diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-06 18:56:59 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-10 13:17:16 -0400 |
| commit | 5ae67abcdfdfa49de84be00320ffe8a669ef674f (patch) | |
| tree | 9cfe080089fc9f1f5978def0ab34cd62dd9567ab /fs/bcachefs/io_read.c | |
| parent | 26447d224a7f48f669bf95a98fa29c8f50da4d63 (diff) | |
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/io_read.c')
| -rw-r--r-- | fs/bcachefs/io_read.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/bcachefs/io_read.c b/fs/bcachefs/io_read.c index f57486794484..862b79f86b91 100644 --- a/fs/bcachefs/io_read.c +++ b/fs/bcachefs/io_read.c @@ -84,9 +84,10 @@ struct promote_op { }; static const struct rhashtable_params bch_promote_params = { - .head_offset = offsetof(struct promote_op, hash), - .key_offset = offsetof(struct promote_op, pos), - .key_len = sizeof(struct bpos), + .head_offset = offsetof(struct promote_op, hash), + .key_offset = offsetof(struct promote_op, pos), + .key_len = sizeof(struct bpos), + .automatic_shrinking = true, }; static inline int should_promote(struct bch_fs *c, struct bkey_s_c k, |