSERT (0);
+ goto out;
+ }
+ }
+ }
+ if (gfid && (!uuid_is_null (*gfid)))
+ uuid_copy (uuid, *gfid);
+out:
+ return;
+}
+
+static gf_boolean_t
+afr_lookup_conflicting_entries (afr_local_t *local, xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ gf_boolean_t conflict = _gf_false;
+
+ priv = this->private;
+ conflict = afr_conflicting_iattrs (local->cont.lookup.bufs,
+ local->cont.lookup.child_success,
+ priv->child_count, local->loc.path,
+ this->name);
+ return conflict;
}
static void
-afr_lookup_detect_self_heal (afr_local_t *local, xlator_t *this)
+afr_lookup_set_self_heal_data (afr_local_t *local, xlator_t *this)
{
int i = 0;
struct iatt *bufs = NULL;
@@ -862,8 +1121,20 @@ afr_lookup_detect_self_heal (afr_local_t *local, xlator_t *this)
int32_t child1 = -1;
int32_t child2 = -1;
+ priv = this->private;
afr_detect_self_heal_by_lookup_status (local, this);
+ if (afr_lookup_gfid_missing_count (local, this))
+ local->self_heal.need_gfid_self_heal = _gf_true;
+
+ if (_gf_true == afr_lookup_conflicting_entries (local, this))
+ local->self_heal.need_missing_entry_self_heal = _gf_true;
+ else
+ afr_update_gfid_from_iatts (local->self_heal.sh_gfid_req,
+ local->cont.lookup.bufs,
+ local->cont.lookup.child_success,
+ priv->child_count);
+
bufs = local->cont.lookup.bufs;
for (i = 1; i < local->success_count; i++) {
child1 = local->cont.lookup.child_success[i-1];
@@ -873,7 +1144,6 @@ afr_lookup_detect_self_heal (afr_local_t *local, xlator_t *this)
}
xattr = local->cont.lookup.xattrs;
- priv = this->private;
for (i = 0; i < local->success_count; i++) {
child1 = local->cont.lookup.child_success[i];;
afr_lookup_detect_self_heal_by_xattr (local, this,
@@ -881,6 +1151,74 @@ afr_lookup_detect_self_heal (afr_local_t *local, xlator_t *this)
}
}
+int
+afr_self_heal_lookup_unwind (call_frame_t *frame, xlator_t *this,
+ int32_t op_ret, int32_t op_errno)
+{
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+
+ if (op_ret == -1) {
+ local->op_ret = -1;
+ if (afr_error_more_important (local->op_errno, op_errno))
+ local->op_errno = op_errno;
+
+ goto out;
+ } else {
+ local->op_ret = 0;
+ }
+
+ afr_lookup_done_success_action (frame, this, _gf_true);
+out:
+ AFR_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
+ local->cont.lookup.inode, &local->cont.lookup.buf,
+ local->cont.lookup.xattr,
+ &local->cont.lookup.postparent);
+
+ return 0;
+}
+
+//TODO: At the moment only lookup needs this, so not doing any checks, in the
+// future we will have to do fop specific operations
+void
+afr_post_gfid_sh_success (call_frame_t *sh_frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_local_t *sh_local = NULL;
+ afr_private_t *priv = NULL;
+ afr_self_heal_t *sh = NULL;
+ int i = 0;
+ struct iatt *lookup_bufs = NULL;
+ struct iatt *lookup_parentbufs = NULL;
+
+ sh_local = sh_frame->local;
+ sh = &sh_local->self_heal;
+ local = sh->orig_frame->local;
+ lookup_bufs = local->cont.lookup.bufs;
+ lookup_parentbufs = local->cont.lookup.postparents;
+ priv = this->private;
+
+ memcpy (lookup_bufs, sh->buf, priv->child_count * sizeof (*sh->buf));
+ memcpy (lookup_parentbufs, sh->parentbufs,
+ priv->child_count * sizeof (*sh->parentbufs));
+
+ afr_reset_xattr (local->cont.lookup.xattrs, priv->child_count);
+ if (local->cont.lookup.xattr) {
+ dict_unref (local->cont.lookup.xattr);
+ local->cont.lookup.xattr = NULL;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (sh->xattr[i])
+ local->cont.lookup.xattrs[i] = dict_ref (sh->xattr[i]);
+ }
+ afr_reset_children (local->cont.lookup.child_success,
+ priv->child_count);
+ afr_children_copy (local->cont.lookup.child_success,
+ sh->fresh_children, priv->child_count);
+}
+
static void
afr_lookup_perform_self_heal_if_needed (call_frame_t *frame, xlator_t *this,
gf_boolean_t *sh_launched)
@@ -901,20 +1239,15 @@ afr_lookup_perform_self_heal_if_needed (call_frame_t *frame, xlator_t *this,
goto out;
}
- if (_gf_false == afr_is_self_heal_enabled (priv)) {
- gf_log (this->name, GF_LOG_DEBUG,
- "Self heal is not enabled");
- goto out;
- }
-
- afr_lookup_detect_self_heal (local, this);
+ afr_lookup_set_self_heal_data (local, this);
if (afr_can_self_heal_proceed (&local->self_heal, priv)) {
- if (afr_is_self_heal_running (local)) {
+ if (afr_is_self_heal_running (local))
goto out;
- }
afr_launch_self_heal (frame, this, _gf_true,
local->cont.lookup.buf.ia_type,
+ local->cont.lookup.inode,
+ afr_post_gfid_sh_success,
afr_self_heal_lookup_unwind);
*sh_launched = _gf_true;
}
@@ -922,46 +1255,6 @@ out:
return;
}
-static gf_boolean_t
-afr_lookup_split_brain (afr_local_t *local, xlator_t *this)
-{
- int i = 0;
- gf_boolean_t symptom = _gf_false;
- struct iatt *bufs = NULL;
- int32_t *child_success = NULL;
- struct iatt *child1 = NULL;
- struct iatt *child2 = NULL;
- const char *path = NULL;
-
- bufs = local->cont.lookup.bufs;
- child_success = local->cont.lookup.child_success;
- for (i = 1; i < local->success_count; i++) {
- child1 = &bufs[child_success[i-1]];
- child2 = &bufs[child_success[i]];
- /*
- * TODO: gfid self-heal
- * if (uuid_compare (child1->ia_gfid, child2->ia_gfid)) {
- * gf_log (this->name, GF_LOG_WARNING, "%s: gfid differs"
- * " on subvolumes (%d, %d)", local->loc.path,
- * child_success[i-1], child_success[i]);
- * symptom = _gf_true;
- * }
- */
-
- if (FILETYPE_DIFFERS (child1, child2)) {
- path = local->loc.path;
- gf_log (this->name, GF_LOG_WARNING, "%s: filetype "
- "differs on subvolumes (%d, %d)", path,
- child_success[i-1], child_success[i]);
- symptom = _gf_true;
- local->govinda_gOvinda = 1;
- }
- if (symptom)
- break;
- }
- return symptom;
-}
-
static int
afr_lookup_set_read_child (afr_local_t *local, xlator_t *this, int32_t read_child)
{
@@ -973,6 +1266,60 @@ afr_lookup_set_read_child (afr_local_t *local, xlator_t *this, int32_t read_chil
return 0;
}
+int
+afr_lookup_done_success_action (call_frame_t *frame, xlator_t *this,
+ gf_boolean_t fail_conflict)
+{
+ int32_t read_child = -1;
+ int32_t ret = -1;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ if (local->loc.parent == NULL)
+ fail_conflict = _gf_true;
+
+ if (afr_conflicting_iattrs (local->cont.lookup.bufs,
+ local->cont.lookup.child_success,
+ priv->child_count, local->loc.path,
+ this->name)) {
+ if (fail_conflict == _gf_false) {
+ ret = 0;
+ } else {
+ local->op_ret = -1;
+ local->op_errno = EIO;
+ }
+ goto out;
+ }
+
+ ret = afr_lookup_select_read_child (local, this, &read_child);
+ if (ret) {
+ local->op_ret = -1;
+ local->op_errno = EIO;
+ goto out;
+ }
+
+ ret = afr_lookup_set_read_child (local, this, read_child);
+ if (ret) {
+ local->op_ret = -1;
+ local->op_errno = EIO;
+ goto out;
+ }
+
+ afr_lookup_build_response_params (local, this);
+ if (afr_is_fresh_lookup (&local->loc, this)) {
+ afr_update_loc_gfids (&local->loc,
+ &local->cont.lookup.buf,
+ &local->cont.lookup.postparent);
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
static void
afr_lookup_done (call_frame_t *frame, xlator_t *this)
{
@@ -981,44 +1328,44 @@ afr_lookup_done (call_frame_t *frame, xlator_t *this)
afr_local_t *local = NULL;
int ret = -1;
gf_boolean_t sh_launched = _gf_false;
- int32_t read_child = -1;
+ int gfid_miss_count = 0;
+ int enotconn_count = 0;
+ int up_children_count = 0;
priv = this->private;
local = frame->local;
if (local->op_ret < 0)
goto unwind;
-
- if (_gf_true == afr_lookup_split_brain (local, this)) {
- local->op_ret = -1;
- local->op_errno = EIO;
- goto unwind;
- }
-
- ret = afr_lookup_select_read_child (local, this, &read_child);
- if (ret) {
+ gfid_miss_count = afr_lookup_gfid_missing_count (local, this);
+ up_children_count = afr_up_children_count (priv->child_count,
+ local->child_up);
+ enotconn_count = priv->child_count - up_children_count;
+ if ((gfid_miss_count == local->success_count) &&
+ (enotconn_count > 0)) {
local->op_ret = -1;
local->op_errno = EIO;
+ gf_log (this->name, GF_LOG_ERROR, "Failing lookup for %s, "
+ "LOOKUP on a file without gfid is not allowed when "
+ "some of the children are down", local->loc.path);
goto unwind;
}
- ret = afr_lookup_set_read_child (local, this, read_child);
+ ret = afr_lookup_done_success_action (frame, this, _gf_false);
if (ret)
goto unwind;
-
- afr_lookup_build_response_params (local, this);
- if (afr_is_fresh_lookup (&local->loc, this)) {
- afr_update_loc_gfids (&local->loc, &local->cont.lookup.buf,
- &local->cont.lookup.postparent);
- }
+ uuid_copy (local->self_heal.sh_gfid_req, local->cont.lookup.gfid_req);
afr_lookup_perform_self_heal_if_needed (frame, this, &sh_launched);
- if (sh_launched)
+ if (sh_launched) {
unwind = 0;
+ goto unwind;
+ }
+
unwind:
if (unwind) {
AFR_STACK_UNWIND (lookup, frame, local->op_ret,
- local->op_errno, local->cont.lookup.inode,
+ local->op_errno, local->cont.lookup.inode,
&local->cont.lookup.buf,
local->cont.lookup.xattr,
&local->cont.lookup.postparent);
@@ -1034,8 +1381,8 @@ afr_lookup_done (call_frame_t *frame, xlator_t *this)
*
*/
-static gf_boolean_t
-__error_more_important (int32_t old_errno, int32_t new_errno)
+gf_boolean_t
+afr_error_more_important (int32_t old_errno, int32_t new_errno)
{
gf_boolean_t ret = _gf_true;
@@ -1050,6 +1397,28 @@ __error_more_important (int32_t old_errno, int32_t new_errno)
return ret;
}
+int32_t
+afr_resultant_errno_get (int32_t *children,
+ int *child_errno, unsigned int child_count)
+{
+ int i = 0;
+ int32_t op_errno = 0;
+ int child = 0;
+
+ for (i = 0; i < child_count; i++) {
+ if (children) {
+ child = children[i];
+ if (child == -1)
+ break;
+ } else {
+ child = i;
+ }
+ if (afr_error_more_important (op_errno, child_errno[child]))
+ op_errno = child_errno[child];
+ }
+ return op_errno;
+}
+
static void
afr_lookup_handle_error (afr_local_t *local, int32_t op_ret, int32_t op_errno)
{
@@ -1057,7 +1426,7 @@ afr_lookup_handle_error (afr_local_t *local, int32_t op_ret, int32_t op_errno)
