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Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c51
1 files changed, 31 insertions, 20 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4b8f6c476e72..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)
@@ -1139,6 +1137,9 @@ again:
bi->bi_io_vec[0].bv_len = STRIPE_SIZE;
bi->bi_io_vec[0].bv_offset = 0;
bi->bi_iter.bi_size = STRIPE_SIZE;
+ bi->bi_write_hint = sh->dev[i].write_hint;
+ if (!rrdev)
+ sh->dev[i].write_hint = RWF_WRITE_LIFE_NOT_SET;
/*
* If this is discard request, set bi_vcnt 0. We don't
* want to confuse SCSI because SCSI will replace payload
@@ -1190,6 +1191,8 @@ again:
rbi->bi_io_vec[0].bv_len = STRIPE_SIZE;
rbi->bi_io_vec[0].bv_offset = 0;
rbi->bi_iter.bi_size = STRIPE_SIZE;
+ rbi->bi_write_hint = sh->dev[i].write_hint;
+ sh->dev[i].write_hint = RWF_WRITE_LIFE_NOT_SET;
/*
* If this is discard request, set bi_vcnt 0. We don't
* want to confuse SCSI because SCSI will replace payload
@@ -2391,7 +2394,7 @@ static int resize_stripes(struct r5conf *conf, int newsize)
* is completely stalled, so now is a good time to resize
* conf->disks and the scribble region
*/
- ndisks = kzalloc(newsize * sizeof(struct disk_info), GFP_NOIO);
+ ndisks = kcalloc(newsize, sizeof(struct disk_info), GFP_NOIO);
if (ndisks) {
for (i = 0; i < conf->pool_size; i++)
ndisks[i] = conf->disks[i];
@@ -3204,6 +3207,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,
(unsigned long long)sh->sector);
spin_lock_irq(&sh->stripe_lock);
+ sh->dev[dd_idx].write_hint = bi->bi_write_hint;
/* Don't allow new IO added to stripes in batch list */
if (sh->batch_head)
goto overlap;
@@ -4515,6 +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))
@@ -4614,15 +4624,15 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
sh->check_state = head_sh->check_state;
sh->reconstruct_state = head_sh->reconstruct_state;
+ spin_lock_irq(&sh->stripe_lock);
+ sh->batch_head = NULL;
+ spin_unlock_irq(&sh->stripe_lock);
for (i = 0; i < sh->disks; i++) {
if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
do_wakeup = 1;
sh->dev[i].flags = head_sh->dev[i].flags &
(~((1 << R5_WriteError) | (1 << R5_Overlap)));
}
- spin_lock_irq(&sh->stripe_lock);
- sh->batch_head = NULL;
- spin_unlock_irq(&sh->stripe_lock);
if (handle_flags == 0 ||
sh->state & handle_flags)
set_bit(STRIPE_HANDLE, &sh->state);
@@ -5192,7 +5202,7 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio)
/*
* use bio_clone_fast to make a copy of the bio
*/
- align_bi = bio_clone_fast(raid_bio, GFP_NOIO, mddev->bio_set);
+ align_bi = bio_clone_fast(raid_bio, GFP_NOIO, &mddev->bio_set);
if (!align_bi)
return 0;
/*
@@ -5277,7 +5287,7 @@ static struct bio *chunk_aligned_read(struct mddev *mddev, struct bio *raid_bio)
if (sectors < bio_sectors(raid_bio)) {
struct r5conf *conf = mddev->private;
- split = bio_split(raid_bio, sectors, GFP_NOIO, conf->bio_split);
+ split = bio_split(raid_bio, sectors, GFP_NOIO, &conf->bio_split);
bio_chain(split, raid_bio);
generic_make_request(raid_bio);
raid_bio = split;
@@ -6658,9 +6668,9 @@ static int alloc_thread_groups(struct r5conf *conf, int cnt,
}
*group_cnt = num_possible_nodes();
size = sizeof(struct r5worker) * cnt;
- workers = kzalloc(size * *group_cnt, GFP_NOIO);
- *worker_groups = kzalloc(sizeof(struct r5worker_group) *
- *group_cnt, GFP_NOIO);
+ workers = kcalloc(size, *group_cnt, GFP_NOIO);
+ *worker_groups = kcalloc(*group_cnt, sizeof(struct r5worker_group),
+ GFP_NOIO);
if (!*worker_groups || !workers) {
kfree(workers);
kfree(*worker_groups);
@@ -6773,8 +6783,7 @@ static void free_conf(struct r5conf *conf)
if (conf->disks[i].extra_page)
put_page(conf->disks[i].extra_page);
kfree(conf->disks);
- if (conf->bio_split)
- bioset_free(conf->bio_split);
+ bioset_exit(&conf->bio_split);
kfree(conf->stripe_hashtbl);
kfree(conf->pending_data);
kfree(conf);
@@ -6853,6 +6862,7 @@ static struct r5conf *setup_conf(struct mddev *mddev)
int i;
int group_cnt, worker_cnt_per_group;
struct r5worker_group *new_group;
+ int ret;
if (mddev->new_level != 5
&& mddev->new_level != 4
@@ -6888,8 +6898,9 @@ static struct r5conf *setup_conf(struct mddev *mddev)
goto abort;
INIT_LIST_HEAD(&conf->free_list);
INIT_LIST_HEAD(&conf->pending_list);
- conf->pending_data = kzalloc(sizeof(struct r5pending_data) *
- PENDING_IO_MAX, GFP_KERNEL);
+ conf->pending_data = kcalloc(PENDING_IO_MAX,
+ sizeof(struct r5pending_data),
+ GFP_KERNEL);
if (!conf->pending_data)
goto abort;
for (i = 0; i < PENDING_IO_MAX; i++)
@@ -6938,7 +6949,7 @@ static struct r5conf *setup_conf(struct mddev *mddev)
conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks;
max_disks = max(conf->raid_disks, conf->previous_raid_disks);
- conf->disks = kzalloc(max_disks * sizeof(struct disk_info),
+ conf->disks = kcalloc(max_disks, sizeof(struct disk_info),
GFP_KERNEL);
if (!conf->disks)
@@ -6950,8 +6961,8 @@ static struct r5conf *setup_conf(struct mddev *mddev)
goto abort;
}
- conf->bio_split = bioset_create(BIO_POOL_SIZE, 0, 0);
- if (!conf->bio_split)
+ ret = bioset_init(&conf->bio_split, BIO_POOL_SIZE, 0, 0);
+ if (ret)
goto abort;
conf->mddev = mddev;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-04 05:04:30 +0000