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Diffstat (limited to 'fs/bcachefs/lru.h')
-rw-r--r--fs/bcachefs/lru.h43
1 files changed, 22 insertions, 21 deletions
diff --git a/fs/bcachefs/lru.h b/fs/bcachefs/lru.h
index 429dca816df5..8abd0aa2083a 100644
--- a/fs/bcachefs/lru.h
+++ b/fs/bcachefs/lru.h
@@ -2,9 +2,6 @@
#ifndef _BCACHEFS_LRU_H
#define _BCACHEFS_LRU_H
-#define LRU_TIME_BITS 48
-#define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1)
-
static inline u64 lru_pos_id(struct bpos pos)
{
return pos.inode >> LRU_TIME_BITS;
@@ -27,42 +24,46 @@ static inline struct bpos lru_pos(u16 lru_id, u64 dev_bucket, u64 time)
return pos;
}
-#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)
-
static inline enum bch_lru_type lru_type(struct bkey_s_c l)
{
u16 lru_id = l.k->p.inode >> 48;
- if (lru_id == BCH_LRU_FRAGMENTATION_START)
+ switch (lru_id) {
+ case BCH_LRU_BUCKET_FRAGMENTATION:
return BCH_LRU_fragmentation;
- return BCH_LRU_read;
+ case BCH_LRU_STRIPE_FRAGMENTATION:
+ return BCH_LRU_stripes;
+ default:
+ return BCH_LRU_read;
+ }
}
-int bch2_lru_invalid(struct bch_fs *, struct bkey_s_c,
- enum bkey_invalid_flags, struct printbuf *);
+int bch2_lru_validate(struct bch_fs *, struct bkey_s_c, struct bkey_validate_context);
void bch2_lru_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
void bch2_lru_pos_to_text(struct printbuf *, struct bpos);
#define bch2_bkey_ops_lru ((struct bkey_ops) { \
- .key_invalid = bch2_lru_invalid, \
+ .key_validate = bch2_lru_validate, \
.val_to_text = bch2_lru_to_text, \
.min_val_size = 8, \
})
int bch2_lru_del(struct btree_trans *, u16, u64, u64);
int bch2_lru_set(struct btree_trans *, u16, u64, u64);
-int bch2_lru_change(struct btree_trans *, u16, u64, u64, u64);
+int __bch2_lru_change(struct btree_trans *, u16, u64, u64, u64);
+
+static inline int bch2_lru_change(struct btree_trans *trans,
+ u16 lru_id, u64 dev_bucket,
+ u64 old_time, u64 new_time)
+{
+ return old_time != new_time
+ ? __bch2_lru_change(trans, lru_id, dev_bucket, old_time, new_time)
+ : 0;
+}
+
+struct bkey_buf;
+int bch2_lru_check_set(struct btree_trans *, u16, u64, u64, struct bkey_s_c, struct bkey_buf *);
int bch2_check_lrus(struct bch_fs *);