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| author | Kent Overstreet <kmo@daterainc.com> | 2013-07-24 17:27:07 -0700 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-11-10 21:56:03 -0800 |
| commit | e8e1d4682c8cb06dbcb5ef7bb851bf9bcb889c84 (patch) | |
| tree | 8e2287b8e21ccb51518b7e2e9d54ab9b4714b7bb /drivers/md/bcache/btree.h | |
| parent | 0b93207abb40d3c42bb83eba1e1e7edc1da77810 (diff) | |
| download | op-kernel-dev-e8e1d4682c8cb06dbcb5ef7bb851bf9bcb889c84.zip op-kernel-dev-e8e1d4682c8cb06dbcb5ef7bb851bf9bcb889c84.tar.gz | |
bcache: Convert try_wait to wait_queue_head_t
We never waited on c->try_wait asynchronously, so just use the standard
primitives.
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, 7 insertions, 3 deletions
diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h index 17b7a4e..72794ab 100644 --- a/drivers/md/bcache/btree.h +++ b/drivers/md/bcache/btree.h @@ -326,7 +326,7 @@ static inline void rw_unlock(bool w, struct btree *b) ({ \ int _r, l = (b)->level - 1; \ bool _w = l <= (op)->lock; \ - struct btree *_child = bch_btree_node_get((b)->c, key, l, op); \ + struct btree *_child = bch_btree_node_get((b)->c, key, l, _w); \ if (!IS_ERR(_child)) { \ _child->parent = (b); \ _r = bch_btree_ ## fn(_child, op, ##__VA_ARGS__); \ @@ -356,6 +356,11 @@ static inline void rw_unlock(bool w, struct btree *b) } \ rw_unlock(_w, _b); \ bch_cannibalize_unlock(c, &(op)->cl); \ + if (_r == -ENOSPC) { \ + wait_event((c)->try_wait, \ + !(c)->try_harder); \ + _r = -EINTR; \ + } \ } while (_r == -EINTR); \ \ _r; \ @@ -375,8 +380,7 @@ void bch_btree_node_write(struct btree *, struct closure *); void bch_cannibalize_unlock(struct cache_set *, struct closure *); void bch_btree_set_root(struct btree *); struct btree *bch_btree_node_alloc(struct cache_set *, int, struct closure *); -struct btree *bch_btree_node_get(struct cache_set *, struct bkey *, - int, struct btree_op *); +struct btree *bch_btree_node_get(struct cache_set *, struct bkey *, int, bool); int bch_btree_insert_check_key(struct btree *, struct btree_op *, struct bkey *); |
