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authorPranith Kumar K <pranithk@gluster.com>2012-07-20 15:49:42 +0530
committerAnand Avati <avati@redhat.com>2012-07-25 17:45:22 -0700
commitc2a7a22bfe18316eab441d49e515726e53f74582 (patch)
tree6b3a1be9c79ef6106b452b29dc37b5c2f749c5f7 /xlators/cluster
parent22e4e55ecf65764812cfb76cd0b14a40b4161f25 (diff)
cluster/afr: Filter O_TRUNC in afr-fix-open
RCA: When open was done while a brick is down, afr opens the file after the brick comes backup. If this happens after the self-heal on the file is completed by self-heald etc, the file will end up in truncated state. Fix: Filter O_TRUNC while afr-fix-open because afr_open turns O_TRUNC into truncate transaction, so there will be pending changelog for the subvolume on which open fails. Testing: Had to simulate the race by stopping fix-open until self-heald completes self-heal on the file after brick online. Change-Id: I32759cc37f4bb34f206d01606a279f17b246dba4 BUG: 841840 Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Reviewed-on: http://review.gluster.com/3705 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster')
-rw-r--r--xlators/cluster/afr/src/afr-open.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/xlators/cluster/afr/src/afr-open.c b/xlators/cluster/afr/src/afr-open.c
index 35090d80e..c0be197f2 100644
--- a/xlators/cluster/afr/src/afr-open.c
+++ b/xlators/cluster/afr/src/afr-open.c
@@ -429,7 +429,8 @@ afr_fix_open (call_frame_t *frame, xlator_t *this, afr_fd_ctx_t *fd_ctx,
(void *)(long) i,
priv->children[i],
priv->children[i]->fops->open,
- &open_local->loc, fd_ctx->flags,
+ &open_local->loc,
+ fd_ctx->flags & (~O_TRUNC),
open_local->fd, NULL);
}