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authorAmar Tumballi <amar@gluster.com>2011-09-14 09:02:01 +0530
committerVijay Bellur <vijay@gluster.com>2011-09-19 23:49:10 -0700
commitcb2c6982bd6d588a91fa2827f95f0d9cf3ff2560 (patch)
treed82ac0af25d70e5bc4dbf464e0f742c08ab9f543 /xlators
parentb5b0bb056391659802099908f4bccde5afdb9e34 (diff)
cluster/distribute: minor fixes in open file migration
* incorporated Avati's comments on the first patch. * send proper stat information while unwinding Change-Id: I36982cec610753c241c372272620ab2bd581fd9f BUG: 3071 Reviewed-on: http://review.gluster.com/408 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/dht/src/dht-common.c13
-rw-r--r--xlators/cluster/dht/src/dht-common.h16
-rw-r--r--xlators/cluster/dht/src/dht-inode-read.c39
-rw-r--r--xlators/cluster/dht/src/dht-inode-write.c55
-rw-r--r--xlators/cluster/dht/src/dht-rename.c5
5 files changed, 91 insertions, 37 deletions
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index fc251c90b..5c5825556 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -136,6 +136,8 @@ dht_lookup_selfheal_cbk (call_frame_t *frame, void *cookie,
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
+
DHT_STACK_UNWIND (lookup, frame, ret, local->op_errno, local->inode,
&local->stbuf, local->xattr, &local->postparent);
@@ -248,6 +250,7 @@ unlock:
dht_layout_set (this, local->inode, layout);
}
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
local->inode, &local->stbuf, local->xattr,
&local->postparent);
@@ -413,6 +416,7 @@ out:
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
local->inode, &local->stbuf, local->xattr,
&local->postparent);
@@ -464,6 +468,7 @@ dht_lookup_linkfile_create_cbk (call_frame_t *frame, void *cookie,
unwind:
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
local->inode, &local->stbuf, local->xattr,
&local->postparent);
@@ -536,6 +541,7 @@ dht_lookup_everywhere_done (call_frame_t *frame, xlator_t *this)
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (lookup, frame, local->op_ret,
local->op_errno, local->inode,
&local->stbuf, local->xattr,
@@ -565,6 +571,7 @@ dht_lookup_everywhere_done (call_frame_t *frame, xlator_t *this)
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (lookup, frame, local->op_ret,
local->op_errno, local->inode,
&local->stbuf, local->xattr,
@@ -830,6 +837,7 @@ dht_lookup_linkfile_cbk (call_frame_t *frame, void *cookie,
unwind:
WIPE (postparent);
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (lookup, frame, op_ret, op_errno, inode, stbuf, xattr,
postparent);
@@ -1009,6 +1017,7 @@ out:
WIPE (postparent);
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (lookup, frame, op_ret, op_errno, inode, stbuf, xattr,
postparent);
err:
@@ -2587,6 +2596,7 @@ out:
* See dht_iatt_merge for reference.
*/
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (mknod, frame, op_ret, op_errno, inode, stbuf, preparent,
postparent);
return 0;
@@ -2828,6 +2838,7 @@ dht_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
WIPE (postparent);
out:
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (link, frame, op_ret, op_errno, inode, stbuf, preparent,
postparent);
@@ -2856,6 +2867,7 @@ dht_link_linkfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
return 0;
err:
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (link, frame, op_ret, op_errno, inode, stbuf, preparent,
postparent);
@@ -2966,6 +2978,7 @@ dht_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
out:
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (create, frame, op_ret, op_errno, fd, inode, stbuf, preparent,
postparent);
return 0;
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index 3545c0f99..97a2bd016 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -244,6 +244,22 @@ typedef struct dht_disk_layout dht_disk_layout_t;
((st_mode_from_ia (s->ia_prot, s->ia_type) & ~S_IFMT) \
== DHT_LINKFILE_MODE))
+#define IS_DHT_MIGRATION_PHASE2(buf) ( \
+ IA_ISREG ((buf)->ia_type) && \
+ ((st_mode_from_ia ((buf)->ia_prot, (buf)->ia_type) & \
+ ~S_IFMT) == DHT_LINKFILE_MODE))
+
+#define IS_DHT_MIGRATION_PHASE1(buf) ( \
+ IA_ISREG ((buf)->ia_type) && \
+ ((buf)->ia_prot.sticky == 1) && \
+ ((buf)->ia_prot.sgid == 1))
+
+#define DHT_STRIP_PHASE1_FLAGS(buf) do { \
+ if (IS_DHT_MIGRATION_PHASE1(buf)) { \
+ (buf)->ia_prot.sticky = 0; \
+ (buf)->ia_prot.sgid = 0; \
