diff options
| -rw-r--r-- | drivers/md/md.c | 5 | ||||
| -rw-r--r-- | drivers/md/md.h | 3 | ||||
| -rw-r--r-- | drivers/md/raid1.c | 3 | ||||
| -rw-r--r-- | drivers/md/raid10.c | 3 | ||||
| -rw-r--r-- | drivers/md/raid5.c | 5 |
5 files changed, 5 insertions, 14 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index d5ab449..3438117 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -514,8 +514,7 @@ struct md_plug_cb { static void plugger_unplug(struct blk_plug_cb *cb) { struct md_plug_cb *mdcb = container_of(cb, struct md_plug_cb, cb); - if (atomic_dec_and_test(&mdcb->mddev->plug_cnt)) - md_wakeup_thread(mdcb->mddev->thread); + md_wakeup_thread(mdcb->mddev->thread); kfree(mdcb); } @@ -548,7 +547,6 @@ int mddev_check_plugged(struct mddev *mddev) mdcb->mddev = mddev; mdcb->cb.callback = plugger_unplug; - atomic_inc(&mddev->plug_cnt); list_add(&mdcb->cb.list, &plug->cb_list); return 1; } @@ -602,7 +600,6 @@ void mddev_init(struct mddev *mddev) atomic_set(&mddev->active, 1); atomic_set(&mddev->openers, 0); atomic_set(&mddev->active_io, 0); - atomic_set(&mddev->plug_cnt, 0); spin_lock_init(&mddev->write_lock); atomic_set(&mddev->flush_pending, 0); init_waitqueue_head(&mddev->sb_wait); diff --git a/drivers/md/md.h b/drivers/md/md.h index 7b4a3c3..91786c4 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -266,9 +266,6 @@ struct mddev { int new_chunk_sectors; int reshape_backwards; - atomic_t plug_cnt; /* If device is expecting - * more bios soon. - */ struct md_thread *thread; /* management thread */ struct md_thread *sync_thread; /* doing resync or reconstruct */ sector_t curr_resync; /* last block scheduled */ diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index cacd008..36a8fc0 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2173,8 +2173,7 @@ static void raid1d(struct mddev *mddev) blk_start_plug(&plug); for (;;) { - if (atomic_read(&mddev->plug_cnt) == 0) - flush_pending_writes(conf); + flush_pending_writes(conf); spin_lock_irqsave(&conf->device_lock, flags); if (list_empty(head)) { diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 8da6282..5d33603 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2660,8 +2660,7 @@ static void raid10d(struct mddev *mddev) blk_start_plug(&plug); for (;;) { - if (atomic_read(&mddev->plug_cnt) == 0) - flush_pending_writes(conf); + flush_pending_writes(conf); spin_lock_irqsave(&conf->device_lock, flags); if (list_empty(head)) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 04348d7..bde9da2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4543,7 +4543,7 @@ static void raid5d(struct mddev *mddev) while (1) { struct bio *bio; - if (atomic_read(&mddev->plug_cnt) == 0 && + if ( !list_empty(&conf->bitmap_list)) { /* Now is a good time to flush some bitmap updates */ conf->seq_flush++; @@ -4553,8 +4553,7 @@ static void raid5d(struct mddev *mddev) conf->seq_write = conf->seq_flush; activate_bit_delay(conf); } - if (atomic_read(&mddev->plug_cnt) == 0) - raid5_activate_delayed(conf); + raid5_activate_delayed(conf); while ((bio = remove_bio_from_retry(conf))) { int ok; |