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linux/drivers/md/dm-thin.c
Joe Thornber 5f64b0f2cb dm thin: grab a virtual cell before looking up the mapping 
commit c822ed967c upstream.

Avoids normal IO racing with discard.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-21 09:23:02 -08:00

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83 KiB
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