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authorshishir gowda <sgowda@redhat.com>2013-07-11 13:44:51 +0530
committerAnand Avati <avati@redhat.com>2013-07-15 23:56:34 -0700
commit3e1d8e1689c47d8b83343a403e7d09c018472155 (patch)
tree77dbf001ec0f7742e90ad57861b013917807768d /xlators/cluster/dht/src/dht-common.h
parentc50aa14008f9612d273acb81470f544cad6cff1a (diff)
cluster/dht: Prevent dht_access from going into a loop.
If access fails with ENOTCONN, do not wind to same subvol. We wind to first-up-subvol if access fails with ENOTCONN. In few cases, if dht has only 1 subvolume, and access fails with ENOTCONN, we go into a infinite loop of winding to same subvol The fix is to check if we previously wound to same subvol, and fail if first-up-subvol is same. Change-Id: Ib5d3ce7d33e8ea09147905a7df1ed280874fa549 BUG: 983431 Signed-off-by: shishir gowda <sgowda@redhat.com> Reviewed-on: http://review.gluster.org/5319 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src/dht-common.h')
-rw-r--r--xlators/cluster/dht/src/dht-common.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index d00d56864..2be762994 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -445,6 +445,7 @@ int dht_iatt_merge (xlator_t *this, struct iatt *to, struct iatt
xlator_t *dht_subvol_get_hashed (xlator_t *this, loc_t *loc);
xlator_t *dht_subvol_get_cached (xlator_t *this, inode_t *inode);
xlator_t *dht_subvol_next (xlator_t *this, xlator_t *prev);
+xlator_t *dht_subvol_next_available (xlator_t *this, xlator_t *prev);
int dht_subvol_cnt (xlator_t *this, xlator_t *subvol);
int dht_hash_compute (xlator_t *this, int type, const char *name, uint32_t *hash_p);