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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-19 09:00:11 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-07-14 19:00:16 -0400 |
| commit | 7aa7183e00d92539c61b3a01a7ebf676b0ecb91e (patch) | |
| tree | 25ae84077a6ece3dce37b08d76d6d2a09c76ab3f /fs/bcachefs/lru_format.h | |
| parent | 789566da258f27ec5bffd4ae685306c71d7b4809 (diff) | |
bcachefs: split out lru_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/lru_format.h')
| -rw-r--r-- | fs/bcachefs/lru_format.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/bcachefs/lru_format.h b/fs/bcachefs/lru_format.h new file mode 100644 index 000000000000..f372cb3b8cda --- /dev/null +++ b/fs/bcachefs/lru_format.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_LRU_FORMAT_H +#define _BCACHEFS_LRU_FORMAT_H + +struct bch_lru { + struct bch_val v; + __le64 idx; +} __packed __aligned(8); + +#define BCH_LRU_TYPES() \ + x(read) \ + x(fragmentation) + +enum bch_lru_type { +#define x(n) BCH_LRU_##n, + BCH_LRU_TYPES() +#undef x +}; + +#define BCH_LRU_FRAGMENTATION_START ((1U << 16) - 1) + +#define LRU_TIME_BITS 48 +#define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1) + +#endif /* _BCACHEFS_LRU_FORMAT_H */ |