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author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-05-20 18:25:52 -0400 |
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committer | Jens Axboe <axboe@kernel.dk> | 2018-05-30 15:33:32 -0600 |
commit | afeee514ce7f4cab605beedd03be71ebaf0c5fc8 (patch) | |
tree | ca0a4f7ec08eec11b74e79e2f31afa8a9a836db7 /drivers/md/raid1.c | |
parent | d19936a26658a7a53edd5619d631ee2c2c3151a2 (diff) | |
download | linux-afeee514ce7f4cab605beedd03be71ebaf0c5fc8.tar.gz linux-afeee514ce7f4cab605beedd03be71ebaf0c5fc8.tar.bz2 linux-afeee514ce7f4cab605beedd03be71ebaf0c5fc8.zip |
md: convert to bioset_init()/mempool_init()
Convert md to embedded bio sets.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r-- | drivers/md/raid1.c | 76 |
1 files changed, 37 insertions, 39 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index e9e3308cb0a7..bad28520719b 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -221,7 +221,7 @@ static void free_r1bio(struct r1bio *r1_bio) struct r1conf *conf = r1_bio->mddev->private; put_all_bios(conf, r1_bio); - mempool_free(r1_bio, conf->r1bio_pool); + mempool_free(r1_bio, &conf->r1bio_pool); } static void put_buf(struct r1bio *r1_bio) @@ -236,7 +236,7 @@ static void put_buf(struct r1bio *r1_bio) rdev_dec_pending(conf->mirrors[i].rdev, r1_bio->mddev); } - mempool_free(r1_bio, conf->r1buf_pool); + mempool_free(r1_bio, &conf->r1buf_pool); lower_barrier(conf, sect); } @@ -1178,7 +1178,7 @@ alloc_r1bio(struct mddev *mddev, struct bio *bio) struct r1conf *conf = mddev->private; struct r1bio *r1_bio; - r1_bio = mempool_alloc(conf->r1bio_pool, GFP_NOIO); + r1_bio = mempool_alloc(&conf->r1bio_pool, GFP_NOIO); /* Ensure no bio records IO_BLOCKED */ memset(r1_bio->bios, 0, conf->raid_disks * sizeof(r1_bio->bios[0])); init_r1bio(r1_bio, mddev, bio); @@ -1268,7 +1268,7 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio, if (max_sectors < bio_sectors(bio)) { struct bio *split = bio_split(bio, max_sectors, - gfp, conf->bio_split); + gfp, &conf->bio_split); bio_chain(split, bio); generic_make_request(bio); bio = split; @@ -1278,7 +1278,7 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio, r1_bio->read_disk = rdisk; - read_bio = bio_clone_fast(bio, gfp, mddev->bio_set); + read_bio = bio_clone_fast(bio, gfp, &mddev->bio_set); r1_bio->bios[rdisk] = read_bio; @@ -1439,7 +1439,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, if (max_sectors < bio_sectors(bio)) { struct bio *split = bio_split(bio, max_sectors, - GFP_NOIO, conf->bio_split); + GFP_NOIO, &conf->bio_split); bio_chain(split, bio); generic_make_request(bio); bio = split; @@ -1479,9 +1479,9 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, if (r1_bio->behind_master_bio) mbio = bio_clone_fast(r1_bio->behind_master_bio, - GFP_NOIO, mddev->bio_set); + GFP_NOIO, &mddev->bio_set); else - mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set); + mbio = bio_clone_fast(bio, GFP_NOIO, &mddev->bio_set); if (r1_bio->behind_master_bio) { if (test_bit(WriteMostly, &conf->mirrors[i].rdev->flags)) @@ -1657,8 +1657,7 @@ static void close_sync(struct r1conf *conf) _allow_barrier(conf, idx); } - mempool_destroy(conf->r1buf_pool); - conf->r1buf_pool = NULL; + mempool_exit(&conf->r1buf_pool); } static int raid1_spare_active(struct mddev *mddev) @@ -2348,10 +2347,10 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) if (test_bit(R1BIO_BehindIO, &r1_bio->state)) { wbio = bio_clone_fast(r1_bio->behind_master_bio, GFP_NOIO, - mddev->bio_set); + &mddev->bio_set); } else { wbio = bio_clone_fast(r1_bio->master_bio, GFP_NOIO, - mddev->bio_set); + &mddev->bio_set); } bio_set_op_attrs(wbio, REQ_OP_WRITE, 0); @@ -2564,17 +2563,15 @@ static int init_resync(struct r1conf *conf) int buffs; buffs = RESYNC_WINDOW / RESYNC_BLOCK_SIZE; - BUG_ON(conf->r1buf_pool); - conf->r1buf_pool = mempool_create(buffs, r1buf_pool_alloc, r1buf_pool_free, - conf->poolinfo); - if (!conf->r1buf_pool) - return -ENOMEM; - return 0; + BUG_ON(mempool_initialized(&conf->r1buf_pool)); + + return mempool_init(&conf->r1buf_pool, buffs, r1buf_pool_alloc, + r1buf_pool_free, conf->poolinfo); } static struct r1bio *raid1_alloc_init_r1buf(struct r1conf *conf) { - struct r1bio *r1bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO); + struct r1bio *r1bio = mempool_alloc(&conf->r1buf_pool, GFP_NOIO); struct resync_pages *rps; struct bio *bio; int i; @@ -2617,7 +2614,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, int idx = sector_to_idx(sector_nr); int page_idx = 0; - if (!conf->r1buf_pool) + if (!mempool_initialized(&conf->r1buf_pool)) if (init_resync(conf)) return 0; @@ -2953,14 +2950,13 @@ static struct r1conf *setup_conf(struct mddev *mddev) if (!conf->poolinfo) goto abort; conf->poolinfo->raid_disks = mddev->raid_disks * 2; - conf->r1bio_pool = mempool_create(NR_RAID1_BIOS, r1bio_pool_alloc, - r1bio_pool_free, - conf->poolinfo); - if (!conf->r1bio_pool) + err = mempool_init(&conf->r1bio_pool, NR_RAID1_BIOS, r1bio_pool_alloc, + r1bio_pool_free, conf->poolinfo); + if (err) goto abort; - conf->bio_split = bioset_create(BIO_POOL_SIZE, 0, 0); - if (!conf->bio_split) + err = bioset_init(&conf->bio_split, BIO_POOL_SIZE, 0, 0); + if (err) goto abort; conf->poolinfo->mddev = mddev; @@ -3033,7 +3029,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) abort: if (conf) { - mempool_destroy(conf->r1bio_pool); + mempool_exit(&conf->r1bio_pool); kfree(conf->mirrors); safe_put_page(conf->tmppage); kfree(conf->poolinfo); @@ -3041,8 +3037,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) kfree(conf->nr_waiting); kfree(conf->nr_queued); kfree(conf->barrier); - if (conf->bio_split) - bioset_free(conf->bio_split); + bioset_exit(&conf->bio_split); kfree(conf); } return ERR_PTR(err); @@ -3144,7 +3139,7 @@ static void raid1_free(struct mddev *mddev, void *priv) { struct r1conf *conf = priv; - mempool_destroy(conf->r1bio_pool); + mempool_exit(&conf->r1bio_pool); kfree(conf->mirrors); safe_put_page(conf->tmppage); kfree(conf->poolinfo); @@ -3152,8 +3147,7 @@ static void raid1_free(struct mddev *mddev, void *priv) kfree(conf->nr_waiting); kfree(conf->nr_queued); kfree(conf->barrier); - if (conf->bio_split) - bioset_free(conf->bio_split); + bioset_exit(&conf->bio_split); kfree(conf); } @@ -3199,13 +3193,17 @@ static int raid1_reshape(struct mddev *mddev) * At the same time, we "pack" the devices so that all the missing * devices have the higher raid_disk numbers. */ - mempool_t *newpool, *oldpool; + mempool_t newpool, oldpool; struct pool_info *newpoolinfo; struct raid1_info *newmirrors; struct r1conf *conf = mddev->private; int cnt, raid_disks; unsigned long flags; int d, d2; + int ret; + + memset(&newpool, 0, sizeof(newpool)); + memset(&oldpool, 0, sizeof(oldpool)); /* Cannot change chunk_size, layout, or level */ if (mddev->chunk_sectors != mddev->new_chunk_sectors || @@ -3237,17 +3235,17 @@ static int raid1_reshape(struct mddev *mddev) newpoolinfo->mddev = mddev; newpoolinfo->raid_disks = raid_disks * 2; - newpool = mempool_create(NR_RAID1_BIOS, r1bio_pool_alloc, - r1bio_pool_free, newpoolinfo); - if (!newpool) { + ret = mempool_init(&newpool, NR_RAID1_BIOS, r1bio_pool_alloc, + r1bio_pool_free, newpoolinfo); + if (ret) { kfree(newpoolinfo); - return -ENOMEM; + return ret; } newmirrors = kzalloc(sizeof(struct raid1_info) * raid_disks * 2, GFP_KERNEL); if (!newmirrors) { kfree(newpoolinfo); - mempool_destroy(newpool); + mempool_exit(&newpool); return -ENOMEM; } @@ -3287,7 +3285,7 @@ static int raid1_reshape(struct mddev *mddev) set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); - mempool_destroy(oldpool); + mempool_exit(&oldpool); return 0; } |