if (op_errno == ENOENT)
local->enoent_count++;
- if (__error_more_important (local->op_errno, op_errno))
+ if (afr_error_more_important (local->op_errno, op_errno))
local->op_errno = op_errno;
if (local->op_errno == ESTALE) {
local->op_ret = -1;
@@ -1196,7 +1565,6 @@ afr_lookup_cont_init (afr_local_t *local, unsigned int child_count)
local->cont.lookup.child_success = child_success;
- local->cont.lookup.read_child = -1;
ret = 0;
out:
return ret;
@@ -1208,6 +1576,7 @@ afr_lookup (call_frame_t *frame, xlator_t *this,
{
afr_private_t *priv = NULL;
afr_local_t *local = NULL;
+ void *gfid_req = NULL;
int ret = -1;
int i = 0;
int call_count = 0;
@@ -1277,23 +1646,13 @@ afr_lookup (call_frame_t *frame, xlator_t *this,
else
local->xattr_req = dict_ref (xattr_req);
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_uint64 (local->xattr_req, priv->pending_key[i],
- 3 * sizeof(int32_t));
- if (ret < 0)
- gf_log (this->name, GF_LOG_WARNING,
- "%s: Unable to set dict value for %s",
- loc->path, priv->pending_key[i]);
- /* 3 = data+metadata+entry */
- }
-
+ afr_xattr_req_prepare (this, local->xattr_req, loc->path);
ret = dict_set_uint64 (local->xattr_req, GLUSTERFS_INODELK_COUNT, 0);
if (ret < 0) {
gf_log (this->name, GF_LOG_WARNING,
"%s: Unable to set dict value for %s",
loc->path, GLUSTERFS_INODELK_COUNT);
}
-
ret = dict_set_uint64 (local->xattr_req, GLUSTERFS_ENTRYLK_COUNT, 0);
if (ret < 0) {
gf_log (this->name, GF_LOG_WARNING,
@@ -1301,6 +1660,16 @@ afr_lookup (call_frame_t *frame, xlator_t *this,
loc->path, GLUSTERFS_ENTRYLK_COUNT);
}
+ ret = dict_get_ptr (xattr_req, "gfid-req", &gfid_req);
+ if (ret) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "failed to get the gfid from dict");
+ } else {
+ uuid_copy (local->cont.lookup.gfid_req, gfid_req);
+ }
+ if (local->loc.parent != NULL)
+ dict_del (xattr_req, "gfid-req");
+
for (i = 0; i < priv->child_count; i++) {
if (local->child_up[i]) {
STACK_WIND_COOKIE (frame, afr_lookup_cbk,
@@ -2810,3 +3179,86 @@ afr_notify (xlator_t *this, int32_t event,
out:
return ret;
}
+void
+afr_reset_children (int32_t *fresh_children, int32_t child_count)
+{
+ unsigned int i = 0;
+ for (i = 0; i < child_count; i++)
+ fresh_children[i] = -1;
+}
+
+int32_t*
+afr_fresh_children_create (int32_t child_count)
+{
+ int32_t *fresh_children = NULL;
+ int i = 0;
+
+ GF_ASSERT (child_count > 0);
+
+ fresh_children = GF_CALLOC (child_count, sizeof (*fresh_children),
+ gf_afr_mt_int32_t);
+ if (NULL == fresh_children)
+ goto out;
+ for (i = 0; i < child_count; i++)
+ fresh_children[i] = -1;
+out:
+ return fresh_children;
+}
+
+void
+afr_fresh_children_add_child (int32_t *fresh_children, int32_t child,
+ int32_t child_count)
+{
+ gf_boolean_t child_found = _gf_false;
+ int i = 0;
+
+ for (i = 0; i < child_count; i++) {
+ if (fresh_children[i] == -1)
+ break;
+ if (fresh_children[i] == child) {
+ child_found = _gf_true;
+ break;
+ }
+ }
+ if (!child_found) {
+ GF_ASSERT (i < child_count);
+ fresh_children[i] = child;
+ }
+}
+
+int
+afr_get_children_count (int32_t *fresh_children, unsigned int child_count)
+{
+ int count = 0;
+ int i = 0;
+
+ for (i = 0; i < child_count; i++) {
+ if (fresh_children[i] == -1)
+ break;
+ count++;
+ }
+ return count;
+}
+
+void
+afr_get_fresh_children (int32_t *success_children, int32_t *sources,
+ int32_t *fresh_children, unsigned int child_count)
+{
+ unsigned int i = 0;
+ unsigned int j = 0;
+
+ GF_ASSERT (success_children);
+ GF_ASSERT (sources);
+ GF_ASSERT (fresh_children);
+
+ afr_reset_children (fresh_children, child_count);
+ for (i = 0; i < child_count; i++) {
+ if (success_children[i] == -1)
+ break;
+ if (afr_is_read_child (success_children, sources, child_count,
+ success_children[i])) {
+ fresh_children[j] = success_children[i];
+ j++;
+ }
+ }
+}
diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c
index 3f056b686..9e799b858 100644
--- a/xlators/cluster/afr/src/afr-dir-read.c
+++ b/xlators/cluster/afr/src/afr-dir-read.c
@@ -51,7 +51,8 @@
int
-afr_examine_dir_sh_unwind (call_frame_t *frame, xlator_t *this)
+afr_examine_dir_sh_unwind (call_frame_t *frame, xlator_t *this, int32_t op_ret,
+ int32_t op_errno)
{
afr_local_t *local = NULL;
@@ -177,7 +178,7 @@ out:
" forced merge option set",
sh_type_str, local->loc.path);
- afr_self_heal (frame, this);
+ afr_self_heal (frame, this, local->fd->inode);
} else {
afr_set_opendir_done (this, local->fd->inode);
diff --git a/xlators/cluster/afr/src/afr-dir-write.c b/xlators/cluster/afr/src/afr-dir-write.c
index 3212c1e95..c6f68a072 100644
--- a/xlators/cluster/afr/src/afr-dir-write.c
+++ b/xlators/cluster/afr/src/afr-dir-write.c
@@ -54,6 +54,8 @@ afr_build_parent_loc (loc_t *parent, loc_t *child)
char *tmp = NULL;
if (!child->parent) {
+ //this should never be called with root as the child
+ GF_ASSERT (0);
loc_copy (parent, child);
return;
}
diff --git a/xlators/cluster/afr/src/afr-open.c b/xlators/cluster/afr/src/afr-open.c
index c68c025dd..306f5a85a 100644
--- a/xlators/cluster/afr/src/afr-open.c
+++ b/xlators/cluster/afr/src/afr-open.c
@@ -277,7 +277,8 @@ __unopened_count (int child_count, unsigned int *opened_on, unsigned char *child
int
-afr_openfd_sh_unwind (call_frame_t *frame, xlator_t *this)
+afr_openfd_sh_unwind (call_frame_t *frame, xlator_t *this, int32_t op_ret,
+ int32_t op_errno)
{
afr_local_t *local = NULL;
afr_private_t *priv = NULL;
@@ -418,9 +419,8 @@ afr_openfd_sh (call_frame_t *frame, xlator_t *this)
GF_ASSERT (local->loc.path);
/* forcibly trigger missing-entries self-heal */
- local->success_count = 1;
- local->enoent_count = 1;
-
+ sh->need_missing_entry_self_heal = _gf_true;
+ sh->need_gfid_self_heal = _gf_true;
sh->data_lock_held = _gf_true;
sh->need_data_self_heal = _gf_true;
sh->type = local->fd->inode->ia_type;
@@ -434,7 +434,7 @@ afr_openfd_sh (call_frame_t *frame, xlator_t *this)
"path: %s, reason: Replicate up down flush, data lock is held",
sh_type_str, local->loc.path);
- afr_self_heal (frame, this);
+ afr_self_heal (frame, this, local->fd->inode);
return 0;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.c b/xlators/cluster/afr/src/afr-self-heal-common.c
index b29deb8bc..dc660e198 100644
--- a/xlators/cluster/afr/src/afr-self-heal-common.c
+++ b/xlators/cluster/afr/src/afr-self-heal-common.c
@@ -27,6 +27,21 @@
#include "afr-self-heal.h"
#include "pump.h"
+//Intersection[child]=1 if child is part of intersection
+void
+afr_children_intersection_get (int32_t *set1, int32_t *set2,
+ int *intersection, unsigned int child_count)
+{
+ int i = 0;
+
+ memset (intersection, 0, sizeof (*intersection) * child_count);
+ for (i = 0; i < child_count; i++) {
+ intersection[i] = afr_is_child_present (set1, child_count, i)
+ && afr_is_child_present (set2, child_count,
+ i);
+ }
+}
+
/**
* select_source - select a source and return it
*/
@@ -71,6 +86,14 @@ afr_sh_source_count (int sources[], int child_count)
}
void
+afr_sh_set_error (afr_self_heal_t *sh, int32_t op_errno)
+{
+ sh->op_ret = -1;
+ if (afr_error_more_important (sh->op_errno, op_errno))
+ sh->op_errno = op_errno;
+}
+
+void
afr_sh_print_pending_matrix (int32_t *pending_matrix[], xlator_t *this)
{
afr_private_t * priv = this->private;
@@ -186,31 +209,6 @@ out:
return ret;
}
-
-/**
- * mark_sources: Mark all 'source' nodes and return number of source
- * nodes found
- *
- * A node (a row in the pending matrix) belongs to one of
- * three categories:
- *
- * M is the pending matrix.
- *
- * 'innocent' - M[i] is all zeroes
- * 'fool' - M[i] has i'th element = 1 (self-reference)
- * 'wise' - M[i] has i'th element = 0, others are 1 or 0.
- *
- * All 'innocent' nodes are sinks. If all nodes are innocent, no self-heal is
- * needed.
- *
- * A 'wise' node can be a source. If two 'wise' nodes conflict, it is
- * a split-brain. If one wise node refers to the other but the other doesn't
- * refer back, the referrer is a source.
- *
- * All fools are sinks, unless there are no 'wise' nodes. In that case,
- * one of the fools is made a source.
- */
-
typedef enum {
AFR_NODE_INNOCENT,
AFR_NODE_FOOL,
@@ -585,6 +583,60 @@ afr_find_child_character_type (int32_t *pending_row, int32_t child,
}
int
+afr_build_sources (xlator_t *this, dict_t **xattr, struct iatt *bufs,
+ int32_t **pending_matrix, int32_t *sources,
+ int32_t *success_children, afr_transaction_type type)
+{
+ afr_private_t *priv = NULL;
+ afr_self_heal_type sh_type = AFR_SELF_HEAL_INVALID;
+ int nsources = -1;
+
+ priv = this->private;
+
+ if (afr_get_children_count (success_children, priv->child_count) == 0)
+ goto out;
+
+ afr_build_pending_matrix (priv->pending_key, pending_matrix,
+ xattr, type, priv->child_count);
+
+ sh_type = afr_self_heal_type_for_transaction (type);
+ if (AFR_SELF_HEAL_INVALID == sh_type)
+ goto out;
+
+ afr_sh_print_pending_matrix (pending_matrix, this);
+
+ nsources = afr_mark_sources (sources, pending_matrix, bufs,
+ priv->child_count, sh_type,
+ success_children, this->name);
+out:
+ return nsources;
+}
+
+/**
+ * mark_sources: Mark all 'source' nodes and return number of source
+ * nodes found
+ *
+ * A node (a row in the pending matrix) belongs to one of
+ * three categories:
+ *
+ * M is the pending matrix.
+ *
+ * 'innocent' - M[i] is all zeroes
+ * 'fool' - M[i] has i'th element = 1 (self-reference)
+ * 'wise' - M[i] has i'th element = 0, others are 1 or 0.
+ *
+ * All 'innocent' nodes are sinks. If all nodes are innocent, no self-heal is
+ * needed.
+ *
+ * A 'wise' node can be a source. If two 'wise' nodes conflict, it is
+ * a split-brain. If one wise node refers to the other but the other doesn't
+ * refer back, the referrer is a source.
+ *
+ * All fools are sinks, unless there are no 'wise' nodes. In that case,
+ * one of the fools is made a source.
