diff options
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-raid.c | 15 | ||||
-rw-r--r-- | drivers/md/dm-raid1.c | 22 | ||||
-rw-r--r-- | drivers/md/dm-rq.c | 7 | ||||
-rw-r--r-- | drivers/md/dm-table.c | 24 | ||||
-rw-r--r-- | drivers/md/dm.c | 4 | ||||
-rw-r--r-- | drivers/md/md.c | 10 | ||||
-rw-r--r-- | drivers/md/raid1.c | 26 | ||||
-rw-r--r-- | drivers/md/raid10.c | 7 | ||||
-rw-r--r-- | drivers/md/raid5-cache.c | 6 |
9 files changed, 58 insertions, 63 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 8abde6b8cedc..6d53810963f7 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -266,7 +266,7 @@ static struct raid_type { {"raid10_offset", "raid10 offset (striped mirrors)", 0, 2, 10, ALGORITHM_RAID10_OFFSET}, {"raid10_near", "raid10 near (striped mirrors)", 0, 2, 10, ALGORITHM_RAID10_NEAR}, {"raid10", "raid10 (striped mirrors)", 0, 2, 10, ALGORITHM_RAID10_DEFAULT}, - {"raid4", "raid4 (dedicated last parity disk)", 1, 2, 4, ALGORITHM_PARITY_N}, /* raid4 layout = raid5_n */ + {"raid4", "raid4 (dedicated first parity disk)", 1, 2, 5, ALGORITHM_PARITY_0}, /* raid4 layout = raid5_0 */ {"raid5_n", "raid5 (dedicated last parity disk)", 1, 2, 5, ALGORITHM_PARITY_N}, {"raid5_ls", "raid5 (left symmetric)", 1, 2, 5, ALGORITHM_LEFT_SYMMETRIC}, {"raid5_rs", "raid5 (right symmetric)", 1, 2, 5, ALGORITHM_RIGHT_SYMMETRIC}, @@ -2087,11 +2087,11 @@ static int super_init_validation(struct raid_set *rs, struct md_rdev *rdev) /* * No takeover/reshaping, because we don't have the extended v1.9.0 metadata */ - if (le32_to_cpu(sb->level) != mddev->level) { + if (le32_to_cpu(sb->level) != mddev->new_level) { DMERR("Reshaping/takeover raid sets not yet supported. (raid level/stripes/size change)"); return -EINVAL; } - if (le32_to_cpu(sb->layout) != mddev->layout) { + if (le32_to_cpu(sb->layout) != mddev->new_layout) { DMERR("Reshaping raid sets not yet supported. (raid layout change)"); DMERR(" 0x%X vs 0x%X", le32_to_cpu(sb->layout), mddev->layout); DMERR(" Old layout: %s w/ %d copies", @@ -2102,7 +2102,7 @@ static int super_init_validation(struct raid_set *rs, struct md_rdev *rdev) raid10_md_layout_to_copies(mddev->layout)); return -EINVAL; } - if (le32_to_cpu(sb->stripe_sectors) != mddev->chunk_sectors) { + if (le32_to_cpu(sb->stripe_sectors) != mddev->new_chunk_sectors) { DMERR("Reshaping raid sets not yet supported. (stripe sectors change)"); return -EINVAL; } @@ -2115,6 +2115,8 @@ static int super_init_validation(struct raid_set *rs, struct md_rdev *rdev) return -EINVAL; } + DMINFO("Discovered old metadata format; upgrading to extended metadata format"); + /* Table line is checked vs. authoritative superblock */ rs_set_new(rs); } @@ -2258,7 +2260,8 @@ static int super_validate(struct raid_set *rs, struct md_rdev *rdev) if (!mddev->events && super_init_validation(rs, rdev)) return -EINVAL; - if (le32_to_cpu(sb->compat_features) != FEATURE_FLAG_SUPPORTS_V190) { + if (le32_to_cpu(sb->compat_features) && + le32_to_cpu(sb->compat_features) != FEATURE_FLAG_SUPPORTS_V190) { rs->ti->error = "Unable to assemble array: Unknown flag(s) in compatible feature flags"; return -EINVAL; } @@ -3646,7 +3649,7 @@ static void raid_resume(struct dm_target *ti) static struct target_type raid_target = { .name = "raid", - .version = {1, 9, 0}, + .version = {1, 9, 1}, .module = THIS_MODULE, .ctr = raid_ctr, .dtr = raid_dtr, diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index