diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 2 | ||||
| -rw-r--r-- | drivers/md/raid5.c | 10 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 51c19f86ff9..7cf512a34cc 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -276,6 +276,7 @@ static mddev_t * mddev_find(dev_t unit) atomic_set(&new->active, 1); spin_lock_init(&new->write_lock); init_waitqueue_head(&new->sb_wait); + init_waitqueue_head(&new->recovery_wait); new->reshape_position = MaxSector; new->resync_max = MaxSector; new->level = LEVEL_NONE; @@ -5665,7 +5666,6 @@ void md_do_sync(mddev_t *mddev) window/2,(unsigned long long) max_sectors/2); atomic_set(&mddev->recovery_active, 0); - init_waitqueue_head(&mddev->recovery_wait); last_check = 0; if (j>2) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 425958a76b8..c37e256b117 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2002,6 +2002,7 @@ static int __handle_issuing_new_read_requests5(struct stripe_head *sh, * have quiesced. */ if ((s->uptodate == disks - 1) && + (s->failed && disk_idx == s->failed_num) && !test_bit(STRIPE_OP_CHECK, &sh->ops.pending)) { set_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.pending); set_bit(R5_Wantcompute, &dev->flags); @@ -2087,7 +2088,9 @@ static void handle_issuing_new_read_requests6(struct stripe_head *sh, /* we would like to get this block, possibly * by computing it, but we might not be able to */ - if (s->uptodate == disks-1) { + if ((s->uptodate == disks - 1) && + (s->failed && (i == r6s->failed_num[0] || + i == r6s->failed_num[1]))) { pr_debug("Computing stripe %llu block %d\n", (unsigned long long)sh->sector, i); compute_block_1(sh, i, 0); @@ -2645,6 +2648,7 @@ static void handle_stripe5(struct stripe_head *sh) struct r5dev *dev; unsigned long pending = 0; mdk_rdev_t *blocked_rdev = NULL; + int prexor; memset(&s, 0, sizeof(s)); pr_debug("handling stripe %llu, state=%#lx cnt=%d, pd_idx=%d " @@ -2774,9 +2778,11 @@ static void handle_stripe5(struct stripe_head *sh) /* leave prexor set until postxor is done, allows us to distinguish * a rmw from a rcw during biodrain */ + prexor = 0; if (test_bit(STRIPE_OP_PREXOR, &sh->ops.complete) && test_bit(STRIPE_OP_POSTXOR, &sh->ops.complete)) { + prexor = 1; clear_bit(STRIPE_OP_PREXOR, &sh->ops.complete); clear_bit(STRIPE_OP_PREXOR, &sh->ops.ack); clear_bit(STRIPE_OP_PREXOR, &sh->ops.pending); @@ -2810,6 +2816,8 @@ static void handle_stripe5(struct stripe_head *sh) if (!test_and_set_bit( STRIPE_OP_IO, &sh->ops.pending)) sh->ops.count++; + if (prexor) + continue; if (!test_bit(R5_Insync, &dev->flags) || (i == sh->pd_idx && s.failed == 0)) set_bit(STRIPE_INSYNC, &sh->state); |