+ */
+
+int
afr_mark_sources (int32_t *sources, int32_t **pending_matrix, struct iatt *bufs,
int32_t child_count, afr_self_heal_type type,
int32_t *valid_children, const char *xlator_name)
@@ -886,7 +938,7 @@ afr_sh_missing_entries_done (call_frame_t *frame, xlator_t *this)
sh->xattr[i] = NULL;
}
- if (local->govinda_gOvinda) {
+ if (local->govinda_gOvinda || sh->op_failed) {
gf_log (this->name, GF_LOG_INFO,
"split brain found, aborting selfheal of %s",
local->loc.path);
@@ -904,7 +956,7 @@ afr_sh_missing_entries_done (call_frame_t *frame, xlator_t *this)
static int
-sh_missing_entries_finish (call_frame_t *frame, xlator_t *this)
+afr_sh_missing_entries_finish (call_frame_t *frame, xlator_t *this)
{
afr_internal_lock_t *int_lock = NULL;
afr_local_t *local = NULL;
@@ -918,524 +970,751 @@ sh_missing_entries_finish (call_frame_t *frame, xlator_t *this)
return 0;
}
-
-static int
-sh_destroy_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int op_errno,
- struct iatt *preop, struct iatt *postop)
+static void
+afr_sh_common_lookup_resp_handler (call_frame_t *frame, void *cookie,
+ xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *buf,
+ dict_t *xattr, struct iatt *postparent)
{
- afr_local_t *local = NULL;
- loc_t *parent_loc = cookie;
- int call_count = 0;
+ int child_index = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_self_heal_t *sh = NULL;
local = frame->local;
+ priv = this->private;
+ sh = &local->self_heal;
+ child_index = (long) cookie;
- if (op_ret == -1) {
- gf_log (this->name, GF_LOG_INFO,
- "setattr on %s failed: %s",
- local->loc.path, strerror (op_errno));
+ LOCK (&frame->lock);
+ {
+ if (op_ret == 0) {
+ sh->buf[child_index] = *buf;
+ sh->parentbuf = *postparent;
+ sh->parentbufs[child_index] = *postparent;
+ sh->child_success[sh->success_count] = child_index;
+ sh->success_count++;
+ sh->xattr[child_index] = dict_ref (xattr);
+ } else {
+ gf_log (this->name, GF_LOG_ERROR,
+ "path %s on subvolume %s => -1 (%s)",
+ local->loc.path,
+ priv->children[child_index]->name,
+ strerror (op_errno));
+ local->self_heal.child_errno[child_index] = op_errno;
+ }
}
+ UNLOCK (&frame->lock);
+ return;
+}
- if (parent_loc) {
- loc_wipe (parent_loc);
- GF_FREE (parent_loc);
+gf_boolean_t
+afr_valid_ia_type (ia_type_t ia_type)
+{
+ switch (ia_type) {
+ case IA_IFSOCK:
+ case IA_IFREG:
+ case IA_IFBLK:
+ case IA_IFCHR:
+ case IA_IFIFO:
+ case IA_IFLNK:
+ case IA_IFDIR:
+ return _gf_true;
+ default:
+ return _gf_false;
}
+ return _gf_false;
+}
- call_count = afr_frame_return (frame);
+void
+afr_sh_call_entry_impunge_recreate (call_frame_t *frame, xlator_t *this,
+ int child_index, struct iatt *buf,
+ struct iatt *postparent,
+ afr_impunge_done_cbk_t impunge_done)
+{
+ call_frame_t *impunge_frame = NULL;
+ afr_local_t *local = NULL;
+ afr_local_t *impunge_local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_self_heal_t *impunge_sh = NULL;
+ int32_t op_errno = 0;
- if (call_count == 0) {
- STACK_DESTROY (frame->root);
+ impunge_frame = copy_frame (frame);
+ if (!impunge_frame) {
+ op_errno = ENOMEM;
+ goto out;
}
- return 0;
-}
+ ALLOC_OR_GOTO (impunge_local, afr_local_t, out);
+ local = frame->local;
+ sh = &local->self_heal;
+ impunge_frame->local = impunge_local;
+ impunge_sh = &impunge_local->self_heal;
+ impunge_sh->sh_frame = frame;
+ impunge_sh->active_source = sh->source;
+ impunge_sh->impunging_entry_mode = st_mode_from_ia (buf->ia_prot,
+ buf->ia_type);
+ impunge_sh->impunge_ret_child = child_index;
+ loc_copy (&impunge_local->loc, &local->loc);
+ sh->impunge_done = impunge_done;
+ impunge_local->call_count = 1;
+ afr_sh_entry_impunge_create (impunge_frame, this, child_index, buf,
+ postparent);
+ return;
+out:
+ gf_log (this->name, GF_LOG_ERROR, "impunge of %s failed, reason: %s",
+ local->loc.path, strerror (op_errno));
+ impunge_done (frame, this, child_index, -1, op_errno);
+}
-static int
-sh_missing_entries_newentry_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *buf,
- struct iatt *preparent,
- struct iatt *postparent)
-{
- afr_local_t *local = NULL;
- afr_self_heal_t *sh = NULL;
- afr_private_t *priv = NULL;
- call_frame_t *setattr_frame = NULL;
- int call_count = 0;
- int child_index = 0;
- loc_t *parent_loc = NULL;
- struct iatt stbuf = {0,};
- int32_t valid = 0;
+int
+afr_sh_create_entry_cbk (call_frame_t *frame, xlator_t *this, int child,
+ int32_t op_ret, int32_t op_errno)
+{
+ int call_count = 0;
+ afr_local_t *local = NULL;
local = frame->local;
- sh = &local->self_heal;
- priv = this->private;
- child_index = (long) cookie;
-
- stbuf.ia_atime = sh->buf[sh->source].ia_atime;
- stbuf.ia_atime_nsec = sh->buf[sh->source].ia_atime_nsec;
- stbuf.ia_mtime = sh->buf[sh->source].ia_mtime;
- stbuf.ia_mtime_nsec = sh->buf[sh->source].ia_mtime_nsec;
+ if (op_ret == -1)
+ gf_log (this->name, GF_LOG_ERROR,
+ "create entry %s failed, on child %d reason, %s",
+ local->loc.path, child, strerror (op_errno));
+ call_count = afr_frame_return (frame);
+ if (call_count == 0)
+ afr_sh_missing_entries_finish (frame, this);
+ return 0;
+}
- stbuf.ia_uid = sh->buf[sh->source].ia_uid;
- stbuf.ia_gid = sh->buf[sh->source].ia_gid;
+static int
+sh_missing_entries_create (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int type = 0;
+ afr_private_t *priv = NULL;
+ int enoent_count = 0;
+ int i = 0;
+ struct iatt *buf = NULL;
+ struct iatt *postparent = NULL;
- valid = GF_SET_ATTR_UID | GF_SET_ATTR_GID |
- GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME;
+ local = frame->local;
+ sh = &local->self_heal;
+ priv = this->private;
- if (op_ret == -1) {
+ enoent_count = afr_errno_count (NULL, sh->child_errno,
+ priv->child_count, ENOENT);
+ if (enoent_count == 0) {
gf_log (this->name, GF_LOG_INFO,
- "%s: failed to mknod on %s (%s)",
- local->loc.path, priv->children[child_index]->name,
- strerror (op_errno));
+ "no missing files - %s. proceeding to metadata check",
+ local->loc.path);
+ /* proceed to next step - metadata self-heal */
+ afr_sh_missing_entries_finish (frame, this);
+ return 0;
}
- if (op_ret == 0) {
- setattr_frame = copy_frame (frame);
-
- setattr_frame->local = GF_CALLOC (1, sizeof (afr_local_t),
- gf_afr_mt_afr_local_t);
+ buf = &sh->buf[sh->source];
+ postparent = &sh->parentbufs[sh->source];
- ((afr_local_t *)setattr_frame->local)->call_count = 2;
-
- gf_log (this->name, GF_LOG_TRACE,
- "setattr (%s) on subvolume %s",
- local->loc.path, priv->children[child_index]->name);
-
- STACK_WIND_COOKIE (setattr_frame, sh_destroy_cbk,
- (void *) (long) 0,
- priv->children[child_index],
- priv->children[child_index]->fops->setattr,
- &local->loc, &stbuf, valid);
-
- valid = GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME;
- parent_loc = GF_CALLOC (1, sizeof (*parent_loc),
- gf_afr_mt_loc_t);
- afr_build_parent_loc (parent_loc, &local->loc);
-
- STACK_WIND_COOKIE (setattr_frame, sh_destroy_cbk,
- (void *) (long) parent_loc,
- priv->children[child_index],
- priv->children[child_index]->fops->setattr,
- parent_loc, &sh->parentbuf, valid);
+ type = buf->ia_type;
+ if (!afr_valid_ia_type (type)) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: unknown file type: 0%o", local->loc.path, type);
+ local->govinda_gOvinda = 1;
+ afr_sh_missing_entries_finish (frame, this);
+ goto out;
}
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- sh_missing_entries_finish (frame, this);
+ local->call_count = enoent_count;
+ for (i = 0; i < priv->child_count; i++) {
+ //If !child_up errno will be zero
+ if (sh->child_errno[i] != ENOENT)
+ continue;
+ afr_sh_call_entry_impunge_recreate (frame, this, i,
+ buf, postparent,
+ afr_sh_create_entry_cbk);
+ enoent_count--;
}
-
+ GF_ASSERT (enoent_count == 0);
+out:
return 0;
}
-
-static int
-sh_missing_entries_mknod (call_frame_t *frame, xlator_t *this)
+void
+afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this)
{
afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
afr_private_t *priv = NULL;
- int i = 0;
- int ret = 0;
- int enoent_count = 0;
- int call_count = 0;
- mode_t st_mode = 0;
- dev_t ia_rdev = 0;
- dict_t *dict = NULL;
- dev_t st_rdev = 0;
+ int32_t op_errno = 0;
+ ia_type_t ia_type = IA_INVAL;
+ int32_t nsources = 0;
local = frame->local;
sh = &local->self_heal;
priv = this->private;
- for (i = 0; i < priv->child_count; i++)
- if (sh->child_errno[i] == ENOENT)
- enoent_count++;
+ if (afr_get_children_count (sh->child_success,
+ priv->child_count) == 0) {
+ op_errno = afr_resultant_errno_get (NULL, sh->child_errno,
+ priv->child_count);
+ goto out;
+ }
- call_count = enoent_count;
- local->call_count = call_count;
+ if (afr_gfid_missing_count (this->name, sh->child_success,
+ sh->buf, priv->child_count,
+ local->loc.path) ||
+ afr_conflicting_iattrs (sh->buf, sh->child_success,
+ priv->child_count, local->loc.path,
+ this->name)) {
+ //this can happen if finding the fresh parent dir failed
+ local->govinda_gOvinda = 1;
+ sh->op_failed = 1;
+ op_errno = EIO;
+ goto out;
+ }
- st_mode = st_mode_from_ia (sh->buf[sh->source].ia_prot,
- sh->buf[sh->source].ia_type);
- ia_rdev = sh->buf[sh->source].ia_rdev;
- st_rdev = makedev (ia_major (ia_rdev), ia_minor (ia_rdev));
+ //now No chance for the ia_type to conflict
+ ia_type = sh->buf[sh->child_success[0]].ia_type;
+ nsources = afr_build_sources (this, sh->xattr, sh->buf,
+ sh->pending_matrix, sh->sources,
+ sh->child_success,
+ afr_transaction_type_get (ia_type));
+ if (nsources < 0) {
+ gf_log (this->name, GF_LOG_INFO, "No sources for dir of %s,"
+ " in missing entry self-heal, continuing with the rest"
+ " of the self-heals", local->loc.path);
+ op_errno = EIO;
+ goto out;
+ }
- gf_log (this->name, GF_LOG_TRACE,
- "mknod %s mode 0%o device type %"PRId64" on %d subvolumes",
- local->loc.path, st_mode, (uint64_t)st_rdev, enoent_count);
+ afr_get_fresh_children (sh->child_success, sh->sources,
+ sh->fresh_children, priv->child_count);
+ sh->source = sh->fresh_children[0];
+ if (sh->source == -1) {
+ gf_log (this->name, GF_LOG_DEBUG, "No active sources found.");
+ op_errno = EIO;
+ goto out;
+ }
- dict = dict_new ();
- if (!dict)
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
+ if (sh->gfid_sh_success_cbk)
+ sh->gfid_sh_success_cbk (frame, this);
+ sh_missing_entries_create (frame, this);
+ return;
+out:
+ afr_sh_set_error (sh, op_errno);
+ afr_sh_missing_entries_finish (frame, this);
+ return;
+}
- ret = afr_set_dict_gfid (dict, sh->buf[sh->source].ia_gfid);
- if (ret)
- gf_log (this->name, GF_LOG_INFO, "%s: gfid set failed",
- local->loc.path);
+static int
+afr_sh_missing_entries_lookup_cbk (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xattr,
+ struct iatt *postparent)
+{
+ int call_count = 0;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_private_t *priv = NULL;
