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authorPranith Kumar K <pkarampu@redhat.com>2014-09-02 09:40:44 +0530
committerVijay Bellur <vbellur@redhat.com>2014-09-02 05:10:20 -0700
commit2c0a694b8d910c530899077c1d242ad1ea250965 (patch)
treef678fb94bc1fe7c1501395deb828603a2523ed27 /xlators/cluster/afr/src/afr-self-heal-name.c
parent4ae887db6b770584219fab484dec027d278baef9 (diff)
storage/posix: Prefer gfid links for inode-handle
Problem: File path could change by other entry operations in-flight so if renames are in progress at the time of other operations like open, it may lead to failures. We observed that this issue can also happen while renames and readdirps/lookups are in progress because dentry-table is going stale sometimes. Fix: Prefer gfid-handles over paths for files. For directory handles prefering gfid-handles hits performance issues because it needs to resolve paths traversing up the symlinks. Tests which test if files are opened should check on gfid path after this change. So changed couple of tests to reflect the same. Note: This patch doesn't fix the issue for directories. I think a complete fix is to come up with an entry operation serialization xlator. Until then lets live with this. Change-Id: I10bda1083036d013f3a12588db7a71039d9da6c3 BUG: 1136159 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/8575 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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