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bcache: Remove deprecated create_workqueue

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alloc_workqueue replaces deprecated create_workqueue().

Dedicated workqueues have been used since bcache_wq and moving_gc_wq
are workqueues for writes and are being used on a memory reclaim path.
WQ_MEM_RECLAIM has been set to ensure forward progress under memory
pressure.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary here.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Bhaktipriya Shridhar 2016-06-08 01:57:19 +05:30 committed by Jens Axboe
parent 288dab8a35
commit 81baf90af2
1 changed files with 3 additions and 2 deletions
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5
drivers/md/bcache/super.c
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@ -1520,7 +1520,8 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
!(c->fill_iter = mempool_create_kmalloc_pool(1, iter_size)) ||
!(c->bio_split = bioset_create(4, offsetof(struct bbio, bio))) ||
!(c->uuids = alloc_bucket_pages(GFP_KERNEL, c)) ||
!(c->moving_gc_wq = create_workqueue("bcache_gc")) ||
!(c->moving_gc_wq = alloc_workqueue("bcache_gc",
WQ_MEM_RECLAIM, 0)) ||
bch_journal_alloc(c) ||
bch_btree_cache_alloc(c) ||
bch_open_buckets_alloc(c) ||
@ -2099,7 +2100,7 @@ static int __init bcache_init(void)
return bcache_major;
}
if (!(bcache_wq = create_workqueue("bcache")) ||
if (!(bcache_wq = alloc_workqueue("bcache", WQ_MEM_RECLAIM, 0)) ||
!(bcache_kobj = kobject_create_and_add("bcache", fs_kobj)) ||
sysfs_create_files(bcache_kobj, files) ||
bch_request_init() ||