diff options
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 3b6f6a7ea306..9ef8dcd35fe9 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -137,6 +137,7 @@ static bool mpath_double_check_test_bit(int MPATHF_bit, struct multipath *m) if (r) { unsigned long flags; + spin_lock_irqsave(&m->lock, flags); r = test_bit(MPATHF_bit, &m->flags); spin_unlock_irqrestore(&m->lock, flags); @@ -711,6 +712,7 @@ static void process_queued_bios(struct work_struct *work) blk_start_plug(&plug); while ((bio = bio_list_pop(&bios))) { struct dm_mpath_io *mpio = get_mpio_from_bio(bio); + dm_bio_restore(get_bio_details_from_mpio(mpio), bio); r = __multipath_map_bio(m, bio, mpio); switch (r) { @@ -2122,6 +2124,7 @@ static int multipath_busy(struct dm_target *ti) /* no paths available, for blk-mq: rely on IO mapping to delay requeue */ if (!atomic_read(&m->nr_valid_paths)) { unsigned long flags; + spin_lock_irqsave(&m->lock, flags); if (test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) { spin_unlock_irqrestore(&m->lock, flags); |