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-rw-r--r--xlators/cluster/dht/src/dht-common.c132
-rw-r--r--xlators/cluster/dht/src/dht-common.h20
-rw-r--r--xlators/cluster/dht/src/dht-helper.c4
-rw-r--r--xlators/cluster/dht/src/dht-rename.c40
-rw-r--r--xlators/cluster/dht/src/dht-shared.c3
-rw-r--r--xlators/cluster/dht/src/dht.c58
-rw-r--r--xlators/cluster/dht/src/dht.sym1
7 files changed, 231 insertions, 27 deletions
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index f43a10bec2f..4ca54a1f5c0 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -11030,3 +11030,135 @@ dht_remove_stale_linkto_cbk(int ret, call_frame_t *sync_frame, void *data)
DHT_STACK_DESTROY(sync_frame);
return 0;
}
+
+int
+dht_pt_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+
+ local = frame->local;
+
+ if (!op_ret) {
+ dht_layout_set(this, inode, local->layout);
+ }
+
+ DHT_STACK_UNWIND(mkdir, frame, op_ret, op_errno, inode, stbuf, preparent,
+ postparent, NULL);
+
+ return 0;
+}
+
+int32_t
+dht_pt_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata)
+{
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ bool free_xdata = false;
+ int ret = 0;
+ int op_errno = 0;
+ int32_t *disk_layout_p = NULL;
+
+ conf = this->private;
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_MKDIR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ layout = dht_layout_new(this, conf->subvolume_cnt);
+ if (!layout)
+ goto wind;
+
+ local->layout = layout;
+
+ if (!xdata) {
+ xdata = dict_new();
+ if (!xdata)
+ goto wind;
+ free_xdata = true;
+ }
+
+ /*Set the xlator or the following will crash*/
+ layout->list[0].xlator = conf->subvolumes[0];
+
+ dht_selfheal_layout_new_directory(frame, loc, layout);
+
+ dht_disk_layout_extract(this, layout, 0, &disk_layout_p);
+
+ ret = dict_set_bin(xdata, conf->xattr_name, disk_layout_p, 4 * 4);
+ if (ret) {
+ gf_msg("dht", GF_LOG_DEBUG, EINVAL, DHT_MSG_DICT_SET_FAILED,
+ "dht layout dict set failed");
+ }
+wind:
+ STACK_WIND(frame, dht_pt_mkdir_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mkdir, loc, mode, umask, xdata);
+ if (free_xdata)
+ dict_unref(xdata);
+ return 0;
+
+err:
+ op_errno = local ? local->op_errno : op_errno;
+ DHT_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
+
+ return 0;
+}
+
+static int
+dht_pt_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+{
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+ dict_del(xattr, conf->xattr_name);
+
+ if (frame->root->pid >= 0) {
+ GF_REMOVE_INTERNAL_XATTR("trusted.glusterfs.quota*", xattr);
+ GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
+ }
+
+ DHT_STACK_UNWIND(getxattr, frame, op_ret, op_errno, xattr, xdata);
+ return 0;
+}
+
+int
+dht_pt_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key, dict_t *xdata)
+{
+ STACK_WIND(frame, dht_pt_getxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr, loc, key, xdata);
+ return 0;
+}
+
+static int
+dht_pt_fgetxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+{
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+ dict_del(xattr, conf->xattr_name);
+
+ if (frame->root->pid >= 0) {
+ GF_REMOVE_INTERNAL_XATTR("trusted.glusterfs.quota*", xattr);
+ GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
+ }
+
+ DHT_STACK_UNWIND(fgetxattr, frame, op_ret, op_errno, xattr, xdata);
+ return 0;
+}
+
+int
+dht_pt_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
+ dict_t *xdata)
+{
+ STACK_WIND(frame, dht_pt_fgetxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fgetxattr, fd, key, xdata);
+ return 0;
+}
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index bd30fd84b88..cc1e1f02912 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -1502,4 +1502,24 @@ dht_read_iatt_from_xdata(xlator_t *this, dict_t *xdata, struct iatt *stbuf);
int
is_permission_different(ia_prot_t *prot1, ia_prot_t *prot2);
+void
+dht_selfheal_layout_new_directory(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *new_layout);
+
+int
+dht_pt_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
+ dict_t *xdata);
+
+int
+dht_pt_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key, dict_t *xdata);
+
+int32_t
+dht_pt_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata);
+
+int
+dht_pt_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata);
+
#endif /* _DHT_H */
diff --git a/xlators/cluster/dht/src/dht-helper.c b/xlators/cluster/dht/src/dht-helper.c
index 6d6ec24729d..e463aad3a0c 100644
--- a/xlators/cluster/dht/src/dht-helper.c
+++ b/xlators/cluster/dht/src/dht-helper.c
@@ -1162,6 +1162,10 @@ dht_init_subvolumes(xlator_t *this, dht_conf_t *conf)
return -1;
}
