diff options
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 9f0fbecd1eb..9c66e5997fc 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -463,7 +463,6 @@ static inline void insert_hash(struct r5conf *conf, struct stripe_head *sh) hlist_add_head(&sh->hash, hp); } - /* find an idle stripe, make sure it is unhashed, and return it. */ static struct stripe_head *get_free_stripe(struct r5conf *conf, int hash) { @@ -531,9 +530,7 @@ static void init_stripe(struct stripe_head *sh, sector_t sector, int previous) BUG_ON(stripe_operations_active(sh)); pr_debug("init_stripe called, stripe %llu\n", - (unsigned long long)sh->sector); - - remove_hash(sh); + (unsigned long long)sector); retry: seq = read_seqcount_begin(&conf->gen_lock); sh->generation = conf->generation - previous; @@ -542,7 +539,6 @@ retry: stripe_set_idx(sector, conf, previous, sh); sh->state = 0; - for (i = sh->disks; i--; ) { struct r5dev *dev = &sh->dev[i]; @@ -1350,7 +1346,6 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu) } } - static void ops_complete_prexor(void *stripe_head_ref) { struct stripe_head *sh = stripe_head_ref; @@ -2419,7 +2414,6 @@ static sector_t raid5_compute_sector(struct r5conf *conf, sector_t r_sector, return new_sector; } - static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) { struct r5conf *conf = sh->raid_conf; @@ -2437,7 +2431,6 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) sector_t r_sector; struct stripe_head sh2; - chunk_offset = sector_div(new_sector, sectors_per_chunk); stripe = new_sector; @@ -2541,7 +2534,6 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) return r_sector; } - static void schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s, int rcw, int expand) @@ -3013,7 +3005,6 @@ static void handle_stripe_fill(struct stripe_head *sh, set_bit(STRIPE_HANDLE, &sh->state); } - /* handle_stripe_clean_event * any written block on an uptodate or failed drive can be returned. * Note that if we 'wrote' to a failed drive, it will be UPTODATE, but @@ -3304,7 +3295,6 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh, } } - static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, struct stripe_head_state *s, int disks) @@ -3939,7 +3929,6 @@ static void handle_stripe(struct stripe_head *sh) } } - /* Finish reconstruct operations initiated by the expansion process */ if (sh->reconstruct_state == reconstruct_state_result) { struct stripe_head *sh_src @@ -4137,7 +4126,6 @@ static int raid5_mergeable_bvec(struct request_queue *q, return max; } - static int in_chunk_boundary(struct mddev *mddev, struct bio *bio) { sector_t sector = bio->bi_iter.bi_sector + get_start_sect(bio->bi_bdev); @@ -4167,7 +4155,6 @@ static void add_bio_to_retry(struct bio *bi,struct r5conf *conf) md_wakeup_thread(conf->mddev->thread); } - static struct bio *remove_bio_from_retry(struct r5conf *conf) { struct bio *bi; @@ -4191,7 +4178,6 @@ static struct bio *remove_bio_from_retry(struct r5conf *conf) return bi; } - /* * The "raid5_align_endio" should check if the read succeeded and if it * did, call bio_endio on the original bio (having bio_put the new bio @@ -4224,7 +4210,6 @@ static void raid5_align_endio(struct bio *bi, int error) return; } - pr_debug("raid5_align_endio : io error...handing IO for a retry\n"); add_bio_to_retry(raid_bi, conf); @@ -4249,7 +4234,6 @@ static int bio_fits_rdev(struct bio *bi) return 1; } - static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) { struct r5conf *conf = mddev->private; @@ -4301,7 +4285,7 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) rcu_read_unlock(); raid_bio->bi_next = (void*)rdev; align_bi->bi_bdev = rdev->bdev; - align_bi->bi_flags &= ~(1 << BIO_SEG_VALID); + __clear_bit(BIO_SEG_VALID, &align_bi->bi_flags); if (!bio_fits_rdev(align_bi) || is_badblock(rdev, align_bi->bi_iter.bi_sector, @@ -5446,7 +5430,6 @@ raid5_skip_copy = __ATTR(skip_copy, S_IRUGO | S_IWUSR, raid5_show_skip_copy, raid5_store_skip_copy); - static ssize_t stripe_cache_active_show(struct mddev *mddev, char *page) { @@ -5898,7 +5881,6 @@ static struct r5conf *setup_conf(struct mddev *mddev) return ERR_PTR(-ENOMEM); } - static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded) { switch (algo) { @@ -5911,7 +5893,7 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded return 1; break; case ALGORITHM_PARITY_0_6: - if (raid_disk == 0 || + if (raid_disk == 0 || raid_disk == raid_disks - 1) return 1; break; @@ -6165,7 +6147,6 @@ static int run(struct mddev *mddev) "reshape"); } - /* Ok, everything is just fine now */ if (mddev->to_remove == &raid5_attrs_group) mddev->to_remove = NULL; @@ -6814,7 +6795,6 @@ static void raid5_quiesce(struct mddev *mddev, int state) } } - static void *raid45_takeover_raid0(struct mddev *mddev, int level) { struct r0conf *raid0_conf = mddev->private; @@ -6841,7 +6821,6 @@ static void *raid45_takeover_raid0(struct mddev *mddev, int level) return setup_conf(mddev); } - static void *raid5_takeover_raid1(struct mddev *mddev) { int chunksect; @@ -6902,7 +6881,6 @@ static void *raid5_takeover_raid6(struct mddev *mddev) return setup_conf(mddev); } - static int raid5_check_reshape(struct mddev *mddev) { /* For a 2-drive array, the layout and chunk size can be changed @@ -7051,7 +7029,6 @@ static void *raid6_takeover(struct mddev *mddev) return setup_conf(mddev); } - static struct md_personality raid6_personality = { .name = "raid6", |