[Bugs] [Bug 1271148] New: Tier: Do not promote/demote files on which POSIX locks are held

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1271148

            Bug ID: 1271148
           Summary: Tier: Do not promote/demote files on which POSIX locks
                    are held
           Product: GlusterFS
           Version: mainline
         Component: tiering
          Assignee: bugs at gluster.org
          Reporter: nbalacha at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
The dht_migrate_file function currently does not move the POSIX locks on the
file being migrated to the dst file. Any locks held on a file are lost once the
migration is complete. 

This problem exists in DHT rebalance but is magnified in tiering as promotes
and demotes occur more frequently.

BZ 1267955 tracks the lock migration fix. Until that is done, we will skip all
files on which POSIX locks are held.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

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