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md: convert to bioset_init()/mempool_init()

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Convert md to embedded bio sets.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Kent Overstreet
2018-05-20 18:25:52 -04:00
committed by Jens Axboe
parent d19936a266
commit afeee514ce
15 changed files with 159 additions and 181 deletions
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17
drivers/md/md-multipath.c
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@@ -80,7 +80,7 @@ static void multipath_end_bh_io(struct multipath_bh *mp_bh, blk_status_t status)
bio->bi_status = status;
bio_endio(bio);
mempool_free(mp_bh, conf->pool);
mempool_free(mp_bh, &conf->pool);
}
static void multipath_end_request(struct bio *bio)
@@ -117,7 +117,7 @@ static bool multipath_make_request(struct mddev *mddev, struct bio * bio)
return true;
}
mp_bh = mempool_alloc(conf->pool, GFP_NOIO);
mp_bh = mempool_alloc(&conf->pool, GFP_NOIO);
mp_bh->master_bio = bio;
mp_bh->mddev = mddev;
@@ -125,7 +125,7 @@ static bool multipath_make_request(struct mddev *mddev, struct bio * bio)
mp_bh->path = multipath_map(conf);
if (mp_bh->path < 0) {
bio_io_error(bio);
mempool_free(mp_bh, conf->pool);
mempool_free(mp_bh, &conf->pool);
return true;
}
multipath = conf->multipaths + mp_bh->path;
@@ -378,6 +378,7 @@ static int multipath_run (struct mddev *mddev)
struct multipath_info *disk;
struct md_rdev *rdev;
int working_disks;
int ret;
if (md_check_no_bitmap(mddev))
return -EINVAL;
@@ -431,9 +432,9 @@ static int multipath_run (struct mddev *mddev)
}
mddev->degraded = conf->raid_disks - working_disks;
conf->pool = mempool_create_kmalloc_pool(NR_RESERVED_BUFS,
sizeof(struct multipath_bh));
if (conf->pool == NULL)
ret = mempool_init_kmalloc_pool(&conf->pool, NR_RESERVED_BUFS,
sizeof(struct multipath_bh));
if (ret)
goto out_free_conf;
mddev->thread = md_register_thread(multipathd, mddev,
@@ -455,7 +456,7 @@ static int multipath_run (struct mddev *mddev)
return 0;
out_free_conf:
mempool_destroy(conf->pool);
mempool_exit(&conf->pool);
kfree(conf->multipaths);
kfree(conf);
mddev->private = NULL;
@@ -467,7 +468,7 @@ static void multipath_free(struct mddev *mddev, void *priv)
{
struct mpconf *conf = priv;
mempool_destroy(conf->pool);
mempool_exit(&conf->pool);
kfree(conf->multipaths);
kfree(conf);
}