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| author | Mike Snitzer <snitzer@redhat.com> | 2009-12-11 00:52:31 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-11 00:52:31 +0100 |
| commit | 10b8106a70433e14153469ebbdd189776500e238 (patch) | |
| tree | 5d46ee65e40d165494ef1d4342e03f2fcfaa0492 /init | |
| parent | dm snapshot: avoid allocating exceptions in merge (diff) | |
| download | linux-10b8106a70433e14153469ebbdd189776500e238.tar.xz linux-10b8106a70433e14153469ebbdd189776500e238.zip | |
dm snapshot: support barriers in snapshot merge target
Sets num_flush_requests=2 to support flushing both the origin and cow
devices used by the snapshot-merge target.
Also, snapshot_ctr() now gets the origin device using FMODE_WRITE if the
target is snapshot-merge (which writes to the origin device).
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions