[dm-devel] [PATCH 2/9] dm flakey: use dm_target_offset() and support discards
Mike Snitzer
snitzer at redhat.com
Mon Jun 27 19:53:36 UTC 2011
Signed-off-by: Mike Snitzer <snitzer at redhat.com>
---
drivers/md/dm-flakey.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index ea79062..70a69b2 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -79,6 +79,7 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}
ti->num_flush_requests = 1;
+ ti->num_discard_requests = 1;
ti->private = fc;
return 0;
@@ -99,7 +100,7 @@ static sector_t flakey_map_sector(struct dm_target *ti, sector_t bi_sector)
{
struct flakey_c *fc = ti->private;
- return fc->start + (bi_sector - ti->begin);
+ return fc->start + dm_target_offset(ti, bi_sector);
}
static void flakey_map_bio(struct dm_target *ti, struct bio *bio)
--
1.7.1
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