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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-07 00:56:59 +0200 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-10 19:17:16 +0200 |
| commit | 5ae67abcdfdfa49de84be00320ffe8a669ef674f (patch) | |
| tree | 9cfe080089fc9f1f5978def0ab34cd62dd9567ab /fs/bcachefs/btree_key_cache.c | |
| parent | bcachefs: fix the display format for show-super (diff) | |
| download | linux-5ae67abcdfdfa49de84be00320ffe8a669ef674f.tar.xz linux-5ae67abcdfdfa49de84be00320ffe8a669ef674f.zip | |
bcachefs: Enable automatic shrinking for rhashtables
Since the key cache shrinker walks the rhashtable, a mostly empty
rhashtable leads to really nasty reclaim performance issues.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_key_cache.c')
| -rw-r--r-- | fs/bcachefs/btree_key_cache.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index 34056aaece00..fb731d52b1ec 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -32,10 +32,11 @@ static int bch2_btree_key_cache_cmp_fn(struct rhashtable_compare_arg *arg, } static const struct rhashtable_params bch2_btree_key_cache_params = { - .head_offset = offsetof(struct bkey_cached, hash), - .key_offset = offsetof(struct bkey_cached, key), - .key_len = sizeof(struct bkey_cached_key), - .obj_cmpfn = bch2_btree_key_cache_cmp_fn, + .head_offset = offsetof(struct bkey_cached, hash), + .key_offset = offsetof(struct bkey_cached, key), + .key_len = sizeof(struct bkey_cached_key), + .obj_cmpfn = bch2_btree_key_cache_cmp_fn, + .automatic_shrinking = true, }; __flatten |