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linux/drivers/md/dm-io.c
Mikulas Patocka 12fc0f49dc dm io: handle empty barriers 
Accept empty barriers in dm-io.

dm-io will process empty write barrier requests just like the other
read/write requests.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-12-10 23:52:22 +00:00

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