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| author | Mike Snitzer <snitzer@redhat.com> | 2014-10-29 03:13:31 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2014-11-19 19:24:59 +0300 |
| commit | d67ee213fa5700c7da526fe5bcccd485cfa63d8b (patch) | |
| tree | 9ba735535bac6b904191702006275ec8115d9803 /include/linux/device-mapper.h | |
| parent | 4d341d8216336174d35cd2575b6b9e4267a88ac8 (diff) | |
| download | linux-d67ee213fa5700c7da526fe5bcccd485cfa63d8b.tar.xz | |
dm: add presuspend_undo hook to target_type
The DM thin-pool target now must undo the changes performed during
pool_presuspend() so introduce presuspend_undo hook in target_type.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index e1707de043ae..ca6d2acc5eb7 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -64,6 +64,7 @@ typedef int (*dm_request_endio_fn) (struct dm_target *ti, union map_info *map_context); typedef void (*dm_presuspend_fn) (struct dm_target *ti); +typedef void (*dm_presuspend_undo_fn) (struct dm_target *ti); typedef void (*dm_postsuspend_fn) (struct dm_target *ti); typedef int (*dm_preresume_fn) (struct dm_target *ti); typedef void (*dm_resume_fn) (struct dm_target *ti); @@ -145,6 +146,7 @@ struct target_type { dm_endio_fn end_io; dm_request_endio_fn rq_end_io; dm_presuspend_fn presuspend; + dm_presuspend_undo_fn presuspend_undo; dm_postsuspend_fn postsuspend; dm_preresume_fn preresume; dm_resume_fn resume; |