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dm flakey: use dm_target_offset and support discards

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Use dm_target_offset() and support discards.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Mike Snitzer 2011-08-02 12:32:05 +01:00 committed by Alasdair G Kergon
parent 498f0103ea
commit 30e4171bfe
1 changed files with 2 additions and 1 deletions
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3
drivers/md/dm-flakey.c
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@ -79,6 +79,7 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv)
} }
ti->num_flush_requests = 1; ti->num_flush_requests = 1;
ti->num_discard_requests = 1;
ti->private = fc; ti->private = fc;
return 0; 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; 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) static void flakey_map_bio(struct dm_target *ti, struct bio *bio)