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[Cluster-devel] Cluster Project tag, ccs_1_0_12, created. gfs-kernel_2_6_9_76-5-gb95f5dd



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http://sources.redhat.com/git/gitweb.cgi?p=cluster.git;a=commitdiff;h=b95f5dd435df474b5b5c55927ae86b52f21c0b28

The tag, ccs_1_0_12 has been created
        at  b95f5dd435df474b5b5c55927ae86b52f21c0b28 (commit)

- Log -----------------------------------------------------------------
commit b95f5dd435df474b5b5c55927ae86b52f21c0b28
Author: David Teigland <teigland redhat com>
Date:   Thu Feb 28 09:49:26 2008 -0600

    lock_dlm: skip busy plocks in unlock
    
    bz 432707
    
    Another problem with multiple threads manipulating the same
    plocks (also see bz 383391).  In this case thread1 was waiting
    on a plock that was in the dlm, when thread2 came and tried to
    unlock it (due to the process exiting and closing all files).
    dlm returns EBUSY for the unlock, which causes lock_dlm to assert
    (another work around could be to just not assert on EBUSY.)
    The "busy" flag was recently added to plocks to work around
    another similar problem with multiple threads; use that to
    just skip the unlock on any plock that's busy.

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