1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1
2
3 #ifndef _UAPI_LINUX_F2FS_H
4 #define _UAPI_LINUX_F2FS_H
5 #include <linux/types.h>
6 #include <linux/ioctl.h>
7
8 /*
9 * f2fs-specific ioctl commands
10 */
11 #define F2FS_IOCTL_MAGIC 0xf5
12 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2
13 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2
14 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2
15 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2
16 #define F2FS_IOC_ABORT_ATOMIC_WRITE _IO(F2
17 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F
18 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2
19 #define F2FS_IOC_DEFRAGMENT _IOWR(
20
21 #define F2FS_IOC_MOVE_RANGE _IOWR(
22
23 #define F2FS_IOC_FLUSH_DEVICE _IOW(F
24
25 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F
26
27 #define F2FS_IOC_GET_FEATURES _IOR(F
28 #define F2FS_IOC_SET_PIN_FILE _IOW(F
29 #define F2FS_IOC_GET_PIN_FILE _IOR(F
30 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2
31 #define F2FS_IOC_RESIZE_FS _IOW(F
32 #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F
33 #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS
34 _IOR(F
35 #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS
36 _IOR(F
37 #define F2FS_IOC_SEC_TRIM_FILE _IOW(F
38
39 #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F
40
41 #define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F
42
43 #define F2FS_IOC_DECOMPRESS_FILE _IO(F2
44 #define F2FS_IOC_COMPRESS_FILE _IO(F2
45 #define F2FS_IOC_START_ATOMIC_REPLACE _IO(F2
46
47 /*
48 * should be same as XFS_IOC_GOINGDOWN.
49 * Flags for going down operation used by FS_I
50 */
51 #define F2FS_IOC_SHUTDOWN _IOR('X', 125,
52 #define F2FS_GOING_DOWN_FULLSYNC 0x0
53 #define F2FS_GOING_DOWN_METASYNC 0x1
54 #define F2FS_GOING_DOWN_NOSYNC 0x2
55 #define F2FS_GOING_DOWN_METAFLUSH 0x3
56 #define F2FS_GOING_DOWN_NEED_FSCK 0x4
57
58 /*
59 * Flags used by F2FS_IOC_SEC_TRIM_FILE
60 */
61 #define F2FS_TRIM_FILE_DISCARD 0x1
62 #define F2FS_TRIM_FILE_ZEROOUT 0x2
63 #define F2FS_TRIM_FILE_MASK 0x3
64
65 struct f2fs_gc_range {
66 __u32 sync;
67 __u64 start;
68 __u64 len;
69 };
70
71 struct f2fs_defragment {
72 __u64 start;
73 __u64 len;
74 };
75
76 struct f2fs_move_range {
77 __u32 dst_fd; /* destination
78 __u64 pos_in; /* start posit
79 __u64 pos_out; /* start posit
80 __u64 len; /* size to mov
81 };
82
83 struct f2fs_flush_device {
84 __u32 dev_num; /* device numb
85 __u32 segments; /* # of segmen
86 };
87
88 struct f2fs_sectrim_range {
89 __u64 start;
90 __u64 len;
91 __u64 flags;
92 };
93
94 struct f2fs_comp_option {
95 __u8 algorithm;
96 __u8 log_cluster_size;
97 };
98
99 #endif /* _UAPI_LINUX_F2FS_H */
100
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.