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dm raid1: support flush
authorMikulas Patocka <mpatocka@redhat.com>
Thu, 10 Dec 2009 23:51:59 +0000 (23:51 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 10 Dec 2009 23:51:59 +0000 (23:51 +0000)
Flush support for dm-raid1.

When it receives an empty barrier, submit it to all the devices via dm-io.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

No differences found
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