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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-12-05 08:31:54 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:09:29 +0300 |
| commit | d326ab2f5de201b9b7e790c653a2b925e7032d3b (patch) | |
| tree | 228f5e7af8165a24b890ffbc7501513dbfd24e63 /fs/bcachefs/lru.h | |
| parent | 179e3434fac14a100bad2edba4fd401bffb67802 (diff) | |
| download | linux-d326ab2f5de201b9b7e790c653a2b925e7032d3b.tar.xz | |
bcachefs: LRU btree
This implements new persistent LRUs, to be used for buckets containing
cached data, as well as stripes ordered by time when a block became
empty.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/lru.h')
| -rw-r--r-- | fs/bcachefs/lru.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/bcachefs/lru.h b/fs/bcachefs/lru.h new file mode 100644 index 000000000000..c3121cfee285 --- /dev/null +++ b/fs/bcachefs/lru.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_LRU_H +#define _BCACHEFS_LRU_H + +const char *bch2_lru_invalid(const struct bch_fs *, struct bkey_s_c); +void bch2_lru_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); + +#define bch2_bkey_ops_lru (struct bkey_ops) { \ + .key_invalid = bch2_lru_invalid, \ + .val_to_text = bch2_lru_to_text, \ +} + +int bch2_lru_change(struct btree_trans *, u64, u64, u64, u64 *); + +#endif /* _BCACHEFS_LRU_H */ |