From: David Teigland <teigland@redhat.com>
Date: Tue, 9 Dec 2008 17:55:46 +0000 (-0600)
Subject: dlm: improve how bast mode handling
X-Git-Tag: v2.6.29-rc1~496^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd22a51bcc0b7b76fc729b02316214fd979f9fe1;p=pandora-kernel.git

dlm: improve how bast mode handling

The lkb bastmode value is set in the context of processing the
lock, and read by the dlm_astd thread.  Because it's accessed
in these two separate contexts, the writing/reading ought to
be done under a lock.  This is simple to do by setting it and
reading it when the lkb is added to and removed from dlm_astd's
callback list which is properly locked.

Signed-off-by: David Teigland <teigland@redhat.com>
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