+ } \
+ } while (0)
#define check_is_dir(i,s,x) (IA_ISDIR(s->ia_type))
diff --git a/xlators/cluster/dht/src/dht-inode-read.c b/xlators/cluster/dht/src/dht-inode-read.c
index 1e9f54bda..d6a2cf369 100644
--- a/xlators/cluster/dht/src/dht-inode-read.c
+++ b/xlators/cluster/dht/src/dht-inode-read.c
@@ -165,9 +165,7 @@ dht_file_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
goto out;
/* Check if the rebalance phase2 is true */
- if ((op_ret == -1) || (IA_ISREG (stbuf->ia_type) &&
- ((st_mode_from_ia (stbuf->ia_prot, stbuf->ia_type) &
- ~S_IFMT) == DHT_LINKFILE_MODE))) {
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (stbuf)) {
if (local->fd)
ret = fd_ctx_get (local->fd, this, &tmp_subvol);
if (ret) {
@@ -178,12 +176,13 @@ dht_file_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
/* value is already set in fd_ctx, that means no need
to check for whether its complete or not. */
dht_attr2 (this, frame, 0);
- ret = 0;
}
if (!ret)
- goto err;
+ return 0;
}
+
out:
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (stat, frame, op_ret, op_errno, stbuf);
err:
return 0;
@@ -405,8 +404,7 @@ dht_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
if ((op_ret == -1) && (op_errno != ENOENT))
goto out;
- if ((op_ret == -1) || ((st_mode_from_ia (stbuf->ia_prot, stbuf->ia_type) &
- ~S_IFMT) == DHT_LINKFILE_MODE)) {
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (stbuf)) {
/* File would be migrated to other node */
ret = fd_ctx_get (local->fd, this, NULL);
if (ret) {
@@ -422,6 +420,7 @@ dht_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
out:
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
DHT_STACK_UNWIND (readv, frame, op_ret, op_errno, vector, count, stbuf,
iobref);
@@ -708,34 +707,39 @@ dht_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
goto out;
}
- if (local->call_cnt != 1)
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge (this, postbuf, &local->stbuf, NULL);
+ dht_iatt_merge (this, prebuf, &local->prebuf, NULL);
+ }
goto out;
+ }
ret = fd_ctx_get (local->fd, this, NULL);
if (ret) {
local->rebalance.target_op_fn = dht_fsync2;
/* Check if the rebalance phase1 is true */
- if (IA_ISREG (postbuf->ia_type) &&
- (postbuf->ia_prot.sticky == 1) &&
- (postbuf->ia_prot.sgid == 1)) {
+ if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
+ dht_iatt_merge (this, &local->stbuf, postbuf, NULL);
+ dht_iatt_merge (this, &local->prebuf, prebuf, NULL);
+
ret = dht_rebalance_in_progress_check (this, frame);
}
/* Check if the rebalance phase2 is true */
- if (IA_ISREG (postbuf->ia_type) &&
- ((st_mode_from_ia (postbuf->ia_prot, postbuf->ia_type) &
- ~S_IFMT) == DHT_LINKFILE_MODE)) {
+ if (IS_DHT_MIGRATION_PHASE2 (postbuf)) {
ret = dht_rebalance_complete_check (this, frame);
}
} else {
dht_fsync2 (this, frame, 0);
- ret = 0;
}
if (!ret)
return 0;
out:
+ DHT_STRIP_PHASE1_FLAGS (postbuf);
+ DHT_STRIP_PHASE1_FLAGS (prebuf);
DHT_STACK_UNWIND (fsync, frame, op_ret, op_errno,
prebuf, postbuf);
@@ -853,7 +857,7 @@ err:
/* Symlinks are currently not migrated, so no need for any check here */
int
dht_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, const char *path, struct iatt *sbuf)
+ int op_ret, int op_errno, const char *path, struct iatt *stbuf)
{
dht_local_t *local = NULL;
@@ -867,7 +871,8 @@ dht_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
err:
- DHT_STACK_UNWIND (readlink, frame, op_ret, op_errno, path, sbuf);
+ DHT_STRIP_PHASE1_FLAGS (stbuf);
+ DHT_STACK_UNWIND (readlink, frame, op_ret, op_errno, path, stbuf);
return 0;
}
diff --git a/xlators/cluster/dht/src/dht-inode-write.c b/xlators/cluster/dht/src/dht-inode-write.c
index 21eca6117..f9dea75aa 100644
--- a/xlators/cluster/dht/src/dht-inode-write.c
+++ b/xlators/cluster/dht/src/dht-inode-write.c
@@ -48,23 +48,29 @@ dht_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
goto out;
}
- if (local->call_cnt != 1)
+ if (local->call_cnt != 1) {
+ /* preserve the modes of source */
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge (this, postbuf, &local->stbuf, NULL);
+ dht_iatt_merge (this, prebuf, &local->prebuf, NULL);
+ }
goto out;
+ }
local->rebalance.target_op_fn = dht_writev2;
/* Phase 2 of migration */
- if (IA_ISREG (postbuf->ia_type) &&
- ((st_mode_from_ia (postbuf->ia_prot, postbuf->ia_type) &
- ~S_IFMT) == DHT_LINKFILE_MODE)) {
+ if (IS_DHT_MIGRATION_PHASE2 (postbuf)) {