bdf1606f67bc..9a8b71067c6e 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -145,7 +145,6 @@ static void dispatch_bios(void *context, struct bio_list *bio_list) struct dm_raid1_bio_record { struct mirror *m; - /* if details->bi_bdev == NULL, details were not saved */ struct dm_bio_details details; region_t write_region; }; @@ -1200,8 +1199,6 @@ static int mirror_map(struct dm_target *ti, struct bio *bio) struct dm_raid1_bio_record *bio_record = dm_per_bio_data(bio, sizeof(struct dm_raid1_bio_record)); - bio_record->details.bi_bdev = NULL; - if (rw == WRITE) { /* Save region for mirror_end_io() handler */ bio_record->write_region = dm_rh_bio_to_region(ms->rh, bio); @@ -1260,22 +1257,12 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) } if (error == -EOPNOTSUPP) - goto out; + return error; if ((error == -EWOULDBLOCK) && (bio->bi_opf & REQ_RAHEAD)) - goto out; + return error; if (unlikely(error)) { - if (!bio_record->details.bi_bdev) { - /* - * There wasn't enough memory to record necessary - * information for a retry or there was no other - * mirror in-sync. - */ - DMERR_LIMIT("Mirror read failed."); - return -EIO; - } - m = bio_record->m; DMERR("Mirror read failed from %s. Trying alternative device.", @@ -1291,7 +1278,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) bd = &bio_record->details; dm_bio_restore(bd, bio); - bio_record->details.bi_bdev = NULL; + bio->bi_error = 0; queue_bio(ms, bio, rw); return DM_ENDIO_INCOMPLETE; @@ -1299,9 +1286,6 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) DMERR("All replicated volumes dead, failing I/O"); } -out: - bio_record->details.bi_bdev = NULL; - return error; } diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index dc75bea0d541..1d0d2adc050a 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -856,8 +856,11 @@ int dm_old_init_request_queue(struct mapped_device *md) kthread_init_worker(&md->kworker); md->kworker_task = kthread_run(kthread_worker_fn, &md->kworker, "kdmwork-%s", dm_device_name(md)); - if (IS_ERR(md->kworker_task)) - return PTR_ERR(md->kworker_task); + if (IS_ERR(md->kworker_task)) { + int error = PTR_ERR(md->kworker_task); + md->kworker_task = NULL; + return error; + } elv_register_queue(md->queue); diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 3e407a9cde1f..c4b53b332607 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -695,37 +695,32 @@ int dm_table_add_target(struct dm_table *t, const char *type, tgt->type = dm_get_target_type(type); if (!tgt->type) { - DMERR("%s: %s: unknown target type", dm_device_name(t->md), - type); + DMERR("%s: %s: unknown target type", dm_device_name(t->md), type); return -EINVAL; } if (dm_target_needs_singleton(tgt->type)) { if (t->num_targets) { - DMERR("%s: target type %s must appear alone in table", - dm_device_name(t->md), type); - return -EINVAL; + tgt->error = "singleton target type must appear alone in table"; + goto bad; } t->singleton = true; } if (dm_target_always_writeable(tgt->type) && !