[Bugs] [Bug 1170954] New: Fix mutex problems reported by coverity scan

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1170954

            Bug ID: 1170954
           Summary: Fix mutex problems reported by coverity scan
           Product: GlusterFS
           Version: 3.6.1
         Component: disperse
          Assignee: bugs at gluster.org
          Reporter: xhernandez at datalab.es
                CC: bugs at gluster.org, gluster-bugs at redhat.com
        Depends On: 1170254



+++ This bug was initially created as a clone of Bug #1170254 +++

Description of problem:

Coverity scan reported 3 issues related to mutexes:

    CID1241484 Data race condition
    CID1241486 Data race condition
    CID1256173 Thread deadlock

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


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

--- Additional comment from Anand Avati on 2014-12-03 16:45:40 CET ---

REVIEW: http://review.gluster.org/9230 (ec: Fix mutex related coverity scan
issues) posted (#1) for review on master by Xavier Hernandez
(xhernandez at datalab.es)

--- Additional comment from Anand Avati on 2014-12-04 20:36:36 CET ---

COMMIT: http://review.gluster.org/9230 committed in master by Vijay Bellur
(vbellur at redhat.com) 
------
commit 30ae004100067f52fe156098ffb215417db5559e
Author: Xavier Hernandez <xhernandez at datalab.es>
Date:   Wed Dec 3 16:42:31 2014 +0100

    ec: Fix mutex related coverity scan issues

    This patch solves 3 issues detected by coverity scan:

        CID1241484 Data race condition
        CID1241486 Data race condition
        CID1256173 Thread deadlock

    With this patch, inode lock is never acquired inside a region locked
    with fop->lock.

    Change-Id: I35c4633efd1b68b9f72b42661fa7c728b1f52c6a
    BUG: 1170254
    Signed-off-by: Xavier Hernandez <xhernandez at datalab.es>
    Reviewed-on: http://review.gluster.org/9230
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Dan Lambright <dlambrig at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1170254
[Bug 1170254] Fix mutex problems reported by coverity scan
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