- for (i = 0; i < priv->child_count; i++) {
- if (sh->child_errno[i] == ENOENT) {
- STACK_WIND_COOKIE (frame,
- sh_missing_entries_newentry_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->mknod,
- &local->loc, st_mode, st_rdev, dict);
- if (!--call_count)
- break;
- }
- }
+ local = frame->local;
+ sh = &local->self_heal;
+ priv = this->private;
- if (dict)
- dict_unref (dict);
+ afr_sh_common_lookup_resp_handler (frame, cookie, this, op_ret,
+ op_errno, inode, buf, xattr,
+ postparent);
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0)
+ afr_sh_missing_entries_lookup_done (frame, this);
return 0;
}
-
-static int
-sh_missing_entries_mkdir (call_frame_t *frame, xlator_t *this)
+int
+afr_sh_remove_entry_cbk (call_frame_t *frame, xlator_t *this, int child,
+ int32_t op_ret, int32_t op_errno)
{
+ int call_count = 0;
afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
- afr_private_t *priv = NULL;
- dict_t *dict = NULL;
- int i = 0;
- int ret = 0;
- int enoent_count = 0;
- int call_count = 0;
- mode_t st_mode = 0;
local = frame->local;
sh = &local->self_heal;
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++)
- if (sh->child_errno[i] == ENOENT)
- enoent_count++;
- call_count = enoent_count;
- local->call_count = call_count;
-
- st_mode = st_mode_from_ia (sh->buf[sh->source].ia_prot,
- sh->buf[sh->source].ia_type);
-
- dict = dict_new ();
- if (!dict) {
+ GF_ASSERT (sh->post_remove_call);
+ if ((op_ret == -1) && (op_errno != ENOENT)) {
gf_log (this->name, GF_LOG_ERROR,
- "Out of memory");
- sh_missing_entries_finish (frame, this);
- return 0;
+ "purge entry %s failed, on child %d reason, %s",
+ local->loc.path, child, strerror (op_errno));
+ LOCK (&frame->lock);
+ {
+ afr_sh_set_error (sh, EIO);
+ sh->op_failed = 1;
+ }
+ UNLOCK (&frame->lock);
}
+ call_count = afr_frame_return (frame);
+ if (call_count == 0)
+ sh->post_remove_call (frame, this);
+ return 0;
+}
- ret = afr_set_dict_gfid (dict, sh->buf[sh->source].ia_gfid);
- if (ret)
- gf_log (this->name, GF_LOG_INFO,
- "%s: inode gfid set failed", local->loc.path);
+void
+afr_sh_call_entry_expunge_remove (call_frame_t *frame, xlator_t *this,
+ int child_index, struct iatt *buf,
+ afr_expunge_done_cbk_t expunge_done)
+{
+ call_frame_t *expunge_frame = NULL;
+ afr_local_t *local = NULL;
+ afr_local_t *expunge_local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_self_heal_t *expunge_sh = NULL;
+ int32_t op_errno = 0;
+ expunge_frame = copy_frame (frame);
+ if (!expunge_frame) {
+ goto out;
+ }
- gf_log (this->name, GF_LOG_TRACE,
- "mkdir %s mode 0%o on %d subvolumes",
- local->loc.path, st_mode, enoent_count);
+ ALLOC_OR_GOTO (expunge_local, afr_local_t, out);
- for (i = 0; i < priv->child_count; i++) {
- if (sh->child_errno[i] == ENOENT) {
- if (!strcmp (local->loc.path, "/")) {
- /* We shouldn't try to create "/" */
+ local = frame->local;
+ sh = &local->self_heal;
+ expunge_frame->local = expunge_local;
+ expunge_sh = &expunge_local->self_heal;
+ expunge_sh->sh_frame = frame;
+ loc_copy (&expunge_local->loc, &local->loc);
+ sh->expunge_done = expunge_done;
+ afr_sh_entry_expunge_remove (expunge_frame, this, child_index, buf);
+ return;
+out:
+ gf_log (this->name, GF_LOG_ERROR, "Expunge of %s failed, reason: %s",
+ local->loc.path, strerror (op_errno));
+ expunge_done (frame, this, child_index, -1, op_errno);
+}
- sh_missing_entries_finish (frame, this);
+void
+afr_sh_remove_stale_lookup_info (afr_self_heal_t *sh, int32_t *success_children,
+ int32_t *fresh_children,
+ unsigned int child_count)
+{
+ int i = 0;
- return 0;
- } else {
- STACK_WIND_COOKIE (frame,
- sh_missing_entries_newentry_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->mkdir,
- &local->loc, st_mode, dict);
- if (!--call_count)
- break;
- }
+ for (i = 0; i < child_count; i++) {
+ if (afr_is_child_present (success_children, child_count, i) &&
+ !afr_is_child_present (fresh_children, child_count, i)) {
+ sh->child_errno[i] = ENOENT;
+ GF_ASSERT (sh->xattr[i]);
+ dict_unref (sh->xattr[i]);
+ sh->xattr[i] = NULL;
}
}
+}
- if (dict)
- dict_unref (dict);
+int
+afr_sh_purge_stale_entries_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_private_t *priv = NULL;
+ local = frame->local;
+ sh = &local->self_heal;
+ priv = this->private;
+
+ if (sh->op_failed) {
+ afr_sh_missing_entries_finish (frame, this);
+ } else {
+ if (afr_gfid_missing_count (this->name, sh->fresh_children,
+ sh->buf, priv->child_count,
+ local->loc.path)) {
+ afr_sh_common_lookup (frame, this, &local->loc,
+ afr_sh_missing_entries_lookup_cbk,
+ _gf_true);
+ } else {
+ //No need to set gfid so goto missing entries lookup done
+ //Behave as if you have done the lookup
+ afr_sh_remove_stale_lookup_info (sh,
+ sh->child_success,
+ sh->fresh_children,
+ priv->child_count);
+ afr_children_copy (sh->child_success,
+ sh->fresh_children,
+ priv->child_count);
+ afr_sh_missing_entries_lookup_done (frame, this);
+ }
+ }
return 0;
}
-
-static int
-sh_missing_entries_symlink (call_frame_t *frame, xlator_t *this,
- const char *link, struct iatt *buf)
+gf_boolean_t
+afr_sh_purge_entry_condition (afr_local_t *local, afr_private_t *priv,
+ int child)
{
- afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
- afr_private_t *priv = NULL;
- dict_t *dict = NULL;
- int i = 0;
- int ret = 0;
- int enoent_count = 0;
- int call_count = 0;
-
- local = frame->local;
sh = &local->self_heal;
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++)
- if (sh->child_errno[i] == ENOENT)
- enoent_count++;
- call_count = enoent_count;
- local->call_count = call_count;
+ if (local->child_up[child] &&
+ (!afr_is_child_present (sh->fresh_parent_dirs, priv->child_count,
+ child))
+ && (sh->child_errno[child] != ENOENT))
+ return _gf_true;
- dict = dict_new ();
- if (!dict) {
- gf_log (this->name, GF_LOG_ERROR,
- "Out of memory");
- sh_missing_entries_finish (frame, this);
- return 0;
- }
+ return _gf_false;
+}
- ret = afr_set_dict_gfid (dict, buf->ia_gfid);
- if (ret)
- gf_log (this->name, GF_LOG_DEBUG,
- "%s: dict gfid set failed", local->loc.path);
+gf_boolean_t
+afr_sh_purge_stale_entry_condition (afr_local_t *local, afr_private_t *priv,
+ int child)
+{
+ afr_self_heal_t *sh = NULL;
- gf_log (this->name, GF_LOG_TRACE,
- "symlink %s -> %s on %d subvolumes",
- local->loc.path, link, enoent_count);
+ sh = &local->self_heal;
- for (i = 0; i < priv->child_count; i++) {
- if (sh->child_errno[i] == ENOENT) {
- STACK_WIND_COOKIE (frame,
- sh_missing_entries_newentry_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->symlink,
- link, &local->loc, dict);
- if (!--call_count)
- break;
- }
- }
+ if (local->child_up[child] &&
+ (!afr_is_child_present (sh->fresh_children, priv->child_count,
+ child))
+ && (sh->child_errno[child] != ENOENT))
+ return _gf_true;
- return 0;
+ return _gf_false;
}
-
-static int
-sh_missing_entries_readlink_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- const char *link, struct iatt *sbuf)
+void
+afr_sh_purge_entry_common (call_frame_t *frame, xlator_t *this,
+ gf_boolean_t purge_condition (afr_local_t *local,
+ afr_private_t *priv,
+ int child))
{
afr_local_t *local = NULL;
- afr_self_heal_t *sh = NULL;
afr_private_t *priv = NULL;
+ afr_self_heal_t *sh = NULL;
+ int i = 0;
+ int call_count = 0;
local = frame->local;
sh = &local->self_heal;
priv = this->private;
- if (op_ret > 0)
- sh_missing_entries_symlink (frame, this, link, sbuf);
- else {
- gf_log (this->name, GF_LOG_INFO,
- "%s: failed to do readlink on %s (%s)",
- local->loc.path, priv->children[sh->source]->name,
- strerror (op_errno));
- sh_missing_entries_finish (frame, this);
+ for (i = 0; i < priv->child_count; i++) {
+ if (purge_condition (local, priv, i))
+ call_count++;
}
- return 0;
-}
+ if (call_count == 0) {
+ sh->post_remove_call (frame, this);
+ goto out;
+ }
+ local->call_count = call_count;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!purge_condition (local, priv, i))
+ continue;
+ afr_sh_call_entry_expunge_remove (frame, this,
+ (long) i, &sh->buf[i],
+ afr_sh_remove_entry_cbk);
+ }
+out:
+ return;
+}
-static int
-sh_missing_entries_readlink (call_frame_t *frame, xlator_t *this)
+void
+afr_sh_purge_entry (call_frame_t *frame, xlator_t *this)
{
afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
- afr_private_t *priv = NULL;
local = frame->local;
sh = &local->self_heal;
- priv = this->private;
+ sh->post_remove_call = afr_sh_missing_entries_finish;
- STACK_WIND (frame, sh_missing_entries_readlink_cbk,
- priv->children[sh->source],
- priv->children[sh->source]->fops->readlink,
- &local->loc, 4096);
-
- return 0;
+ afr_sh_purge_entry_common (frame, this, afr_sh_purge_entry_condition);
}
-
-static int
-sh_missing_entries_create (call_frame_t *frame, xlator_t *this)
+void
+afr_sh_purge_stale_entry (call_frame_t *frame, xlator_t *this)
{
afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
- int type = 0;
- int i = 0;
afr_private_t *priv = NULL;
- int enoent_count = 0;
- int govinda_gOvinda = 0;
+ int i = 0;
local = frame->local;
sh = &local->self_heal;
priv = this->private;
+ sh->post_remove_call = afr_sh_purge_stale_entries_done;
+
for (i = 0; i < priv->child_count; i++) {
- if (!local->child_up[i])
+ if (afr_is_child_present (sh->fresh_children,
+ priv->child_count, i))
continue;
- if (sh->child_errno[i]) {
- if (sh->child_errno[i] == ENOENT)
- enoent_count++;
- } else {
- if (type) {
- if (type != sh->buf[i].ia_type) {
- gf_log (this->name, GF_LOG_DEBUG,
- "file %s is not recoverable "
- "automatically!",
- local->loc.path);
-
- govinda_gOvinda = 1;
- }
- } else {
- sh->source = i;
- type = sh->buf[i].ia_type;
- }
- }
- }
+ if ((!local->child_up[i]) || sh->child_errno[i] != 0)
+ continue;
- if (govinda_gOvinda) {
- gf_log (this->name, GF_LOG_ERROR,
- "conflicting filetypes exist for path %s. returning.",
- local->loc.path);
+ GF_ASSERT (!uuid_is_null (sh->entrybuf.ia_gfid) ||
+ uuid_is_null (sh->buf[i].ia_gfid));
- local->govinda_gOvinda = 1;
- sh_missing_entries_finish (frame, this);
- return 0;
- }
+ if ((sh->entrybuf.ia_type != sh->buf[i].ia_type) ||
+ (uuid_compare (sh->buf[i].ia_gfid,
+ sh->entrybuf.ia_gfid)))
+ continue;
+
+ afr_fresh_children_add_child (sh->fresh_children,
+ i, priv->child_count);
- if (!type) {
- gf_log (this->name, GF_LOG_ERROR,
- "no source found for %s. all nodes down?. returning.",
- local->loc.path);
- /* subvolumes down and/or file does not exist */
- sh_missing_entries_finish (frame, this);
- return 0;
}
+ afr_sh_purge_entry_common (frame, this,
+ afr_sh_purge_stale_entry_condition);
+}
- if (enoent_count == 0) {
- gf_log (this->name, GF_LOG_INFO,
- "no missing files - %s. proceeding to metadata check",
- local->loc.path);
