| commit | 9eaae8ffbc340fc034fed1e5d0dc9ca0e943f817 | [log] [tgz] |
|---|---|---|
| author | Mikulas Patocka <mpatocka@redhat.com> | Thu Dec 10 23:52:28 2009 +0000 |
| committer | Alasdair G Kergon <agk@redhat.com> | Thu Dec 10 23:52:28 2009 +0000 |
| tree | b40361de2cde4ecd14f569a82b18df87f7f9cbc7 | |
| parent | c2f3d24b783fda20618b73d65678eb5dfae31a5d [diff] |
dm snapshot: make bio optional in __origin_write To support the merging of snapshots back into their origin we need to trigger exceptions in other snapshots not being merged without any incoming bio on the origin device. The bio parameter to __origin_write() becomes optional and the sector needs supplying separately. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>