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floppy: use atomic type for usage_count
authorStephen Hemminger <shemminger@vyatta.com>
Tue, 15 Jun 2010 11:21:11 +0000 (13:21 +0200)
committerJens Axboe <jaxboe@fusionio.com>
Sat, 7 Aug 2010 16:15:36 +0000 (18:15 +0200)
The usage_count was being protected by a lock which was only there to
create an atomic counter.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

No differences found
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