[Bugs] [Bug 1694455] New: file level snapshots using reflink in a posix only volume

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1694455

            Bug ID: 1694455
           Summary: file level snapshots using reflink in a posix only
                    volume
           Product: GlusterFS
           Version: mainline
            Status: NEW
         Component: posix
          Assignee: bugs at gluster.org
          Reporter: rabhat at redhat.com
                CC: bugs at gluster.org
  Target Milestone: ---
    Classification: Community



Description of problem:

Ability to take file level snapshots for a single brick volume.
Using setxattr interface, provide a mechanism to take snapshots of file(s).
The same setxattr interface can be used to delete the snapshots as well.

Ex: setfattr -n glusterfs.snapshot -v <snapshot name> <file path>
    setfattr -n glusterfs.removesnap -v <snapshot name> <file path> 

The snapshots can be viewed from <mount point>/.fsnaps/<gfid of the file>


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


How reproducible:


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