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authorVarun Shastry <vshastry@redhat.com>2013-01-16 14:28:19 +0530
committerAnand Avati <avati@redhat.com>2013-01-31 17:18:03 -0800
commit315ee9c4e0bdc9f2b1cad21ebfac44f906597fb1 (patch)
tree41dd45d6973c8c4df31dac6d04226af71ac067eb /xlators/cluster/dht/src/switch.c
parentb5a6d4bd97800dd00849677c2ace4417dd914ccc (diff)
cluster/dht: stack wind with cookiev3.4.0qa8
Default_fops uses stack_wind_tail. It winds without creating the frame leading into wrong subvol return in the cookie. To avoid the problem caused by the same, we're getting the subvol by passing the cookie. Change-Id: I51ee79b22c89e4fb0b89e9a0bc3ac96c5b469f8f BUG: 893338 Signed-off-by: Varun Shastry <vshastry@redhat.com> Reviewed-on: http://review.gluster.org/4388 Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com> Tested-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src/switch.c')
-rw-r--r--xlators/cluster/dht/src/switch.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/xlators/cluster/dht/src/switch.c b/xlators/cluster/dht/src/switch.c
index 2b4f97387bd..6ec343102b6 100644
--- a/xlators/cluster/dht/src/switch.c
+++ b/xlators/cluster/dht/src/switch.c
@@ -475,17 +475,22 @@ switch_mknod_linkfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
dht_local_t *local = NULL;
local = frame->local;
+ if (!local || !local->cached_subvol) {
+ op_errno = EINVAL;
+ op_ret = -1;
+ goto err;
+ }
if (op_ret >= 0) {
- STACK_WIND (frame, dht_newfile_cbk,
- local->cached_subvol,
+ STACK_WIND_COOKIE (frame, dht_newfile_cbk,
+ (void *)local->cached_subvol, local->cached_subvol,
local->cached_subvol->fops->mknod,
&local->loc, local->mode, local->rdev,
local->umask, local->params);
return 0;
}
-
+err:
DHT_STACK_UNWIND (link, frame, op_ret, op_errno,
inode, stbuf, preparent, postparent, xdata);
return 0;
@@ -549,9 +554,9 @@ switch_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
gf_log (this->name, GF_LOG_TRACE,
"creating %s on %s", loc->path, subvol->name);
- STACK_WIND (frame, dht_newfile_cbk,
- subvol, subvol->fops->mknod,
- loc, mode, rdev, umask, params);
+ STACK_WIND_COOKIE (frame, dht_newfile_cbk, (void *)subvol, subvol,
+ subvol->fops->mknod, loc, mode, rdev, umask,
+ params);
return 0;