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Backport of http://review.gluster.org/8575
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.
BUG: 1136821
Change-Id: If93e46d542a4e96a81a0639b5210330f7dbe8be0
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/8594
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Change-Id: I479ab941b3b2da3b16f624400fbd300f08326268
BUG: 1092850
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/7799
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Problem:
Client xlator issues finodelk using anon-fd when the fd is not
opened on the file. This can also happen between attempts to re-open
the file after client disconnects. It can so happen that lock is taken
using anon-fd and the file is now re-opened and unlock would come with
re-opened fd. This will lead to leak in lk-table entry, which also
holds reference to fd which leads to fd-leak on the brick.
Fix:
Don't check for fds to be equal for tracking finodelks.
Since inodelk is identified by (gfid, connection, lk-owner)
fd equality is not needed.
Change-Id: I62152d84caef0b863c973845e618076d388e6848
BUG: 993247
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/5499
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I8a3ddc8183355236ff7725229441e27bbf8188e3
BUG: 927146
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/5406
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Test assumes that open on the mount point opens the files on bricks
right away.
Change-Id: I94aae857515792e9b694723d30bb085f9e703745
BUG: 821056
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4540
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: Ic99c7f3cf1f6a381b0fc1b2ca1acc19f5fe75523
BUG: 821056
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4387
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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