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dm io: handle empty barriers
authorMikulas Patocka <mpatocka@redhat.com>
Thu, 10 Dec 2009 23:52:22 +0000 (23:52 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 10 Dec 2009 23:52:22 +0000 (23:52 +0000)
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>

No differences found
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