diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/raid5.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 59c8772ee4e..dae740adaf6 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1743,6 +1743,7 @@ static int make_request(request_queue_t *q, struct bio * bi) sector_t logical_sector, last_sector; struct stripe_head *sh; const int rw = bio_data_dir(bi); + int remaining; if (unlikely(bio_barrier(bi))) { bio_endio(bi, bi->bi_size, -EOPNOTSUPP); @@ -1852,7 +1853,9 @@ static int make_request(request_queue_t *q, struct bio * bi) } spin_lock_irq(&conf->device_lock); - if (--bi->bi_phys_segments == 0) { + remaining = --bi->bi_phys_segments; + spin_unlock_irq(&conf->device_lock); + if (remaining == 0) { int bytes = bi->bi_size; if ( bio_data_dir(bi) == WRITE ) @@ -1860,7 +1863,6 @@ static int make_request(request_queue_t *q, struct bio * bi) bi->bi_size = 0; bi->bi_end_io(bi, bytes, 0); } - spin_unlock_irq(&conf->device_lock); return 0; } |