linux/fs/bcachefs/lru.c

// SPDX-License-Identifier: GPL-2.0

#include "bcachefs.h"
#include "alloc_background.h"
#include "btree_iter.h"
#include "btree_update.h"
#include "btree_write_buffer.h"
#include "error.h"
#include "lru.h"
#include "recovery.h"

/* KEY_TYPE_lru is obsolete: */
int bch2_lru_invalid(struct bch_fs *c, struct bkey_s_c k,
		     enum bch_validate_flags flags,
		     struct printbuf *err)
{ … }

void bch2_lru_to_text(struct printbuf *out, struct bch_fs *c,
		      struct bkey_s_c k)
{ … }

void bch2_lru_pos_to_text(struct printbuf *out, struct bpos lru)
{ … }

static int __bch2_lru_set(struct btree_trans *trans, u16 lru_id,
			  u64 dev_bucket, u64 time, bool set)
{ … }

int bch2_lru_del(struct btree_trans *trans, u16 lru_id, u64 dev_bucket, u64 time)
{ … }

int bch2_lru_set(struct btree_trans *trans, u16 lru_id, u64 dev_bucket, u64 time)
{ … }

int bch2_lru_change(struct btree_trans *trans,
		    u16 lru_id, u64 dev_bucket,
		    u64 old_time, u64 new_time)
{ … }

static const char * const bch2_lru_types[] = …;

int bch2_lru_check_set(struct btree_trans *trans,
		       u16 lru_id, u64 time,
		       struct bkey_s_c referring_k,
		       struct bkey_buf *last_flushed)
{ … }

static int bch2_check_lru_key(struct btree_trans *trans,
			      struct btree_iter *lru_iter,
			      struct bkey_s_c lru_k,
			      struct bpos *last_flushed_pos)
{ … }

int bch2_check_lrus(struct bch_fs *c)
{ … }