conf->subvolume_cnt = cnt;
+ /* Doesn't make sense to do any dht layer tasks
+ if the subvol count is 1. Set it as pass_through */
+ if (cnt == 1)
+ this->pass_through = _gf_true;
conf->local_subvols_cnt = 0;
diff --git a/xlators/cluster/dht/src/dht-rename.c b/xlators/cluster/dht/src/dht-rename.c
index 45808a2bfa6..57a1a9f8b0c 100644
--- a/xlators/cluster/dht/src/dht-rename.c
+++ b/xlators/cluster/dht/src/dht-rename.c
@@ -1828,33 +1828,14 @@ dht_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
int op_errno = -1;
int ret = -1;
dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
char gfid[GF_UUID_BUF_SIZE] = {0};
char newgfid[GF_UUID_BUF_SIZE] = {0};
- gf_boolean_t free_xdata = _gf_false;
VALIDATE_OR_GOTO(frame, err);
VALIDATE_OR_GOTO(this, err);
VALIDATE_OR_GOTO(oldloc, err);
VALIDATE_OR_GOTO(newloc, err);
- conf = this->private;
-
- if (conf->subvolume_cnt == 1) {
- if (!IA_ISDIR(oldloc->inode->ia_type)) {
- if (!xdata) {
- free_xdata = _gf_true;
- }
- DHT_CHANGELOG_TRACK_AS_RENAME(xdata, oldloc, newloc);
- }
- default_rename(frame, this, oldloc, newloc, xdata);
- if (free_xdata && xdata) {
- dict_unref(xdata);
- xdata = NULL;
- }
- return 0;
- }
-
gf_uuid_unparse(oldloc->inode->gfid, gfid);
src_hashed = dht_subvol_get_hashed(this, oldloc);
@@ -1941,3 +1922,24 @@ err:
return 0;
}
+
+int
+dht_pt_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
+{
+ gf_boolean_t free_xdata = _gf_false;
+
+ /* Just a pass through */
+ if (!IA_ISDIR(oldloc->inode->ia_type)) {
+ if (!xdata) {
+ free_xdata = _gf_true;
+ }
+ DHT_CHANGELOG_TRACK_AS_RENAME(xdata, oldloc, newloc);
+ }
+ default_rename(frame, this, oldloc, newloc, xdata);
+ if (free_xdata && xdata) {
+ dict_unref(xdata);
+ xdata = NULL;
+ }
+ return 0;
+}
diff --git a/xlators/cluster/dht/src/dht-shared.c b/xlators/cluster/dht/src/dht-shared.c
index 5fd97130d22..afb5880b459 100644
--- a/xlators/cluster/dht/src/dht-shared.c
+++ b/xlators/cluster/dht/src/dht-shared.c
@@ -41,7 +41,8 @@
- handle all cases in self heal layout reconstruction
- complete linkfile selfheal
*/
-struct volume_options options[];
+/* FIXME: Not sure why someone defined this here */
+/* struct volume_options options[]; */
extern dht_methods_t dht_methods;
diff --git a/xlators/cluster/dht/src/dht.c b/xlators/cluster/dht/src/dht.c
index 677905f236e..6dfaa3b23ed 100644
--- a/xlators/cluster/dht/src/dht.c
+++ b/xlators/cluster/dht/src/dht.c
@@ -11,10 +11,32 @@
#include "statedump.h"
#include "dht-common.h"
-class_methods_t class_methods = {.init = dht_init,
- .fini = dht_fini,
- .reconfigure = dht_reconfigure,
- .notify = dht_notify};
+struct xlator_fops dht_pt_fops = {
+ /* we need to keep mkdir to make sure we
+ have layout on new directory */
+ .mkdir = dht_pt_mkdir,
+ .getxattr = dht_pt_getxattr,
+ .fgetxattr = dht_pt_fgetxattr,
+
+ /* required to trace fop properly in changelog */
+ .rename = dht_pt_rename,
+
+ /* FIXME: commenting the '.lookup()' below made some of
+ the failing tests to pass. I would remove the below
+ line, but keeping it here as a reminder for people
+ to check for issues if they find concerns with DHT
+ pass-through logic */
+ /*
+ .lookup = dht_lookup,
+ .readdir = dht_readdir,
+ .readdirp = dht_readdirp,
+ */
+ /* Keeping above as commented, mainly to support the
+ usecase of a gluster volume getting to 1x(anytype),
+ due to remove-brick (shrinking) exercise. In that case,
+ we would need above fops to be available, so we can
+ handle the case of dangling linkto files (if any) */
+};
struct xlator_fops fops = {
.ipc = dht_ipc,
@@ -74,6 +96,28 @@ struct xlator_dumpops dumpops = {
.inodectx = dht_inodectx_dump,
};
-struct xlator_cbks cbks = {.release = dht_release,
- // .releasedir = dht_releasedir,
- .forget = dht_forget};
+struct xlator_cbks cbks = {
+ .release = dht_release,
+ // .releasedir = dht_releasedir,
+ .forget = dht_forget,
+};
+
+extern int32_t
+mem_acct_init(xlator_t *this);
+extern struct volume_options options[];
+
+xlator_api_t xlator_api = {
+ .init = dht_init,
+ .fini = dht_fini,
+ .notify = dht_notify,
+ .reconfigure = dht_reconfigure,
+ .mem_acct_init = mem_acct_init,
+ .op_version = {1}, /* Present from the initial version */
+ .dumpops = &dumpops,
+ .fops = &fops,
+ .cbks = &cbks,
+ .options = options,
+ .identifier = "distribute",
+ .pass_through_fops = &dht_pt_fops,
+ .category = GF_MAINTAINED,
+};
diff --git a/xlators/cluster/dht/src/dht.sym b/xlators/cluster/dht/src/dht.sym
index 780b5fc0387..24241a91baf 100644
--- a/xlators/cluster/dht/src/dht.sym
+++ b/xlators/cluster/dht/src/dht.sym
@@ -1,3 +1,4 @@
+xlator_api
fops
cbks
class_methods