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block: make queue flags non-atomic
author
Nick Piggin
<npiggin@suse.de>
Tue, 29 Apr 2008 12:48:33 +0000
(14:48 +0200)
committer
Jens Axboe
<jens.axboe@oracle.com>
Tue, 29 Apr 2008 12:48:33 +0000
(14:48 +0200)
We can save some atomic ops in the IO path, if we clearly define
the rules of how to modify the queue flags.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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