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authorMike Snitzer <snitzer@redhat.com>2011-08-02 12:32:05 +0100
committerAlasdair G Kergon <agk@redhat.com>2011-08-02 12:32:05 +0100
commit30e4171bfe3d1c49689803338005cc0071dddaff (patch)
tree8ba89dcca8774a94cbd5bb7685a9ea27570d772c
parent498f0103ea13123e007660def9072a0b7dd1c599 (diff)
downloadop-kernel-dev-30e4171bfe3d1c49689803338005cc0071dddaff.zip
op-kernel-dev-30e4171bfe3d1c49689803338005cc0071dddaff.tar.gz
dm flakey: use dm_target_offset and support discards
Use dm_target_offset() and support discards. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
-rw-r--r--drivers/md/dm-flakey.c3
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)
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