floppy: use atomic type for usage_count

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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>

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Stephen Hemminger 2010-06-15 13:21:11 +02:00 • committed by Jens Axboe

parent 41a55b4de3

commit 575cfc673e

1 changed files with 12 additions and 30 deletions

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42

drivers/block/floppy.c

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