[Bugs] [Bug 1282710] New: Tier: Hard link created during file promotion is lost once the migration is complete

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1282710

            Bug ID: 1282710
           Summary: Tier: Hard link created during file promotion is lost
                    once the migration is complete
           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:

A hard link created when a file is being promoted will be lost once the file
migration is complete.

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


How reproducible:

Consistently

Steps to Reproduce:
1. Create a tier volume and FUSE mount it.
2. Create a large file FILE1 so it will take some time to migrate. This is
created on the hot tier by default
3. After FILE1 is demoted, append some data to it to trigger file promotion
4. While FILE1 is being promoted, create a hardlink hlink to FILE1 in some
other directory


Actual results:
Once FILE1 has been migrated, hlink no longer exists

Expected results:
Once FILE1 has been migrated, hlink should still exist

Additional info:

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