[Bugs] [Bug 1343038] New: IO ERROR when multiple graph switches

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1343038

            Bug ID: 1343038
           Summary: IO ERROR when multiple graph switches
           Product: GlusterFS
           Version: mainline
         Component: libgfapi
          Assignee: bugs at gluster.org
          Reporter: pgurusid at redhat.com
        QA Contact: sdharane at redhat.com
                CC: bugs at gluster.org



Created attachment 1165177
  --> https://bugzilla.redhat.com/attachment.cgi?id=1165177&action=edit
Test case

Description of problem:
When the IO is going on a client, 2 or more graph switches one after the other
can lead to IO Error from the client.

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


How reproducible:
Attached is the reproducer.
It is also seen when, qemu(libgfapi based) has a VM on gluster storage and
replace brick(add brick followed by remove brick) was executed.

Steps to Reproduce:
1. gcc -lgfapi tests/bugs/libgfapi/glfs_vol_set_IO_ERR.c -o
tests/bugs/libgfapi/glfs_vol_set_IO_ERR -lgfapi
2. ./tests/bugs/libgfapi/glfs_vol_set_IO_ERR <volname> <log file>
3.

Actual results:
It exists with IO error

Expected results:
It should pass

Additional info:

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