buffer: switch do_emergency_thaw() away from pdflush_operation()
authorJens Axboe <jens.axboe@oracle.com>
Wed, 8 Apr 2009 11:44:08 +0000 (13:44 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 15 Apr 2009 06:28:12 +0000 (08:28 +0200)
This is (again) a preparatory patch similar to commit
a2a9537ac0b37a5da6fbe7e1e9cb06c524d2a9c4. It open codes a simple
async way of executing do_thaw_all() out of context, so we can get
rid of pdflush.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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