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 /drivers/md | |
| parent | 3cb4021453a69585e458ec2177677c0c1300dccf (diff) | |
| download | linux-999d816851c3e080412a19558f111d01852d2f04.tar.bz2 | |
[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 'drivers/md')
| -rw-r--r-- | drivers/md/dm-table.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 4920998efeeb..05befa91807a 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1001,6 +1001,11 @@ int dm_table_flush_all(struct dm_table *t) { struct list_head *d, *devices = dm_table_get_devices(t); int ret = 0; + unsigned i; + + for (i = 0; i < t->num_targets; i++) + if (t->targets[i].type->flush) + t->targets[i].type->flush(&t->targets[i]); for (d = devices->next; d != devices; d = d->next) { struct dm_dev *dd = list_entry(d, struct dm_dev, list); |