diff options
Diffstat (limited to 'drivers/md/dm-stripe.c')
| -rw-r--r-- | drivers/md/dm-stripe.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index d8837d313f54..d907ca6227ce 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -94,7 +94,7 @@ static int get_stripe(struct dm_target *ti, struct stripe_c *sc, static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) { struct stripe_c *sc; - sector_t width; + sector_t width, tmp_len; uint32_t stripes; uint32_t chunk_size; int r; @@ -116,15 +116,16 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) } width = ti->len; - if (sector_div(width, chunk_size)) { + if (sector_div(width, stripes)) { ti->error = "Target length not divisible by " - "chunk size"; + "number of stripes"; return -EINVAL; } - if (sector_div(width, stripes)) { + tmp_len = width; + if (sector_div(tmp_len, chunk_size)) { ti->error = "Target length not divisible by " - "number of stripes"; + "chunk size"; return -EINVAL; } @@ -258,7 +259,7 @@ static int stripe_map_range(struct stripe_c *sc, struct bio *bio, sector_t begin, end; stripe_map_range_sector(sc, bio->bi_sector, target_stripe, &begin); - stripe_map_range_sector(sc, bio->bi_sector + bio_sectors(bio), + stripe_map_range_sector(sc, bio_end_sector(bio), target_stripe, &end); if (begin < end) { bio->bi_bdev = sc->stripe[target_stripe].dev->bdev; |