[Bugs] [Bug 1624329] Prevent hangs while increasing replica-count/ replace-brick for directory hierarchy

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1624329

Pranith Kumar K <pkarampu at redhat.com> changed:

           What    |Removed                     |Added
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           Doc Type|If docs needed, set a value |Bug Fix


--- Doc Text *updated* ---
Cause: Metadata, Name heals triggered from mounts are waiting for locks to be acquired before completing mount operations such as lookup.

Consequence: All operations across the mounts which are trying to do heal on same directory will slow down the operations on the mounts for seconds making it appear like a hang.

Fix: Delegated the heals to shd in the common cases to prevent triggering heals from mounts, so that the mount operations don't need to wait for heal to complete before completing the operation.

Result: Hangs are not observed.


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