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| author |   Kent Overstreet <kmo@daterainc.com> | 2013-10-24 17:19:26 -0700 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-11-10 21:56:04 -0800 |
| commit | 72a44517f3ca3725dc86081d105457df46448679 (patch) | |
| tree | 247b859af6c4377ab1ea90fd1fd4e64278ccdbbd /drivers/md/bcache/btree.h | |
| parent | bcache: Convert bucket_wait to wait_queue_head_t (diff) | |
| download | linux-dev-72a44517f3ca3725dc86081d105457df46448679.tar.xz linux-dev-72a44517f3ca3725dc86081d105457df46448679.zip | |
bcache: Convert gc to a kthread
We needed a dedicated rescuer workqueue for gc anyways... and gc was
conceptually a dedicated thread, just one that wasn't running all the
time. Switch it to a dedicated thread to make the code a bit more
straightforward.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md/bcache/btree.h')
| -rw-r--r-- | drivers/md/bcache/btree.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h index d691d954730e..fa9641aaed39 100644 --- a/drivers/md/bcache/btree.h +++ b/drivers/md/bcache/btree.h @@ -388,12 +388,18 @@ int bch_btree_insert(struct btree_op *, struct cache_set *, struct keylist *); int bch_btree_search_recurse(struct btree *, struct btree_op *); -void bch_queue_gc(struct cache_set *); +int bch_gc_thread_start(struct cache_set *); size_t bch_btree_gc_finish(struct cache_set *); -void bch_moving_gc(struct closure *); +void bch_moving_gc(struct cache_set *); int bch_btree_check(struct cache_set *, struct btree_op *); uint8_t __bch_btree_mark_key(struct cache_set *, int, struct bkey *); +static inline void wake_up_gc(struct cache_set *c) +{ + if (c->gc_thread) + wake_up_process(c->gc_thread); +} + void bch_keybuf_init(struct keybuf *); void bch_refill_keybuf(struct cache_set *, struct keybuf *, struct bkey *, keybuf_pred_fn *); |