- /* proceed to next step - metadata self-heal */
- sh_missing_entries_finish (frame, this);
- return 0;
+void
+afr_sh_save_child_iatts_from_policy (int32_t *children, struct iatt *bufs,
+ struct iatt *save,
+ unsigned int child_count)
+{
+ int i = 0;
+ int child = 0;
+ gf_boolean_t saved = _gf_false;
+
+ GF_ASSERT (save);
+ //if iatt buf with gfid exists sets it
+ for (i = 0; i < child_count; i++) {
+ child = children[i];
+ if (child == -1)
+ break;
+ *save = bufs[child];
+ saved = _gf_true;
+ if (!uuid_is_null (save->ia_gfid))
+ break;
}
+ GF_ASSERT (saved);
+}
- switch (type) {
- case IA_IFSOCK:
- case IA_IFREG:
- case IA_IFBLK:
- case IA_IFCHR:
- case IA_IFIFO:
- sh_missing_entries_mknod (frame, this);
- break;
- case IA_IFLNK:
- sh_missing_entries_readlink (frame, this);
- break;
- case IA_IFDIR:
- sh_missing_entries_mkdir (frame, this);
- break;
- default:
- gf_log (this->name, GF_LOG_ERROR,
- "%s: unknown file type: 0%o", local->loc.path, type);
+void
+afr_sh_children_lookup_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_private_t *priv = NULL;
+ int32_t fresh_child_enoents = 0;
+ int32_t fresh_parent_count = 0;
+ int32_t op_errno = 0;
+
+ local = frame->local;
+ sh = &local->self_heal;
+ priv = this->private;
+
+ if (afr_get_children_count (sh->child_success,
+ priv->child_count) == 0) {
+ op_errno = afr_resultant_errno_get (NULL, sh->child_errno,
+ priv->child_count);
+ goto fail;
+ }
+
+ //make intersection of (success_children & fresh_parent_dirs) fresh_children
+ //the other success_children will be added to it if they are not stale
+ afr_children_intersection_get (sh->child_success,
+ sh->fresh_parent_dirs,
+ sh->sources, priv->child_count);
+ afr_get_fresh_children (sh->child_success, sh->sources,
+ sh->fresh_children, priv->child_count);
+ memset (sh->sources, 0, sizeof (*sh->sources) * priv->child_count);
+
+ fresh_parent_count = afr_get_children_count (sh->fresh_parent_dirs,
+ priv->child_count);
+ //we need the enoent count of the subvols present in fresh_parent_dirs
+ fresh_child_enoents = afr_errno_count (sh->fresh_parent_dirs,
+ sh->child_errno,
+ priv->child_count, ENOENT);
+ if (fresh_child_enoents == fresh_parent_count) {
+ afr_sh_set_error (sh, ENOENT);
+ sh->op_failed = 1;
+ afr_sh_purge_entry (frame, this);
+ } else if (!afr_conflicting_iattrs (sh->buf, sh->fresh_children,
+ priv->child_count, local->loc.path,
+ this->name)) {
+ afr_sh_save_child_iatts_from_policy (sh->fresh_children,
+ sh->buf, &sh->entrybuf,
+ priv->child_count);
+ afr_update_gfid_from_iatts (sh->sh_gfid_req, sh->buf,
+ sh->fresh_children,
+ priv->child_count);
+ afr_sh_purge_stale_entry (frame, this);
+ } else {
+ op_errno = EIO;
local->govinda_gOvinda = 1;
- sh_missing_entries_finish (frame, this);
+ goto fail;
}
- return 0;
-}
+ return;
+fail:
+ afr_sh_set_error (sh, op_errno);
+ afr_sh_missing_entries_finish (frame, this);
+ return;
+}
static int
-sh_missing_entries_lookup_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *buf, dict_t *xattr,
- struct iatt *postparent)
+afr_sh_children_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xattr,
+ struct iatt *postparent)
{
- int child_index = 0;
- afr_local_t *local = NULL;
int call_count = 0;
+
+ afr_sh_common_lookup_resp_handler (frame, cookie, this, op_ret,
+ op_errno, inode, buf, xattr,
+ postparent);
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0)
+ afr_sh_children_lookup_done (frame, this);
+
+ return 0;
+}
+
+static int
+afr_sh_find_fresh_parents (call_frame_t *frame, xlator_t *this)
+{
+ afr_self_heal_t *sh = NULL;
afr_private_t *priv = NULL;
- mode_t st_mode = 0;
+ afr_local_t *local = NULL;
+ int enoent_count = 0;
+ int nsources = 0;
+ int source = -1;
local = frame->local;
+ sh = &local->self_heal;
priv = this->private;
- child_index = (long) cookie;
-
- if (buf)
- st_mode = st_mode_from_ia (buf->ia_prot, buf->ia_type);
+ /* If We can't find a fresh parent directory here,
+ * we wont know which subvol is correct without finding a parent dir
+ * upwards which has correct xattrs, for that we may have to
+ * do lookups till root, we dont wanna do that,
+ * instead make sure that if there are conflicting gfid
+ * parent dirs, self-heal thus lookup is failed with EIO.
+ * if there are missing entries we dont know whether to delete or
+ * create so fail with EIO,
+ * If there are conflicting xattr fail with EIO.
+ */
+ if (afr_get_children_count (sh->child_success,
+ priv->child_count) == 0) {
+ gf_log (this->name, GF_LOG_ERROR, "Parent dir lookup failed "
+ "for %s, in missing entry self-heal, continuing with "
+ "the rest of the self-heals", local->loc.path);
+ goto out;
+ }
- LOCK (&frame->lock);
- {
- if (op_ret == 0) {
- gf_log (this->name, GF_LOG_TRACE,
- "path %s on subvolume %s is of mode 0%o",
- local->loc.path,
- priv->children[child_index]->name,
- st_mode);
+ enoent_count = afr_errno_count (NULL, sh->child_errno,
+ priv->child_count, ENOENT);
+ if (enoent_count > 0) {
+ gf_log (this->name, GF_LOG_INFO, "Parent dir missing for %s,"
+ " in missing entry self-heal, continuing with the rest"
+ " of the self-heals", local->loc.path);
+ goto out;
+ }
- local->self_heal.buf[child_index] = *buf;
- local->self_heal.parentbuf = *postparent;
- } else {
- gf_log (this->name, GF_LOG_INFO,
- "path %s on subvolume %s => -1 (%s)",
- local->loc.path,
- priv->children[child_index]->name,
- strerror (op_errno));
+ if (afr_conflicting_iattrs (sh->buf, sh->child_success,
+ priv->child_count, sh->parent_loc.path,
+ this->name)) {
+ gf_log (this->name, GF_LOG_INFO, "conflicting stat info for "
+ "parent dirs of %s", local->loc.path);
+ goto out;
+ }
- local->self_heal.child_errno[child_index] = op_errno;
- }
+ nsources = afr_build_sources (this, sh->xattr, sh->buf,
+ sh->pending_matrix, sh->sources,
+ sh->child_success,
+ AFR_ENTRY_TRANSACTION);
+ if (nsources < 0) {
+ gf_log (this->name, GF_LOG_INFO, "No sources for dir of %s,"
+ " in missing entry self-heal, continuing with the rest"
+ " of the self-heals", local->loc.path);
+ goto out;
+ }
+ source = afr_sh_select_source (sh->sources, priv->child_count);
+ if (source == -1) {
+ GF_ASSERT (0);
+ gf_log (this->name, GF_LOG_DEBUG, "No active sources found.");
+ goto out;
}
- UNLOCK (&frame->lock);
+ afr_get_fresh_children (sh->child_success, sh->sources,
+ sh->fresh_parent_dirs, priv->child_count);
+ afr_sh_common_lookup (frame, this, &local->loc,
+ afr_sh_children_lookup_cbk, _gf_false);
+ return 0;
+
+out:
+ afr_sh_set_error (sh, EIO);
+ sh->op_failed = 1;
+ afr_sh_missing_entries_finish (frame, this);
+ return 0;
+}
+int
+afr_sh_conflicting_entry_lookup_cbk (call_frame_t *frame, void *cookie,
+ xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *buf,
+ dict_t *xattr, struct iatt *postparent)
+{
+ int call_count = 0;
+
+ afr_sh_common_lookup_resp_handler (frame, cookie, this, op_ret,
+ op_errno, inode, buf, xattr,
+ postparent);
call_count = afr_frame_return (frame);
- if (call_count == 0) {
- sh_missing_entries_create (frame, this);
- }
+ if (call_count == 0)
+ afr_sh_find_fresh_parents (frame, this);
return 0;
}
+void
+afr_sh_common_reset (afr_self_heal_t *sh, unsigned int child_count)
+{
+ int i = 0;
-static int
-sh_missing_entries_lookup (call_frame_t *frame, xlator_t *this)
+ for (i = 0; i < child_count; i++) {
+ memset (&sh->buf[i], 0, sizeof (sh->buf[i]));
+ memset (&sh->parentbufs[i], 0, sizeof (sh->parentbufs[i]));
+ sh->child_errno[i] = 0;
+ }
+ memset (&sh->parentbuf, 0, sizeof (sh->parentbuf));
+ sh->success_count = 0;
+ afr_reset_children (sh->child_success, child_count);
+ afr_reset_children (sh->fresh_children, child_count);
+ afr_reset_xattr (sh->xattr, child_count);
+}
+
+/* afr self-heal state will be lost if this call is made
+ * please check the afr_sh_common_reset that is called in this function
+ */
+int
+afr_sh_common_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ afr_lookup_cbk_t lookup_cbk, gf_boolean_t set_gfid)
{
afr_local_t *local = NULL;
int i = 0;
int call_count = 0;
afr_private_t *priv = NULL;
dict_t *xattr_req = NULL;
- int ret = -1;
+ afr_self_heal_t *sh = NULL;
local = frame->local;
priv = this->private;
+ sh = &local->self_heal;
call_count = afr_up_children_count (priv->child_count,
local->child_up);
@@ -1445,29 +1724,29 @@ sh_missing_entries_lookup (call_frame_t *frame, xlator_t *this)
xattr_req = dict_new();
if (xattr_req) {
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_uint64 (xattr_req,
- priv->pending_key[i],
- 3 * sizeof(int32_t));
- if (ret < 0)
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to set value for %s",
- local->loc.path, priv->pending_key[i]);
+ afr_xattr_req_prepare (this, xattr_req, loc->path);
+ if (set_gfid) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "looking up %s with gfid: %s",
+ local->loc.path, uuid_utoa (sh->sh_gfid_req));
+ GF_ASSERT (!uuid_is_null (sh->sh_gfid_req));
+ afr_set_dict_gfid (xattr_req, sh->sh_gfid_req);
}
}
+ afr_sh_common_reset (sh, priv->child_count);
for (i = 0; i < priv->child_count; i++) {
if (local->child_up[i]) {
- gf_log (this->name, GF_LOG_TRACE,
+ gf_log (this->name, GF_LOG_DEBUG,
"looking up %s on subvolume %s",
local->loc.path, priv->children[i]->name);
STACK_WIND_COOKIE (frame,
- sh_missing_entries_lookup_cbk,
+ lookup_cbk,
(void *) (long) i,
priv->children[i],
priv->children[i]->fops->lookup,
- &local->loc, xattr_req);
+ loc, xattr_req);
if (!--call_count)
break;
@@ -1483,13 +1762,15 @@ sh_missing_entries_lookup (call_frame_t *frame, xlator_t *this)
int
-afr_sh_post_nonblocking_entrylk_cbk (call_frame_t *frame, xlator_t *this)
+afr_sh_post_nb_entrylk_conflicting_sh_cbk (call_frame_t *frame, xlator_t *this)
{
afr_internal_lock_t *int_lock = NULL;
afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
local = frame->local;
int_lock = &local->internal_lock;
+ sh = &local->self_heal;
if (int_lock->lock_op_ret < 0) {
gf_log (this->name, GF_LOG_INFO,
@@ -1499,14 +1780,41 @@ afr_sh_post_nonblocking_entrylk_cbk (call_frame_t *frame, xlator_t *this)
gf_log (this->name, GF_LOG_DEBUG,
"Non blocking entrylks done. Proceeding to FOP");
- sh_missing_entries_lookup (frame, this);
+ afr_sh_common_lookup (frame, this, &sh->parent_loc,
+ afr_sh_conflicting_entry_lookup_cbk,
+ _gf_false);
}
return 0;
}
-static int
-afr_sh_entrylk (call_frame_t *frame, xlator_t *this)
+int
+afr_sh_post_nb_entrylk_gfid_sh_cbk (call_frame_t *frame, xlator_t *this)
+{
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+ int_lock = &local->internal_lock;
+
+ if (int_lock->lock_op_ret < 0) {
+ gf_log (this->name, GF_LOG_INFO,
+ "Non blocking entrylks failed.");
+ afr_sh_missing_entries_done (frame, this);
+ } else {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Non blocking entrylks done. Proceeding to FOP");
