diff options
| author | Bryn Reeves <breeves@redhat.com> | 2006-10-03 01:15:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 08:04:16 -0700 |
| commit | 999d816851c3e080412a19558f111d01852d2f04 (patch) | |
| tree | 8b75a8e97d6fa7c41e81169e9b2ba5f7806e23a9 /include/linux/device-mapper.h | |
| parent | 3cb4021453a69585e458ec2177677c0c1300dccf (diff) | |
| download | linux-999d816851c3e080412a19558f111d01852d2f04.tar.gz linux-999d816851c3e080412a19558f111d01852d2f04.tar.bz2 linux-999d816851c3e080412a19558f111d01852d2f04.zip | |
[PATCH] dm table: add target flush
This patch adds support for a per-target dm_flush_fn method. This is needed
to allow dm-loop to invalidate page cache mappings in response to BLKFLSBUF
ioctl commands.
Signed-off-by: Bryn Reeves <breeves@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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 7a48d428d0a1..03ef41c1eaac 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -55,6 +55,7 @@ typedef int (*dm_endio_fn) (struct dm_target *ti, struct bio *bio, int error, union map_info *map_context); +typedef void (*dm_flush_fn) (struct dm_target *ti); typedef void (*dm_presuspend_fn) (struct dm_target *ti); typedef void (*dm_postsuspend_fn) (struct dm_target *ti); typedef int (*dm_preresume_fn) (struct dm_target *ti); @@ -96,6 +97,7 @@ struct target_type { dm_dtr_fn dtr; dm_map_fn map; dm_endio_fn end_io; + dm_flush_fn flush; dm_presuspend_fn presuspend; dm_postsuspend_fn postsuspend; dm_preresume_fn preresume; |