linux/fs/bcachefs/btree_write_buffer.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BTREE_WRITE_BUFFER_H
#define _BCACHEFS_BTREE_WRITE_BUFFER_H

#include "bkey.h"
#include "disk_accounting.h"

static inline bool bch2_btree_write_buffer_should_flush(struct bch_fs *c)
{ … }

static inline bool bch2_btree_write_buffer_must_wait(struct bch_fs *c)
{ … }

struct btree_trans;
int bch2_btree_write_buffer_flush_sync(struct btree_trans *);
int bch2_btree_write_buffer_flush_nocheck_rw(struct btree_trans *);
int bch2_btree_write_buffer_tryflush(struct btree_trans *);

struct bkey_buf;
int bch2_btree_write_buffer_maybe_flush(struct btree_trans *, struct bkey_s_c, struct bkey_buf *);

struct journal_keys_to_wb { … };

static inline int wb_key_cmp(const void *_l, const void *_r)
{ … }

int bch2_accounting_key_to_wb_slowpath(struct bch_fs *,
			      enum btree_id, struct bkey_i_accounting *);

static inline int bch2_accounting_key_to_wb(struct bch_fs *c,
			     enum btree_id btree, struct bkey_i_accounting *k)
{ … }

int bch2_journal_key_to_wb_slowpath(struct bch_fs *,
			     struct journal_keys_to_wb *,
			     enum btree_id, struct bkey_i *);

static inline int __bch2_journal_key_to_wb(struct bch_fs *c,
			     struct journal_keys_to_wb *dst,
			     enum btree_id btree, struct bkey_i *k)
{ … }

static inline int bch2_journal_key_to_wb(struct bch_fs *c,
			     struct journal_keys_to_wb *dst,
			     enum btree_id btree, struct bkey_i *k)
{ … }

void bch2_journal_keys_to_write_buffer_start(struct bch_fs *, struct journal_keys_to_wb *, u64);
int bch2_journal_keys_to_write_buffer_end(struct bch_fs *, struct journal_keys_to_wb *);

int bch2_btree_write_buffer_resize(struct bch_fs *, size_t);
void bch2_fs_btree_write_buffer_exit(struct bch_fs *);
int bch2_fs_btree_write_buffer_init(struct bch_fs *);

#endif /* _BCACHEFS_BTREE_WRITE_BUFFER_H */