+ afr_sh_common_lookup (frame, this, &local->loc,
+ afr_sh_missing_entries_lookup_cbk,
+ _gf_true);
+ }
+
+ return 0;
+}
+
+int
+afr_sh_entrylk (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ char *base_name, afr_lock_cbk_t lock_cbk)
{
afr_internal_lock_t *int_lock = NULL;
afr_local_t *local = NULL;
@@ -1521,9 +1829,9 @@ afr_sh_entrylk (call_frame_t *frame, xlator_t *this)
afr_set_lock_number (frame, this);
- int_lock->lk_basename = local->loc.name;
- int_lock->lk_loc = &sh->parent_loc;
- int_lock->lock_cbk = afr_sh_post_nonblocking_entrylk_cbk;
+ int_lock->lk_basename = base_name;
+ int_lock->lk_loc = loc;
+ int_lock->lock_cbk = lock_cbk;
afr_nonblocking_entrylk (frame, this);
@@ -1531,7 +1839,8 @@ afr_sh_entrylk (call_frame_t *frame, xlator_t *this)
}
static int
-afr_self_heal_missing_entries (call_frame_t *frame, xlator_t *this)
+afr_self_heal_parent_entrylk (call_frame_t *frame, xlator_t *this,
+ afr_lock_cbk_t lock_cbk)
{
afr_internal_lock_t *int_lock = NULL;
afr_local_t *local = NULL;
@@ -1547,9 +1856,27 @@ afr_self_heal_missing_entries (call_frame_t *frame, xlator_t *this)
"attempting to recreate missing entries for path=%s",
local->loc.path);
+ GF_ASSERT (local->loc.parent);
afr_build_parent_loc (&sh->parent_loc, &local->loc);
- afr_sh_entrylk (frame, this);
+ afr_sh_entrylk (frame, this, &sh->parent_loc, NULL,
+ lock_cbk);
+ return 0;
+}
+
+static int
+afr_self_heal_conflicting_entries (call_frame_t *frame, xlator_t *this)
+{
+ afr_self_heal_parent_entrylk (frame, this,
+ afr_sh_post_nb_entrylk_conflicting_sh_cbk);
+ return 0;
+}
+
+static int
+afr_self_heal_gfids (call_frame_t *frame, xlator_t *this)
+{
+ afr_self_heal_parent_entrylk (frame, this,
+ afr_sh_post_nb_entrylk_gfid_sh_cbk);
return 0;
}
@@ -1572,6 +1899,9 @@ afr_local_t *afr_local_copy (afr_local_t *l, xlator_t *this)
shc = &lc->self_heal;
shc->unwind = sh->unwind;
+ shc->gfid_sh_success_cbk = sh->gfid_sh_success_cbk;
+ shc->need_missing_entry_self_heal = sh->need_missing_entry_self_heal;
+ shc->need_gfid_self_heal = sh->need_gfid_self_heal;
shc->need_data_self_heal = sh->need_data_self_heal;
shc->need_metadata_self_heal = sh->need_metadata_self_heal;
shc->need_entry_self_heal = sh->need_entry_self_heal;
@@ -1585,6 +1915,7 @@ afr_local_t *afr_local_copy (afr_local_t *l, xlator_t *this)
shc->background = sh->background;
shc->type = sh->type;
+ uuid_copy (shc->sh_gfid_req, sh->sh_gfid_req);
if (l->loc.path)
loc_copy (&lc->loc, &l->loc);
@@ -1640,18 +1971,16 @@ afr_self_heal_completion_cbk (call_frame_t *bgsh_frame, xlator_t *this)
afr_local_t * local = NULL;
afr_self_heal_t * sh = NULL;
char sh_type_str[256] = {0,};
+ gf_boolean_t split_brain = _gf_false;
priv = this->private;
local = bgsh_frame->local;
sh = &local->self_heal;
- if (local->govinda_gOvinda) {
- afr_set_split_brain (this, local->cont.lookup.inode,
- _gf_true);
- } else {
- afr_set_split_brain (this, local->cont.lookup.inode,
- _gf_false);
- }
+ if (local->govinda_gOvinda)
+ split_brain = _gf_true;
+
+ afr_set_split_brain (this, sh->inode, split_brain);
afr_self_heal_type_str_get(sh, sh_type_str,
sizeof(sh_type_str));
@@ -1668,7 +1997,7 @@ afr_self_heal_completion_cbk (call_frame_t *bgsh_frame, xlator_t *this)
FRAME_SU_UNDO (bgsh_frame, afr_local_t);
if (!sh->unwound) {
- sh->unwind (sh->orig_frame, this);
+ sh->unwind (sh->orig_frame, this, sh->op_ret, sh->op_errno);
}
if (sh->background) {
@@ -1685,7 +2014,7 @@ afr_self_heal_completion_cbk (call_frame_t *bgsh_frame, xlator_t *this)
}
int
-afr_self_heal (call_frame_t *frame, xlator_t *this)
+afr_self_heal (call_frame_t *frame, xlator_t *this, inode_t *inode)
{
afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
@@ -1730,11 +2059,14 @@ afr_self_heal (call_frame_t *frame, xlator_t *this)
sh = &sh_local->self_heal;
sh->orig_frame = frame;
+ sh->inode = inode_ref (inode);
sh->completion_cbk = afr_self_heal_completion_cbk;
sh->buf = GF_CALLOC (priv->child_count, sizeof (struct iatt),
gf_afr_mt_iatt);
+ sh->parentbufs = GF_CALLOC (priv->child_count, sizeof (struct iatt),
+ gf_afr_mt_iatt);
sh->child_errno = GF_CALLOC (priv->child_count, sizeof (int),
gf_afr_mt_int);
sh->success = GF_CALLOC (priv->child_count, sizeof (int),
@@ -1763,13 +2095,17 @@ afr_self_heal (call_frame_t *frame, xlator_t *this)
priv->child_count,
gf_afr_mt_int32_t);
}
- sh->child_success = GF_CALLOC (sizeof (*sh->child_success),
- priv->child_count, gf_afr_mt_int32_t);
+ sh->child_success = afr_fresh_children_create (priv->child_count);
+ sh->fresh_children = afr_fresh_children_create (priv->child_count);
+ sh->fresh_parent_dirs = afr_fresh_children_create (priv->child_count);
FRAME_SU_DO (sh_frame, afr_local_t);
- if (local->success_count && local->enoent_count) {
- afr_self_heal_missing_entries (sh_frame, this);
+ if (sh->need_missing_entry_self_heal) {
+ afr_self_heal_conflicting_entries (sh_frame, this);
+ } else if (sh->need_gfid_self_heal) {
+ GF_ASSERT (!uuid_is_null (sh->sh_gfid_req));
+ afr_self_heal_gfids (sh_frame, this);
} else {
gf_log (this->name, GF_LOG_TRACE,
"proceeding to metadata check on %s",
@@ -1785,18 +2121,28 @@ void
afr_self_heal_type_str_get (afr_self_heal_t *self_heal_p, char *str,
size_t size)
{
- GF_ASSERT (str && (size > strlen (" meta-data data entry")));
+ GF_ASSERT (str && (size > strlen (" missing-entry gfid "
+ "meta-data data entry")));
if (self_heal_p->need_metadata_self_heal) {
- snprintf(str, size, " meta-data");
+ snprintf (str, size, " meta-data");
}
if (self_heal_p->need_data_self_heal) {
- snprintf(str + strlen(str), size - strlen(str), " data");
+ snprintf (str + strlen(str), size - strlen(str), " data");
}
if (self_heal_p->need_entry_self_heal) {
- snprintf(str + strlen(str), size - strlen(str), " entry");
+ snprintf (str + strlen(str), size - strlen(str), " entry");
+ }
+
+ if (self_heal_p->need_missing_entry_self_heal) {
+ snprintf (str + strlen(str), size - strlen(str),
+ " missing-entry");
+ }
+
+ if (self_heal_p->need_gfid_self_heal) {
+ snprintf (str + strlen(str), size - strlen(str), " gfid");
}
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.h b/xlators/cluster/afr/src/afr-self-heal-common.h
index 676e933ae..043ebea2d 100644
--- a/xlators/cluster/afr/src/afr-self-heal-common.h
+++ b/xlators/cluster/afr/src/afr-self-heal-common.h
@@ -29,6 +29,11 @@ typedef enum {
AFR_SELF_HEAL_INVALID = -1,
} afr_self_heal_type;
+typedef int
+(*afr_lookup_cbk_t) (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xattr,
+ struct iatt *postparent);
int
afr_sh_select_source (int sources[], int child_count);
@@ -71,4 +76,23 @@ afr_self_heal_type_str_get (afr_self_heal_t *self_heal_p, char *str,
afr_self_heal_type
afr_self_heal_type_for_transaction (afr_transaction_type type);
+int
+afr_build_sources (xlator_t *xlator, dict_t **xattr, struct iatt *bufs,
+ int32_t **pending_matrix, int32_t *sources,
+ int32_t *success_children, afr_transaction_type type);
+void
+afr_sh_common_reset (afr_self_heal_t *sh, unsigned int child_count);
+int
+afr_sh_common_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ afr_lookup_cbk_t lookup_cbk, gf_boolean_t set_gfid);
+int
+afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
+ int active_src, struct iatt *buf);
+int
+afr_sh_entrylk (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ char *base_name, afr_lock_cbk_t lock_cbk);
+int
+afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this,
+ int child_index, struct iatt *buf,
+ struct iatt *postparent);
#endif /* __AFR_SELF_HEAL_COMMON_H__ */
diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c
index 38799db70..6ce710669 100644
--- a/xlators/cluster/afr/src/afr-self-heal-data.c
+++ b/xlators/cluster/afr/src/afr-self-heal-data.c
@@ -282,7 +282,7 @@ afr_sh_data_finish (call_frame_t *frame, xlator_t *this)
local = frame->local;
sh = &local->self_heal;
- gf_log (this->name, GF_LOG_TRACE,
+ gf_log (this->name, GF_LOG_DEBUG,
"finishing data selfheal of %s", local->loc.path);
if (!sh->data_lock_held)
@@ -605,7 +605,7 @@ afr_sh_data_fix (call_frame_t *frame, xlator_t *this)
sh->child_success, this->name);
if (nsources == 0) {
- gf_log (this->name, GF_LOG_TRACE,
+ gf_log (this->name, GF_LOG_DEBUG,
"No self-heal needed for %s",
local->loc.path);
@@ -682,7 +682,7 @@ afr_sh_data_fix (call_frame_t *frame, xlator_t *this)
orig_local->cont.lookup.xattr = dict_ref (orig_local->cont.lookup.xattrs[sh->source]);
if (sh->background) {
- sh->unwind (sh->orig_frame, this);
+ sh->unwind (sh->orig_frame, this, sh->op_ret, sh->op_errno);
sh->unwound = _gf_true;
}
@@ -793,7 +793,6 @@ afr_lookup_select_read_child_by_txn_type (xlator_t *this, afr_local_t *local,
afr_private_t *priv = NULL;
int read_child = -1;
int ret = -1;
- afr_self_heal_type sh_type = AFR_SELF_HEAL_INVALID;
int32_t **pending_matrix = NULL;
int32_t *sources = NULL;
int32_t *valid_children = NULL;
@@ -802,6 +801,7 @@ afr_lookup_select_read_child_by_txn_type (xlator_t *this, afr_local_t *local,
int32_t prev_read_child = -1;
int32_t config_read_child = -1;
afr_self_heal_t *sh = NULL;
+ afr_self_heal_type sh_type = AFR_SELF_HEAL_INVALID;
priv = this->private;
bufs = local->cont.lookup.bufs;
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index 8c619ff45..3977ae101 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -50,9 +50,6 @@
#include "afr-self-heal-common.h"
int
-afr_sh_post_nonblocking_entrylk_cbk (call_frame_t *frame, xlator_t *this);
-
-int
afr_sh_entry_done (call_frame_t *frame, xlator_t *this)
{
afr_local_t *local = NULL;
@@ -362,7 +359,8 @@ afr_sh_entry_expunge_subvol (call_frame_t *frame, xlator_t *this,
int
afr_sh_entry_expunge_entry_done (call_frame_t *frame, xlator_t *this,
- int active_src)
+ int active_src, int32_t op_ret,
+ int32_t op_errno)
{
int call_count = 0;
@@ -385,21 +383,25 @@ afr_sh_entry_expunge_parent_setattr_cbk (call_frame_t *expunge_frame,
afr_self_heal_t *expunge_sh = NULL;
call_frame_t *frame = NULL;
int active_src = (long) cookie;
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
expunge_sh = &expunge_local->self_heal;
frame = expunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
if (op_ret != 0) {
- gf_log (this->name, GF_LOG_INFO,
+ gf_log (this->name, GF_LOG_ERROR,
"setattr on parent directory of %s on subvolume %s failed: %s",
expunge_local->loc.path,
priv->children[active_src]->name, strerror (op_errno));
}
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -510,15 +512,17 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
afr_private_t *priv = NULL;
afr_local_t *expunge_local = NULL;
afr_self_heal_t *expunge_sh = NULL;
- int source = 0;
call_frame_t *frame = NULL;
int type = 0;
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
expunge_sh = &expunge_local->self_heal;
frame = expunge_sh->sh_frame;