(t->mode & FMODE_WRITE)) { - DMERR("%s: target type %s may not be included in read-only tables", - dm_device_name(t->md), type); - return -EINVAL; + tgt->error = "target type may not be included in a read-only table"; + goto bad; } if (t->immutable_target_type) { if (t->immutable_target_type != tgt->type) { - DMERR("%s: immutable target type %s cannot be mixed with other target types", - dm_device_name(t->md), t->immutable_target_type->name); - return -EINVAL; + tgt->error = "immutable target type cannot be mixed with other target types"; + goto bad; } } else if (dm_target_is_immutable(tgt->type)) { if (t->num_targets) { - DMERR("%s: immutable target type %s cannot be mixed with other target types", - dm_device_name(t->md), tgt->type->name); - return -EINVAL; + tgt->error = "immutable target type cannot be mixed with other target types"; + goto bad; } t->immutable_target_type = tgt->type; } @@ -740,7 +735,6 @@ int dm_table_add_target(struct dm_table *t, const char *type, */ if (!adjoin(t, tgt)) { tgt->error = "Gap in table"; - r = -EINVAL; goto bad; } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 147af9536d0c..ef7bf1dd6900 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1423,8 +1423,6 @@ static void cleanup_mapped_device(struct mapped_device *md) if (md->bs) bioset_free(md->bs); - cleanup_srcu_struct(&md->io_barrier); - if (md->disk) { spin_lock(&_minor_lock); md->disk->private_data = NULL; @@ -1436,6 +1434,8 @@ static void cleanup_mapped_device(struct mapped_device *md) if (md->queue) blk_cleanup_queue(md->queue); + cleanup_srcu_struct(&md->io_barrier); + if (md->bdev) { bdput(md->bdev); md->bdev = NULL; diff --git a/drivers/md/md.c b/drivers/md/md.c index eac84d8ff724..2089d46b0eb8 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3887,10 +3887,10 @@ array_state_show(struct mddev *mddev, char *page) st = read_auto; break; case 0: - if (mddev->in_sync) - st = clean; - else if (test_bit(MD_CHANGE_PENDING, &mddev->flags)) + if (test_bit(MD_CHANGE_PENDING, &mddev->flags)) st = write_pending; + else if (mddev->in_sync) + st = clean; else if (mddev->safemode) st = active_idle; else @@ -8144,14 +8144,14 @@ void md_do_sync(struct md_thread *thread) if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && !test_bit(MD_RECOVERY_INTR, &mddev->recovery) && - mddev->curr_resync > 2) { + mddev->curr_resync > 3) { mddev->curr_resync_completed = mddev->curr_resync; sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } mddev->pers->sync_request(mddev, max_sectors, &skipped); if (!test_bit(MD_RECOVERY_CHECK, &mddev->recovery) && - mddev->curr_resync > 2) { + mddev->curr_resync > 3) { if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) { if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { if (mddev->curr_resync >= mddev->recovery_cp) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 1961d827dbd1..29e2df5cd77b 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -403,11 +403,14 @@ static void raid1_end_write_request(struct bio *bio) struct bio *to_put = NULL; int mirror = find_bio_disk(r1_bio, bio); struct md_rdev *rdev = conf->mirrors[mirror].rdev; + bool discard_error; + + discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD; /* * 'one mirror IO has finished' event handler: */ - if (bio->bi_error) { + if (bio->bi_error && !discard_error) { set_bit(WriteErrorSeen, &rdev->flags); if (!test_and_set_bit(WantReplacement, &rdev->flags)) set_bit(MD_RECOVERY_NEEDED, & @@ -444,7 +447,7 @@ static void raid1_end_write_request(struct bio *bio) /* Maybe we can clear some bad blocks. */ if (is_badblock(rdev, r1_bio->sector, r1_bio->sectors, - &first_bad, &bad_sectors)) { + &first_bad, &bad_sectors) && !discard_error) { r1_bio->bios[mirror] = IO_MADE_GOOD; set_bit(R1BIO_MadeGood, &r1_bio->state); } @@ -2294,17 +2297,23 @@ static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio) * This is all done synchronously while the array is * frozen */ + + bio = r1_bio->bios[r1_bio->read_disk]; + bdevname(bio->bi_bdev, b); + bio_put(bio); + r1_bio->bios[r1_bio->read_disk] = NULL; + if (mddev->ro == 0) { freeze_array(conf, 1); fix_read_error(conf, r1_bio->read_disk, r1_bio->sector, r1_bio->sectors); unfreeze_array(conf); - } else - md_error(mddev, conf->mirrors[r1_bio->read_disk].rdev); + } else { + r1_bio->bios[r1_bio->read_disk] = IO_BLOCKED; + } + rdev_dec_pending(conf->mirrors[r1_bio->read_disk].rdev, conf->mddev); - bio = r1_bio->bios[r1_bio->read_disk]; - bdevname(bio->bi_bdev, b); read_more: disk = read_balance(conf, r1_bio, &max_sectors); if (disk == -1) { @@ -2315,11 +2324,6 @@ read_more: } else { const unsigned long do_sync = r1_bio->master_bio->bi_opf & REQ_SYNC; - if (bio) { - r1_bio->bios[r1_bio->read_disk] = - mddev->ro ? IO_BLOCKED : NULL; - bio_put(bio); - } r1_bio->read_disk = disk; bio = bio_clone_mddev(r1_bio->master_bio, GFP_NOIO, mddev); bio_trim(bio, r1_bio->sector - bio->bi_iter.bi_sector, diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index be1a9fca3b2d..39fddda2fef2 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -447,6 +447,9 @@ static void raid10_end_write_request(struct bio *bio) struct r10conf *conf = r10_bio->mddev->private; int slot, repl; struct md_rdev *rdev = NULL; + bool discard_error; + + discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD; dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl); @@ -460,7 +463,7 @@ static void raid10_end_write_request(struct bio *bio) /* * this branch is our 'one mirror IO has finished' event handler: */ - if (bio->bi_error) { + if (bio->bi_error && !discard_error) { if (repl) /* Never record new bad blocks to replacement, * just fail it. @@ -503,7 +506,7 @@ static void raid10_end_write_request(struct bio *bio) if (is_badblock(rdev, r10_bio->devs[slot].addr, r10_bio->sectors, - &first_bad, &bad_sectors)) { + &first_bad, &bad_sectors) && !discard_error) { bio_put(bio); if (repl) r10_bio->devs[slot].repl_bio = IO_MADE_GOOD; diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 1b1ab4a1d132..a227a9f3ee65 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -1087,7 +1087,7 @@ static int r5l_recovery_log(struct r5l_log *log) * 1's seq + 10 and let superblock points to meta2. The same recovery will * not think meta 3 is a valid meta, because its seq doesn't match */ - if (ctx.seq > log->last_cp_seq + 1) { + if (ctx.seq > log->last_cp_seq) { int ret; ret = r5l_log_write_empty_meta_block(log, ctx.pos, ctx.seq + 10); @@ -1096,6 +1096,8 @@ static int r5l_recovery_log(struct r5l_log *log) log->seq = ctx.seq + 11; log->log_start = r5l_ring_add(log, ctx.pos, BLOCK_SECTORS); r5l_write_super(log, ctx.pos); + log->last_checkpoint = ctx.pos; + log->next_checkpoint = ctx.pos; } else { log->log_start = ctx.pos; log->seq = ctx.seq; @@ -1154,6 +1156,7 @@ create: if (create_super) { log->last_cp_seq = prandom_u32(); cp = 0; + r5l_log_write_empty_meta_block(log, cp, log->last_cp_seq); /* * Make sure super points to correct address. Log might have * data very soon. If super hasn't correct log tail address, @@ -1168,6 +1171,7 @@ create: if (log->max_free_space > RECLAIM_MAX_FREE_SPACE) log->max_free_space = RECLAIM_MAX_FREE_SPACE; log->last_checkpoint = cp; + log->next_checkpoint = cp; __free_page(page); |