diff options
-rw-r--r-- | drivers/md/md.c | 27 | ||||
-rw-r--r-- | drivers/md/md.h | 2 | ||||
-rw-r--r-- | drivers/md/raid0.c | 38 | ||||
-rw-r--r-- | drivers/md/raid5.c | 41 |
4 files changed, 77 insertions, 31 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 3f75c5896b92..3f57843918ec 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5881,13 +5881,6 @@ int md_run(struct mddev *mddev) if (err) goto exit_bio_set; } - if (mddev->level != 1 && mddev->level != 10 && - !bioset_initialized(&mddev->io_acct_set)) { - err = bioset_init(&mddev->io_acct_set, BIO_POOL_SIZE, - offsetof(struct md_io_acct, bio_clone), 0); - if (err) - goto exit_sync_set; - } spin_lock(&pers_lock); pers = find_pers(mddev->level, mddev->clevel); @@ -6064,9 +6057,6 @@ bitmap_abort: module_put(pers->owner); md_bitmap_destroy(mddev); abort: - if (mddev->level != 1 && mddev->level != 10) - bioset_exit(&mddev->io_acct_set); -exit_sync_set: bioset_exit(&mddev->sync_set); exit_bio_set: bioset_exit(&mddev->bio_set); @@ -8608,6 +8598,23 @@ void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev, } EXPORT_SYMBOL_GPL(md_submit_discard_bio); +int acct_bioset_init(struct mddev *mddev) +{ + int err = 0; + + if (!bioset_initialized(&mddev->io_acct_set)) + err = bioset_init(&mddev->io_acct_set, BIO_POOL_SIZE, + offsetof(struct md_io_acct, bio_clone), 0); + return err; +} +EXPORT_SYMBOL_GPL(acct_bioset_init); + +void acct_bioset_exit(struct mddev *mddev) +{ + bioset_exit(&mddev->io_acct_set); +} +EXPORT_SYMBOL_GPL(acct_bioset_exit); + static void md_end_io_acct(struct bio *bio) { struct md_io_acct *md_io_acct = bio->bi_private; diff --git a/drivers/md/md.h b/drivers/md/md.h index 53ea7a6961de..f1bf3625ef4c 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -721,6 +721,8 @@ extern void md_error(struct mddev *mddev, struct md_rdev *rdev); extern void md_finish_reshape(struct mddev *mddev); void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev, struct bio *bio, sector_t start, sector_t size); +int acct_bioset_init(struct mddev *mddev); +void acct_bioset_exit(struct mddev *mddev); void md_account_bio(struct mddev *mddev, struct bio **bio); extern bool __must_check md_flush_request(struct mddev *mddev, struct bio *bio); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 62c8b6adac70..b59a77b31b90 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -356,7 +356,21 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks return array_sectors; } -static void raid0_free(struct mddev *mddev, void *priv); +static void free_conf(struct mddev *mddev, struct r0conf *conf) +{ + kfree(conf->strip_zone); + kfree(conf->devlist); + kfree(conf); + mddev->private = NULL; +} + +static void raid0_free(struct mddev *mddev, void *priv) +{ + struct r0conf *conf = priv; + + free_conf(mddev, conf); + acct_bioset_exit(mddev); +} static int raid0_run(struct mddev *mddev) { @@ -370,11 +384,16 @@ static int raid0_run(struct mddev *mddev) if (md_check_no_bitmap(mddev)) return -EINVAL; + if (acct_bioset_init(mddev)) { + pr_err("md/raid0:%s: alloc acct bioset failed.