linux - fs/btrfs/delalloc-space.h

31 lines · 1.3 KiB

1	/* SPDX-License-Identifier: GPL-2.0 */
2
3	#ifndef BTRFS_DELALLOC_SPACE_H
4	#define BTRFS_DELALLOC_SPACE_H
5
6	#include <linux/types.h>
7
8	struct extent_changeset;
9	struct btrfs_inode;
10	struct btrfs_fs_info;
11
12	int btrfs_alloc_data_chunk_ondemand(const struct btrfs_inode *inode, u64 bytes);
13	int btrfs_check_data_free_space(struct btrfs_inode *inode,
14	struct extent_changeset **reserved, u64 start, u64 len,
15	bool noflush);
16	void btrfs_free_reserved_data_space(struct btrfs_inode *inode,
17	struct extent_changeset *reserved, u64 start, u64 len);
18	void btrfs_delalloc_release_space(struct btrfs_inode *inode,
19	struct extent_changeset *reserved,
20	u64 start, u64 len, bool qgroup_free);
21	void btrfs_free_reserved_data_space_noquota(struct btrfs_inode *inode, u64 len);
22	void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes,
23	bool qgroup_free);
24	int btrfs_delalloc_reserve_space(struct btrfs_inode *inode,
25	struct extent_changeset **reserved, u64 start, u64 len);
26	int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes,
27	u64 disk_num_bytes, bool noflush);
28	void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes);
29	void btrfs_delalloc_shrink_extents(struct btrfs_inode *inode, u64 reserved_len, u64 new_len);
30
31	#endif /* BTRFS_DELALLOC_SPACE_H */