- source = expunge_sh->source;
+ local = frame->local;
+ sh = &local->self_heal;
type = buf->ia_type;
@@ -538,7 +542,7 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
gf_log (this->name, GF_LOG_ERROR,
"%s has unknown file type on %s: 0%o",
expunge_local->loc.path,
- priv->children[source]->name, type);
+ priv->children[active_src]->name, type);
goto out;
break;
}
@@ -546,7 +550,7 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
return 0;
out:
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, -1, EINVAL);
return 0;
}
@@ -564,15 +568,19 @@ afr_sh_entry_expunge_lookup_cbk (call_frame_t *expunge_frame, void *cookie,
afr_self_heal_t *expunge_sh = NULL;
call_frame_t *frame = NULL;
int active_src = 0;
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
expunge_sh = &expunge_local->self_heal;
frame = expunge_sh->sh_frame;
active_src = (long) cookie;
+ local = frame->local;
+ sh = &local->self_heal;
if (op_ret == -1) {
- gf_log (this->name, GF_LOG_DEBUG,
+ gf_log (this->name, GF_LOG_ERROR,
"lookup of %s on %s failed (%s)",
expunge_local->loc.path,
priv->children[active_src]->name,
@@ -585,7 +593,7 @@ afr_sh_entry_expunge_lookup_cbk (call_frame_t *expunge_frame, void *cookie,
return 0;
out:
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -628,7 +636,8 @@ afr_sh_entry_expunge_entry_cbk (call_frame_t *expunge_frame, void *cookie,
call_frame_t *frame = NULL;
int active_src = 0;
int need_expunge = 0;
-
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
@@ -636,6 +645,8 @@ afr_sh_entry_expunge_entry_cbk (call_frame_t *expunge_frame, void *cookie,
frame = expunge_sh->sh_frame;
active_src = expunge_sh->active_source;
source = (long) cookie;
+ local = frame->local;
+ sh = &local->self_heal;
if (op_ret == -1 && op_errno == ENOENT)
need_expunge = 1;
@@ -685,7 +696,7 @@ out:
}
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -706,6 +717,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
int source = 0;
int op_errno = 0;
char *name = NULL;
+ int op_ret = -1;
priv = this->private;
local = frame->local;
@@ -713,6 +725,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
active_src = sh->active_source;
source = sh->source;
+ sh->expunge_done = afr_sh_entry_expunge_entry_done;
name = entry->d_name;
@@ -724,6 +737,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
gf_log (this->name, GF_LOG_TRACE,
"skipping inspection of %s under %s",
name, local->loc.path);
+ op_ret = 0;
goto out;
}
@@ -733,6 +747,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
expunge_frame = copy_frame (frame);
if (!expunge_frame) {
+ op_errno = ENOMEM;
goto out;
}
@@ -746,6 +761,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
ret = build_child_loc (this, &expunge_local->loc, &local->loc, name);
if (ret != 0) {
+ op_errno = EINVAL;
goto out;
}
@@ -763,7 +779,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
ret = 0;
out:
if (ret == -1)
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -896,7 +912,8 @@ out:
int
afr_sh_entry_impunge_entry_done (call_frame_t *frame, xlator_t *this,
- int active_src)
+ int active_src, int32_t op_ret,
+ int32_t op_errno)
{
int call_count = 0;
@@ -924,6 +941,7 @@ afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
call_frame_t *frame = NULL;
int active_src = 0;
int child_index = 0;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
@@ -931,7 +949,7 @@ afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
frame = impunge_sh->sh_frame;
local = frame->local;
sh = &local->self_heal;
- active_src = sh->active_source;
+ active_src = impunge_sh->active_source;
child_index = (long) cookie;
if (op_ret == 0) {
@@ -954,8 +972,10 @@ afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -972,9 +992,8 @@ afr_sh_entry_impunge_xattrop_cbk (call_frame_t *impunge_frame, void *cookie,
afr_local_t *impunge_local = NULL;
afr_self_heal_t *impunge_sh = NULL;
int child_index = 0;
-
- struct iatt stbuf;
- int32_t valid = 0;
+ struct iatt stbuf = {0};
+ int32_t valid = 0;
priv = this->private;
impunge_local = impunge_frame->local;
@@ -1066,6 +1085,7 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
int32_t valid = 0;
loc_t *parent_loc = NULL;
struct iatt parentbuf = {0,};
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
@@ -1073,7 +1093,7 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
frame = impunge_sh->sh_frame;
local = frame->local;
sh = &local->self_heal;
- active_src = sh->active_source;
+ active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1115,6 +1135,7 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
pending_array, 3 * sizeof (int32_t));
if (ret < 0) {
GF_FREE (pending_array);
+ pending_array = NULL;
gf_log (this->name, GF_LOG_WARNING,
"Unable to set dict value.");
}
@@ -1162,8 +1183,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, -1,
+ op_errno);
}
return 0;
@@ -1262,14 +1285,23 @@ int
afr_sh_entry_impunge_symlink (call_frame_t *impunge_frame, xlator_t *this,
int child_index, const char *linkname)
{
- afr_private_t *priv = NULL;
- afr_local_t *impunge_local = NULL;
- dict_t *dict = NULL;
- struct iatt *buf = NULL;
- int ret = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *impunge_local = NULL;
+ dict_t *dict = NULL;
+ struct iatt *buf = NULL;
+ int ret = 0;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_self_heal_t *impunge_sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
+ impunge_sh = &impunge_local->self_heal;
+ frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
buf = &impunge_local->cont.symlink.buf;
@@ -1277,7 +1309,11 @@ afr_sh_entry_impunge_symlink (call_frame_t *impunge_frame, xlator_t *this,
if (!dict) {
gf_log (this->name, GF_LOG_ERROR,
"Out of memory");
- afr_sh_entry_impunge_entry_done (impunge_frame, this, 0);
+ impunge_ret_child = impunge_sh->impunge_ret_child;
+ AFR_STACK_DESTROY (impunge_frame);
+ sh->impunge_done (impunge_frame, this, impunge_ret_child, -1,
+ ENOMEM);
+ goto out;
}
ret = afr_set_dict_gfid (dict, buf->ia_gfid);
@@ -1299,7 +1335,7 @@ afr_sh_entry_impunge_symlink (call_frame_t *impunge_frame, xlator_t *this,
if (dict)
dict_unref (dict);
-
+out:
return 0;
}
@@ -1318,11 +1354,16 @@ afr_sh_entry_impunge_symlink_unlink_cbk (call_frame_t *impunge_frame,
call_frame_t *frame = NULL;
int call_count = -1;
int active_src = -1;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1348,8 +1389,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1394,11 +1437,16 @@ afr_sh_entry_impunge_readlink_sink_cbk (call_frame_t *impunge_frame, void *cooki
call_frame_t *frame = NULL;
int call_count = -1;
int active_src = -1;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1444,8 +1492,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1489,11 +1539,16 @@ afr_sh_entry_impunge_readlink_cbk (call_frame_t *impunge_frame, void *cookie,
call_frame_t *frame = NULL;
int call_count = -1;
int active_src = -1;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1520,8 +1575,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1552,44 +1609,22 @@ afr_sh_entry_impunge_readlink (call_frame_t *impunge_frame, xlator_t *this,
return 0;
}
-
int
-afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
- void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *buf,
- dict_t *xattr,struct iatt *postparent)
+afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this,
+ int child_index, struct iatt *buf,
+ struct iatt *postparent)
{
- afr_private_t *priv = NULL;
afr_local_t *impunge_local = NULL;
afr_self_heal_t *impunge_sh = NULL;
- int active_src = 0;
- int type = 0;
- int child_index = 0;
- call_frame_t *frame = NULL;
- int call_count = 0;
+ afr_private_t *priv = NULL;
+ ia_type_t type = IA_INVAL;
+ int ret = 0;
+ int active_src = 0;
- priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
- frame = impunge_sh->sh_frame;
-
- child_index = (long) cookie;
-
- active_src = impunge_sh->active_source;
-
- if (op_ret != 0) {
- gf_log (this->name, GF_LOG_DEBUG,
- "looking up %s on %s (for %s) failed (%s)",
- impunge_local->loc.path,
- priv->children[active_src]->name,
- priv->children[child_index]->name,
- strerror (op_errno));
- goto out;
- }
-
impunge_sh->parentbuf = *postparent;
-
+ active_src = impunge_sh->active_source;
impunge_local->cont.lookup.buf = *buf;
afr_update_loc_gfids (&impunge_local->loc, buf, postparent);
@@ -1617,10 +1652,58 @@ afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
"%s has unknown file type on %s: 0%o",
impunge_local->loc.path,
priv->children[active_src]->name, type);
- goto out;
+ ret = -1;
break;
}
+ return ret;
+}
+
+int
+afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
+ void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *buf,
+ dict_t *xattr,struct iatt *postparent)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *impunge_local = NULL;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *impunge_sh = NULL;
+ afr_self_heal_t *sh = NULL;
+ int active_src = 0;
+ int child_index = 0;
+ call_frame_t *frame = NULL;
+ int call_count = 0;
+ int ret = 0;
+ int32_t impunge_ret_child = 0;
+
+ priv = this->private;
+ impunge_local = impunge_frame->local;
+ impunge_sh = &impunge_local->self_heal;
+ frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
+
+ child_index = (long) cookie;
+
+ active_src = impunge_sh->active_source;
+
+ if (op_ret != 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "looking up %s on %s (for %s) failed (%s)",
+ impunge_local->loc.path,
+ priv->children[active_src]->name,
+ priv->children[child_index]->name,
+ strerror (op_errno));
+ goto out;
+ }
+
+ ret = afr_sh_entry_impunge_create (impunge_frame, this, child_index, buf,
+ postparent);
+ if (ret)
+ goto out;
+
return 0;
out:
@@ -1631,8 +1714,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1680,11 +1765,16 @@ afr_sh_entry_impunge_entry_cbk (call_frame_t *impunge_frame, void *cookie,
int child_index = 0;
call_frame_t *frame = NULL;
int active_src = 0;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
child_index = (long) cookie;
active_src = impunge_sh->active_source;
@@ -1730,8 +1820,10 @@ afr_sh_entry_impunge_entry_cbk (call_frame_t *impunge_frame, void *cookie,
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1753,12 +1845,14 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
int i = 0;
int call_count = 0;
int op_errno = 0;
+ int op_ret = -1;
priv = this->private;
local = frame->local;
sh = &local->self_heal;
active_src = sh->active_source;
+ sh->impunge_done = afr_sh_entry_impunge_entry_done;
if ((strcmp (entry->d_name, ".") == 0)
|| (strcmp (entry->d_name, "..") == 0)
@@ -1768,6 +1862,7 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
gf_log (this->name, GF_LOG_TRACE,
"skipping inspection of %s under %s",
entry->d_name, local->loc.path);
+ op_ret = 0;
goto out;
}