\n", mdname(mddev)); + return -ENOMEM; + } + /* if private is not null, we are here after takeover */ if (mddev->private == NULL) { ret = create_strip_zones(mddev, &conf); if (ret < 0) - return ret; + goto exit_acct_set; mddev->private = conf; } conf = mddev->private; @@ -413,17 +432,16 @@ static int raid0_run(struct mddev *mddev) dump_zones(mddev); ret = md_integrity_register(mddev); + if (ret) + goto free; return ret; -} -static void raid0_free(struct mddev *mddev, void *priv) -{ - struct r0conf *conf = priv; - - kfree(conf->strip_zone); - kfree(conf->devlist); - kfree(conf); +free: + free_conf(mddev, conf); +exit_acct_set: + acct_bioset_exit(mddev); + return ret; } static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index beb544be9058..ffe720c73b0a 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7462,12 +7462,19 @@ static int raid5_run(struct mddev *mddev) struct md_rdev *rdev; struct md_rdev *journal_dev = NULL; sector_t reshape_offset = 0; - int i; + int i, ret = 0; long long min_offset_diff = 0; int first = 1; - if (mddev_init_writes_pending(mddev) < 0) + if (acct_bioset_init(mddev)) { + pr_err("md/raid456:%s: alloc acct bioset failed.\n", mdname(mddev)); return -ENOMEM; + } + + if (mddev_init_writes_pending(mddev) < 0) { + ret = -ENOMEM; + goto exit_acct_set; + } if (mddev->recovery_cp != MaxSector) pr_notice("md/raid:%s: not clean -- starting background reconstruction\n", @@ -7498,7 +7505,8 @@ static int raid5_run(struct mddev *mddev) (mddev->bitmap_info.offset || mddev->bitmap_info.file)) { pr_notice("md/raid:%s: array cannot have both journal and bitmap\n", mdname(mddev)); - return -EINVAL; + ret = -EINVAL; + goto exit_acct_set; } if (mddev->reshape_position != MaxSector) { @@ -7523,13 +7531,15 @@ static int raid5_run(struct mddev *mddev) if (journal_dev) { pr_warn("md/raid:%s: don't support reshape with journal - aborting.\n", mdname(mddev)); - return -EINVAL; + ret = -EINVAL; + goto exit_acct_set; } if (mddev->new_level != mddev->level) { pr_warn("md/raid:%s: unsupported reshape required - aborting.\n", mdname(mddev)); - return -EINVAL; + ret = -EINVAL; + goto exit_acct_set; } old_disks = mddev->raid_disks - mddev->delta_disks; /* reshape_position must be on a new-stripe boundary, and one @@ -7545,7 +7555,8 @@ static int raid5_run(struct mddev *mddev) if (sector_div(here_new, chunk_sectors * new_data_disks)) { pr_warn("md/raid:%s: reshape_position not on a stripe boundary\n", mdname(mddev)); - return -EINVAL; + ret = -EINVAL; + goto exit_acct_set; } reshape_offset = here_new * chunk_sectors; /* here_new is the stripe we will write to */ @@ -7567,7 +7578,8 @@ static int raid5_run(struct mddev *mddev) else if (mddev->ro == 0) { pr_warn("md/raid:%s: in-place reshape must be started in read-only mode - aborting\n", mdname(mddev)); - return -EINVAL; + ret = -EINVAL; + goto exit_acct_set; } } else if (mddev->reshape_backwards ? (here_new * chunk_sectors + min_offset_diff <= @@ -7577,7 +7589,8 @@ static int raid5_run(struct mddev *mddev) /* Reading from the same stripe as writing to - bad */ pr_warn("md/raid:%s: reshape_position too early for auto-recovery - aborting.\n", mdname(mddev)); - return -EINVAL; + ret = -EINVAL; + goto exit_acct_set; } pr_debug("md/raid:%s: reshape will continue\n", mdname(mddev)); /* OK, we should be able to continue; */ @@ -7601,8 +7614,10 @@ static int raid5_run(struct mddev *mddev) else conf = mddev->private; - if (IS_ERR(conf)) - return PTR_ERR(conf); + if (IS_ERR(conf)) { + ret = PTR_ERR(conf); + goto exit_acct_set; + } if (test_bit(MD_HAS_JOURNAL, &mddev->flags)) { if (!journal_dev) { @@ -7799,7 +7814,10 @@ abort: free_conf(conf); mddev->private = NULL; pr_warn("md/raid:%s: failed to run raid set.\n", mdname(mddev)); - return -EIO; + ret = -EIO; +exit_acct_set: + acct_bioset_exit(mddev); + return ret; } static void raid5_free(struct mddev *mddev, void *priv) @@ -7807,6 +7825,7 @@ static void raid5_free(struct mddev *mddev, void *priv) struct r5conf *conf = priv; free_conf(conf); + acct_bioset_exit(mddev); mddev->to_remove = &raid5_attrs_group; } |