1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2
3 #ifndef BTRFS_FILE_ITEM_H
4 #define BTRFS_FILE_ITEM_H
5
6 #include <linux/list.h>
7 #include <uapi/linux/btrfs_tree.h>
8 #include "accessors.h"
9
10 struct extent_map;
11 struct btrfs_file_extent_item;
12 struct btrfs_fs_info;
13 struct btrfs_path;
14 struct btrfs_bio;
15 struct btrfs_trans_handle;
16 struct btrfs_root;
17 struct btrfs_ordered_sum;
18 struct btrfs_path;
19 struct btrfs_inode;
20
21 #define BTRFS_FILE_EXTENT_INLINE_DATA_START
22 (offsetof(struct btrfs_file_ex
23
24 static inline u32 BTRFS_MAX_INLINE_DATA_SIZE(c
25 {
26 return BTRFS_MAX_ITEM_SIZE(info) - BTR
27 }
28
29 /*
30 * Return the number of bytes used by the item
31 * extent headers. If a file is compressed on
32 * size.
33 */
34 static inline u32 btrfs_file_extent_inline_ite
35
36
37 {
38 return btrfs_item_size(eb, nr) - BTRFS
39 }
40
41 static inline unsigned long btrfs_file_extent_
42 const struct b
43 {
44 return (unsigned long)e + BTRFS_FILE_E
45 }
46
47 static inline u32 btrfs_file_extent_calc_inlin
48 {
49 return BTRFS_FILE_EXTENT_INLINE_DATA_S
50 }
51
52 int btrfs_del_csums(struct btrfs_trans_handle
53 struct btrfs_root *root, u
54 blk_status_t btrfs_lookup_bio_sums(struct btrf
55 int btrfs_insert_hole_extent(struct btrfs_tran
56 struct btrfs_root
57 u64 num_bytes);
58 int btrfs_lookup_file_extent(struct btrfs_tran
59 struct btrfs_root
60 struct btrfs_path
61 u64 bytenr, int m
62 int btrfs_csum_file_blocks(struct btrfs_trans_
63 struct btrfs_root *
64 struct btrfs_ordere
65 blk_status_t btrfs_csum_one_bio(struct btrfs_b
66 blk_status_t btrfs_alloc_dummy_sum(struct btrf
67 int btrfs_lookup_csums_range(struct btrfs_root
68 struct list_head
69 bool nowait);
70 int btrfs_lookup_csums_list(struct btrfs_root
71 struct list_head *
72 int btrfs_lookup_csums_bitmap(struct btrfs_roo
73 u64 start, u64 e
74 unsigned long *c
75 void btrfs_extent_item_to_extent_map(struct bt
76 const str
77 const str
78 struct ex
79 int btrfs_inode_clear_file_extent_range(struct
80 u64 le
81 int btrfs_inode_set_file_extent_range(struct b
82 void btrfs_inode_safe_disk_i_size_write(struct
83 u64 btrfs_file_extent_end(const struct btrfs_p
84
85 #endif
86
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