diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2011-08-02 12:32:00 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2011-08-02 12:32:00 +0100 |
| commit | 762a80d9fc9f690a3a35983f3b4619a220650808 (patch) | |
| tree | 807d9cfcd1c2395cd1cf62a95ebd6676ee2a6a4d /mm | |
| parent | 6140333d3656f62ac7e6a5af87e7fe92cfb8d655 (diff) | |
dm snapshot: flush disk cache when merging
This patch makes dm-snapshot flush disk cache when writing metadata for
merging snapshot.
Without cache flushing the disk may reorder metadata write and other
data writes and there is a possibility of data corruption in case of
power fault.
Cc: stable@kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions