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3 Commits

Author SHA1 Message Date
David Teigland 97a35d1e5f [DLM] fix grant_after_purge softlockup 
In dlm_grant_after_purge() we were holding a hash table read_lock while
calling put_rsb() which potentially removes the rsb from the hash table,
taking the same lock in write.  Fix this by flagging rsb's ahead of time
that have been purged.  Then iteratively read_lock the hash table, find a
flagged rsb, unlock, process rsb.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
 2006-05-02 13:34:03 -04:00
David Teigland 901359256b [DLM] Update DLM to the latest patch level 
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steve Whitehouse <swhiteho@redhat.com>
 2006-01-20 08:47:07 +00:00
David Teigland e7fd41792f [DLM] The core of the DLM for GFS2/CLVM 
This is the core of the distributed lock manager which is required
to use GFS2 as a cluster filesystem. It is also used by CLVM and
can be used as a standalone lock manager independantly of either
of these two projects.

It implements VAX-style locking modes.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steve Whitehouse <swhiteho@redhat.com>
 2006-01-18 09:30:29 +00:00