[Bugs] [Bug 1245547] New: sharding - Fix unlink of sparse files

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1245547

            Bug ID: 1245547
           Summary: sharding - Fix unlink of sparse files
           Product: GlusterFS
           Version: mainline
         Component: sharding
          Keywords: Triaged
          Assignee: kdhananj at redhat.com
          Reporter: kdhananj at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
In a sharded volume, unlink of files with holes fails with ENOENT.
This is because shard_common_lookup_shards() treats absence of participant
shards as failure. But in case of files with holes, it is possible for most
shards to not exist. And shard translator must not fail unlinks and renames
(where the dst exists && is sharded && has holes).

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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