[Bugs] [Bug 1631128] rpc marks brick disconnected from glusterd & volume stop transaction gets timed out

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1631128

Worker Ant <bugzilla-bot at gluster.org> changed:

           What    |Removed                     |Added
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             Status|POST                        |MODIFIED



--- Comment #4 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/21221 committed in master by "Atin
Mukherjee" <amukherj at redhat.com> with a commit message- glusterd: Use GF_ATOMIC
to update 'blockers' counter at glusterd_conf

Problem: 
Currently in glusterd code uses sync_lock/sync_unlock to update blockers
counter which could add delays to the overall transaction phase
escpecially when there's a batch of volume stop operations processed by
glusterd in brick multiplexing mode.

Solution: Use GF_ATOMIC to update blocker counter to ensure unnecessary
context switching can be avoided.

Change-Id: Ie13177dfee2af66687ae7cf5c67405c152853990
Fixes: bz#1631128
Signed-off-by: Mohit Agrawal <moagrawal at redhat.com>

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