@@ -1779,6 +1874,7 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
if (!impunge_frame) {
gf_log (this->name, GF_LOG_ERROR,
"Out of memory.");
+ op_errno = ENOMEM;
goto out;
}
@@ -1788,12 +1884,14 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
impunge_sh = &impunge_local->self_heal;
impunge_sh->sh_frame = frame;
impunge_sh->active_source = active_src;
+ impunge_sh->impunge_ret_child = active_src;
impunge_sh->impunging_entry_mode =
st_mode_from_ia (entry->d_stat.ia_prot, entry->d_stat.ia_type);
ret = build_child_loc (this, &impunge_local->loc, &local->loc, entry->d_name);
if (ret != 0) {
+ op_errno = ENOMEM;
goto out;
}
@@ -1835,7 +1933,7 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
ret = 0;
out:
if (ret == -1)
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -2225,63 +2323,6 @@ afr_sh_entry_lookup_cbk (call_frame_t *frame, void *cookie,
return 0;
}
-
-
-int
-afr_sh_entry_lookup (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t * local = NULL;
- afr_private_t * priv = NULL;
- dict_t *xattr_req = NULL;
- int ret = 0;
- int call_count = 0;
- int i = 0;
- afr_self_heal_t *sh = NULL;
-
- priv = this->private;
- local = frame->local;
- sh = &local->self_heal;
-
- call_count = afr_up_children_count (priv->child_count,
- local->child_up);
-
- local->call_count = call_count;
-
- xattr_req = dict_new();
- if (xattr_req) {
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_uint64 (xattr_req,
- priv->pending_key[i],
- 3 * sizeof(int32_t));
- if (ret < 0)
- gf_log (this->name, GF_LOG_WARNING,
- "%s: Unable to set dict value.",
- local->loc.path);
- }
- }
-
- for (i = 0; i < priv->child_count; i++)
- sh->child_success[i] = -1;
- sh->success_count = 0;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame,
- afr_sh_entry_lookup_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->lookup,
- &local->loc, xattr_req);
- if (!--call_count)
- break;
- }
- }
-
- if (xattr_req)
- dict_unref (xattr_req);
-
- return 0;
-}
-
int
afr_sh_post_nonblocking_entry_cbk (call_frame_t *frame, xlator_t *this)
{
@@ -2302,38 +2343,14 @@ afr_sh_post_nonblocking_entry_cbk (call_frame_t *frame, xlator_t *this)
gf_log (this->name, GF_LOG_DEBUG, "Non Blocking entrylks done "
"for %s. Proceeding to FOP", local->loc.path);
- afr_sh_entry_lookup(frame, this);
+ afr_sh_common_lookup (frame, this, &local->loc,
+ afr_sh_entry_lookup_cbk, _gf_false);
}
return 0;
}
int
-afr_sh_entry_lock (call_frame_t *frame, xlator_t *this)
-{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
- int_lock = &local->internal_lock;
-
- int_lock->transaction_lk_type = AFR_SELFHEAL_LK;
- int_lock->selfheal_lk_type = AFR_ENTRY_SELF_HEAL_LK;
-
- afr_set_lock_number (frame, this);
-
- int_lock->lk_basename = NULL;
- int_lock->lk_loc = &local->loc;
- int_lock->lock_cbk = afr_sh_post_nonblocking_entry_cbk;
-
- afr_nonblocking_entrylk (frame, this);
-
-
- return 0;
-}
-
-
-int
afr_self_heal_entry (call_frame_t *frame, xlator_t *this)
{
afr_local_t *local = NULL;
@@ -2344,7 +2361,8 @@ afr_self_heal_entry (call_frame_t *frame, xlator_t *this)
local = frame->local;
if (local->self_heal.need_entry_self_heal && priv->entry_self_heal) {
- afr_sh_entry_lock (frame, this);
+ afr_sh_entrylk (frame, this, &local->loc, NULL,
+ afr_sh_post_nonblocking_entry_cbk);
} else {
gf_log (this->name, GF_LOG_TRACE,
"proceeding to completion on %s",
diff --git a/xlators/cluster/afr/src/afr-self-heal-metadata.c b/xlators/cluster/afr/src/afr-self-heal-metadata.c
index 1214eefe2..03b91dae3 100644
--- a/xlators/cluster/afr/src/afr-self-heal-metadata.c
+++ b/xlators/cluster/afr/src/afr-self-heal-metadata.c
@@ -604,64 +604,6 @@ afr_sh_metadata_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
return 0;
}
-
-int
-afr_sh_metadata_lookup (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int call_count = 0;
- dict_t *xattr_req = NULL;
- int ret = 0;
- afr_self_heal_t *sh = NULL;
-
- local = frame->local;
- priv = this->private;
- sh = &local->self_heal;
-
- call_count = afr_up_children_count (priv->child_count,
- local->child_up);
- local->call_count = call_count;
-
- xattr_req = dict_new();
-
- if (xattr_req) {
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_uint64 (xattr_req,
- priv->pending_key[i],
- 3 * sizeof(int32_t));
- if (ret < 0)
- gf_log (this->name, GF_LOG_WARNING,
- "Unable to set dict value.");
- }
- }
-
- for (i = 0; i < priv->child_count; i++)
- sh->child_success[i] = -1;
- sh->success_count = 0;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- gf_log (this->name, GF_LOG_TRACE,
- "looking up %s on %s",
- local->loc.path, priv->children[i]->name);
-
- STACK_WIND_COOKIE (frame, afr_sh_metadata_lookup_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->lookup,
- &local->loc, xattr_req);
- if (!--call_count)
- break;
- }
- }
-
- if (xattr_req)
- dict_unref (xattr_req);
-
- return 0;
-}
-
int
afr_sh_metadata_post_nonblocking_inodelk_cbk (call_frame_t *frame,
xlator_t *this)
@@ -683,7 +625,8 @@ afr_sh_metadata_post_nonblocking_inodelk_cbk (call_frame_t *frame,
gf_log (this->name, GF_LOG_DEBUG, "Non Blocking metadata "
"inodelks done for %s. Proceeding to FOP",
local->loc.path);
- afr_sh_metadata_lookup (frame, this);
+ afr_sh_common_lookup (frame, this, &local->loc,
+ afr_sh_metadata_lookup_cbk, _gf_false);
}
return 0;
diff --git a/xlators/cluster/afr/src/afr-self-heal.h b/xlators/cluster/afr/src/afr-self-heal.h
index 00e9a1b1e..5b211499a 100644
--- a/xlators/cluster/afr/src/afr-self-heal.h
+++ b/xlators/cluster/afr/src/afr-self-heal.h
@@ -50,7 +50,7 @@ afr_self_heal_find_sources (xlator_t *this, afr_local_t *local, dict_t **xattr,
afr_transaction_type transaction_type);
int
-afr_self_heal (call_frame_t *frame, xlator_t *this);
+afr_self_heal (call_frame_t *frame, xlator_t *this, inode_t *inode);
gf_boolean_t
afr_is_fresh_read_child (int32_t *sources, int32_t child_count,
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 8f7f54faf..bc85fd71d 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -37,6 +37,17 @@
struct _pump_private;
+typedef int (*afr_expunge_done_cbk_t) (call_frame_t *frame, xlator_t *this,
+ int child, int32_t op_error,
+ int32_t op_errno);
+
+typedef int (*afr_impunge_done_cbk_t) (call_frame_t *frame, xlator_t *this,
+ int child, int32_t op_error,
+ int32_t op_errno);
+typedef int (*afr_post_remove_call_t) (call_frame_t *frame, xlator_t *this);
+
+typedef int (*afr_lock_cbk_t) (call_frame_t *frame, xlator_t *this);
+
typedef struct _afr_private {
gf_lock_t lock; /* to guard access to child_count, etc */
unsigned int child_count; /* total number of children */
@@ -101,9 +112,12 @@ typedef struct {
/* External interface: These are variables (some optional) that
are set by whoever has triggered self-heal */
+ inode_t *inode;
gf_boolean_t need_data_self_heal;
gf_boolean_t need_metadata_self_heal;
gf_boolean_t need_entry_self_heal;
+ gf_boolean_t need_gfid_self_heal;
+ gf_boolean_t need_missing_entry_self_heal;
gf_boolean_t forced_merge; /* Is this a self-heal triggered to
forcibly merge the directories? */
@@ -121,20 +135,28 @@ typedef struct {
ia_type_t type; /* st_mode of the entry we're doing
self-heal on */
+ uuid_t sh_gfid_req; /* gfid self-heal needs to be done
+ with this gfid if it is not null */
/* Function to call to unwind. If self-heal is being done in the
background, this function will be called as soon as possible. */
- int (*unwind) (call_frame_t *frame, xlator_t *this);
+ int (*unwind) (call_frame_t *frame, xlator_t *this, int32_t op_ret,
+ int32_t op_errno);
/* End of external interface members */
/* array of stat's, one for each child */
struct iatt *buf;
+ struct iatt *parentbufs;
struct iatt parentbuf;
struct iatt entrybuf;
+ afr_expunge_done_cbk_t expunge_done;
+ afr_impunge_done_cbk_t impunge_done;
+ int32_t impunge_ret_child;
+
/* array of xattr's, one for each child */
dict_t **xattr;
@@ -142,12 +164,19 @@ typedef struct {
*/
int32_t *child_success;
int success_count;
+ /* array containing the fresh children found in the self-heal process */
+ int32_t *fresh_children;
+ /* array containing the fresh children found in the parent lookup */
+ int32_t *fresh_parent_dirs;
/* array of errno's, one for each child */
int *child_errno;
int32_t **pending_matrix;
int32_t **delta_matrix;
+ int32_t op_ret;
+ int32_t op_errno;
+
int *sources;
int source;
int active_source;
@@ -165,6 +194,7 @@ typedef struct {
blksize_t block_size;
off_t file_size;
off_t offset;
+ afr_post_remove_call_t post_remove_call;
loc_t parent_loc;
@@ -179,6 +209,7 @@ typedef struct {
int (*completion_cbk) (call_frame_t *frame, xlator_t *this);
int (*algo_completion_cbk) (call_frame_t *frame, xlator_t *this);
int (*algo_abort_cbk) (call_frame_t *frame, xlator_t *this);
+ void (*gfid_sh_success_cbk) (call_frame_t *sh_frame, xlator_t *this);
call_frame_t *sh_frame;
} afr_self_heal_t;
@@ -343,6 +374,7 @@ typedef struct _afr_local {
} statfs;
struct {
+ uuid_t gfid_req;
inode_t *inode;
struct iatt buf;
struct iatt postparent;
@@ -958,4 +990,47 @@ int32_t
afr_marker_getxattr (call_frame_t *frame, xlator_t *this,
loc_t *loc, const char *name,afr_local_t *local, afr_private_t *priv );
+void
+afr_get_fresh_children (int32_t *success_children, int32_t *sources,
+ int32_t *fresh_children, unsigned int child_count);
+void
+afr_fresh_children_add_child (int32_t *fresh_children, int32_t child,
+ int32_t child_count);
+void
+afr_reset_children (int32_t *fresh_children, int32_t child_count);
+gf_boolean_t
+afr_error_more_important (int32_t old_errno, int32_t new_errno);
+int
+afr_errno_count (int32_t *children, int *child_errno,
+ unsigned int child_count, int32_t op_errno);
+int
+afr_get_children_count (int32_t *fresh_children, unsigned int child_count);
+gf_boolean_t
+afr_is_child_present (int32_t *success_children, int32_t child_count,
+ int32_t child);
+void
+afr_update_gfid_from_iatts (uuid_t uuid, struct iatt *bufs,
+ int32_t *success_children,
+ unsigned int child_count);
+void
+afr_reset_xattr (dict_t **xattr, unsigned int child_count);
+gf_boolean_t
+afr_conflicting_iattrs (struct iatt *bufs, int32_t *success_children,
+ unsigned int child_count, const char *path,
+ const char *xlator_name);
+int
+afr_gfid_missing_count (const char *xlator_name, int32_t *children,
+ struct iatt *bufs, unsigned int child_count,
+ const char *path);
+void
+afr_xattr_req_prepare (xlator_t *this, dict_t *xattr_req, const char *path);
+void
+afr_children_copy (int32_t *dst, int32_t *src, unsigned int child_count);
+afr_transaction_type
+afr_transaction_type_get (ia_type_t ia_type);
+int32_t
+afr_resultant_errno_get (int32_t *children,
+ int *child_errno, unsigned int child_count);
+int32_t*
+afr_fresh_children_create (int32_t child_count);
#endif /* __AFR_H__ */