ret = dht_rebalance_complete_check (this, frame);
if (!ret)
return 0;
}
/* Check if the rebalance phase1 is true */
- if (IA_ISREG (postbuf->ia_type) && (postbuf->ia_prot.sticky == 1) &&
- (postbuf->ia_prot.sgid == 1)) {
+ if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
+ dht_iatt_merge (this, &local->stbuf, postbuf, NULL);
+ dht_iatt_merge (this, &local->prebuf, prebuf, NULL);
+
ret = fd_ctx_get (local->fd, this, NULL);
if (!ret) {
dht_writev2 (this, frame, 0);
@@ -76,6 +82,9 @@ dht_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
out:
+ DHT_STRIP_PHASE1_FLAGS (postbuf);
+ DHT_STRIP_PHASE1_FLAGS (prebuf);
+
DHT_STACK_UNWIND (writev, frame, op_ret, op_errno, prebuf, postbuf);
return 0;
@@ -185,34 +194,40 @@ dht_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
goto out;
}
- if (local->call_cnt != 1)
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge (this, postbuf, &local->stbuf, NULL);
+ dht_iatt_merge (this, prebuf, &local->prebuf, NULL);
+ }
goto out;
+ }
local->rebalance.target_op_fn = dht_truncate2;
/* Phase 2 of migration */
- if ((op_ret == -1) || (IA_ISREG (postbuf->ia_type) &&
- ((st_mode_from_ia (postbuf->ia_prot, postbuf->ia_type) &
- ~S_IFMT) == DHT_LINKFILE_MODE))) {
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
ret = dht_rebalance_complete_check (this, frame);
if (!ret)
- goto err;
+ return 0;
}
/* Check if the rebalance phase1 is true */
- if (IA_ISREG (postbuf->ia_type) && (postbuf->ia_prot.sticky == 1) &&
- (postbuf->ia_prot.sgid == 1)) {
+ if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
+ dht_iatt_merge (this, &local->stbuf, postbuf, NULL);
+ dht_iatt_merge (this, &local->prebuf, prebuf, NULL);
ret = fd_ctx_get (local->fd, this, NULL);
if (!ret) {
dht_truncate2 (this, frame, 0);
- goto err;
+ return 0;
}
ret = dht_rebalance_in_progress_check (this, frame);
if (!ret)
- goto err;
+ return 0;
}
out:
+ DHT_STRIP_PHASE1_FLAGS (postbuf);
+ DHT_STRIP_PHASE1_FLAGS (prebuf);
DHT_STACK_UNWIND (truncate, frame, op_ret, op_errno,
prebuf, postbuf);
err:
@@ -362,19 +377,19 @@ dht_file_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local->rebalance.target_op_fn = dht_setattr2;
/* Phase 2 of migration */
- if ((op_ret == -1) || (IA_ISREG (postbuf->ia_type) &&
- ((st_mode_from_ia (postbuf->ia_prot, postbuf->ia_type) &
- ~S_IFMT) == DHT_LINKFILE_MODE))) {
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
ret = dht_rebalance_complete_check (this, frame);
if (!ret)
- goto out;
+ return 0;
}
/* At the end of the migration process, whatever 'attr' we
have on source file will be migrated to destination file
in one shot, hence we don't need to check for in progress
- state here */
+ state here (ie, PHASE1) */
out:
+ DHT_STRIP_PHASE1_FLAGS (postbuf);
+ DHT_STRIP_PHASE1_FLAGS (prebuf);
DHT_STACK_UNWIND (setattr, frame, op_ret, op_errno,
prebuf, postbuf);
diff --git a/xlators/cluster/dht/src/dht-rename.c b/xlators/cluster/dht/src/dht-rename.c
index 226ce280d..02b12887f 100644
--- a/xlators/cluster/dht/src/dht-rename.c
+++ b/xlators/cluster/dht/src/dht-rename.c
@@ -80,6 +80,7 @@ unwind:
WIPE (&local->preparent);
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (rename, frame, local->op_ret, local->op_errno,
&local->stbuf, &local->preoldparent,
&local->postoldparent,
@@ -159,6 +160,7 @@ unwind:
WIPE (&local->preparent);
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (rename, frame, local->op_ret, local->op_errno,
&local->stbuf, &local->preoldparent,
&local->postoldparent,
@@ -344,6 +346,7 @@ dht_rename_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
WIPE (&local->postparent);
if (is_last_call (this_call_cnt)) {
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (rename, frame, local->op_ret, local->op_errno,
&local->stbuf, &local->preoldparent,
&local->postoldparent, &local->preparent,
@@ -415,6 +418,7 @@ nolinks:
WIPE (&local->preparent);
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (rename, frame, local->op_ret, local->op_errno,
&local->stbuf, &local->preoldparent,
&local->postoldparent, &local->preparent,
@@ -573,6 +577,7 @@ unwind:
WIPE (&local->preparent);
WIPE (&local->postparent);
+ DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
DHT_STACK_UNWIND (rename, frame, local->op_ret, local->op_errno,
&local->stbuf, &local->preoldparent,
&local->postoldparent, &local->preparent,