diff options
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 56 |
1 files changed, 30 insertions, 26 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 2031506a0ecd..4ce0d7502fad 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -409,16 +409,14 @@ void raid5_release_stripe(struct stripe_head *sh) md_wakeup_thread(conf->mddev->thread); return; slow_path: - local_irq_save(flags); /* we are ok here if STRIPE_ON_RELEASE_LIST is set or not */ - if (atomic_dec_and_lock(&sh->count, &conf->device_lock)) { + if (atomic_dec_and_lock_irqsave(&sh->count, &conf->device_lock, flags)) { INIT_LIST_HEAD(&list); hash = sh->hash_lock_index; do_release_stripe(conf, sh, &list); - spin_unlock(&conf->device_lock); + spin_unlock_irqrestore(&conf->device_lock, flags); release_inactive_stripe_list(conf, &list, hash); } - local_irq_restore(flags); } static inline void remove_hash(struct stripe_head *sh) @@ -3301,8 +3299,8 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, */ set_bit(STRIPE_BITMAP_PENDING, &sh->state); spin_unlock_irq(&sh->stripe_lock); - bitmap_startwrite(conf->mddev->bitmap, sh->sector, - STRIPE_SECTORS, 0); + md_bitmap_startwrite(conf->mddev->bitmap, sh->sector, + STRIPE_SECTORS, 0); spin_lock_irq(&sh->stripe_lock); clear_bit(STRIPE_BITMAP_PENDING, &sh->state); if (!sh->batch_head) { @@ -3392,8 +3390,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, bi = nextbi; } if (bitmap_end) - bitmap_endwrite(conf->mddev->bitmap, sh->sector, - STRIPE_SECTORS, 0, 0); + md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, + STRIPE_SECTORS, 0, 0); bitmap_end = 0; /* and fail all 'written' */ bi = sh->dev[i].written; @@ -3438,8 +3436,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, } } if (bitmap_end) - bitmap_endwrite(conf->mddev->bitmap, sh->sector, - STRIPE_SECTORS, 0, 0); + md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, + STRIPE_SECTORS, 0, 0); /* If we were in the middle of a write the parity block might * still be locked - so just clear all R5_LOCKED flags */ @@ -3779,10 +3777,10 @@ returnbi: bio_endio(wbi); wbi = wbi2; } - bitmap_endwrite(conf->mddev->bitmap, sh->sector, - STRIPE_SECTORS, - !test_bit(STRIPE_DEGRADED, &sh->state), - 0); + md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, + STRIPE_SECTORS, + !test_bit(STRIPE_DEGRADED, &sh->state), + 0); if (head_sh->batch_head) { sh = list_first_entry(&sh->batch_list, struct stripe_head, @@ -4521,6 +4519,12 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) s->failed++; if (rdev && !test_bit(Faulty, &rdev->flags)) do_recovery = 1; + else if (!rdev) { + rdev = rcu_dereference( + conf->disks[i].replacement); + if (rdev && !test_bit(Faulty, &rdev->flags)) + do_recovery = 1; + } } if (test_bit(R5_InJournal, &dev->flags)) @@ -5539,10 +5543,10 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi) for (d = 0; d < conf->raid_disks - conf->max_degraded; d++) - bitmap_startwrite(mddev->bitmap, - sh->sector, - STRIPE_SECTORS, - 0); + md_bitmap_startwrite(mddev->bitmap, + sh->sector, + STRIPE_SECTORS, + 0); sh->bm_seq = conf->seq_flush + 1; set_bit(STRIPE_BIT_DELAY, &sh->state); } @@ -6020,11 +6024,11 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n } if (mddev->curr_resync < max_sector) /* aborted */ - bitmap_end_sync(mddev->bitmap, mddev->curr_resync, - &sync_blocks, 1); + md_bitmap_end_sync(mddev->bitmap, mddev->curr_resync, + &sync_blocks, 1); else /* completed sync */ conf->fullsync = 0; - bitmap_close_sync(mddev->bitmap); + md_bitmap_close_sync(mddev->bitmap); return 0; } @@ -6053,7 +6057,7 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n } if (!test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery) && !conf->fullsync && - !bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) && + !md_bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) && sync_blocks >= STRIPE_SECTORS) { /* we can skip this block, and probably more */ sync_blocks /= STRIPE_SECTORS; @@ -6061,7 +6065,7 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n return sync_blocks * STRIPE_SECTORS; /* keep things rounded to whole stripes */ } - bitmap_cond_end_sync(mddev->bitmap, sector_nr, false); + md_bitmap_cond_end_sync(mddev->bitmap, sector_nr, false); sh = raid5_get_active_stripe(conf, sector_nr, 0, 1, 0); if (sh == NULL) { @@ -6084,7 +6088,7 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n } rcu_read_unlock(); - bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, still_degraded); + md_bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, still_degraded); set_bit(STRIPE_SYNC_REQUESTED, &sh->state); set_bit(STRIPE_HANDLE, &sh->state); @@ -6285,7 +6289,7 @@ static void raid5d(struct md_thread *thread) /* Now is a good time to flush some bitmap updates */ conf->seq_flush++; spin_unlock_irq(&conf->device_lock); - bitmap_unplug(mddev->bitmap); + md_bitmap_unplug(mddev->bitmap); spin_lock_irq(&conf->device_lock); conf->seq_write = conf->seq_flush; activate_bit_delay(conf, conf->temp_inactive_list); @@ -7741,7 +7745,7 @@ static int raid5_resize(struct mddev *mddev, sector_t sectors) mddev->array_sectors > newsize) return -EINVAL; if (mddev->bitmap) { - int ret = bitmap_resize(mddev->bitmap, sectors, 0, 0); + int ret = md_bitmap_resize(mddev->bitmap, sectors, 0, 0); if (ret) return ret; } |