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| author | Kent Overstreet <kmo@daterainc.com> | 2013-12-10 22:24:26 +0100 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2014-01-08 22:05:07 +0100 |
| commit | b0f32a56f27eb0df4124dbfc8eb6f09f423eed99 (patch) | |
| tree | 5c4faa7b7720196777d63a2fdfa63ff6b716c651 /drivers/md | |
| parent | bcache: Performance fix for when journal entry is full (diff) | |
| download | linux-b0f32a56f27eb0df4124dbfc8eb6f09f423eed99.tar.xz linux-b0f32a56f27eb0df4124dbfc8eb6f09f423eed99.zip | |
bcache: Minor btree cache fix
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/btree.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 946ecd3b048b..aaa87b3be9ef 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -714,14 +714,10 @@ static unsigned long bch_mca_scan(struct shrinker *shrink, } } - /* - * Can happen right when we first start up, before we've read in any - * btree nodes - */ - if (list_empty(&c->btree_cache)) - goto out; - for (i = 0; (nr--) && i < c->bucket_cache_used; i++) { + if (list_empty(&c->btree_cache)) + goto out; + b = list_first_entry(&c->btree_cache, struct btree, list); list_rotate_left(&c->btree_cache); |