2 * ioctl.h - f2fs ioctl header
4 * Authors: Jaegeuk Kim <jaegeuk@kernel.org>
10 #ifdef HAVE_LINUX_TYPES_H
11 #include <linux/types.h>
13 #ifdef HAVE_LINUX_FIEMAP_H
14 #include <linux/fiemap.h>
16 #ifdef HAVE_LINUX_FS_H
20 #include <sys/types.h>
23 #elif defined(__GNUC__)
24 # define UNUSED(x) UNUSED_ ## x __attribute__((unused))
25 #elif defined(__LCLINT__)
27 #elif defined(__cplusplus)
33 typedef u_int64_t u64;
34 typedef u_int32_t u32;
35 typedef u_int16_t u16;
38 #ifndef HAVE_LINUX_TYPES_H
48 #define F2FS_BLKSIZE 4096
49 #define NEW_ADDR 0xFFFFFFFF
51 #ifndef FS_IOC_GETFLAGS
52 #define FS_IOC_GETFLAGS _IOR('f', 1, long)
54 #ifndef FS_IOC_SETFLAGS
55 #define FS_IOC_SETFLAGS _IOW('f', 2, long)
58 #define F2FS_IOCTL_MAGIC 0xf5
59 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
60 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
62 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
63 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
64 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
65 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
66 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
67 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
68 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
69 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
70 struct f2fs_defragment)
71 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
72 struct f2fs_move_range)
73 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
74 struct f2fs_flush_device)
75 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
77 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
78 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
79 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
80 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
81 #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
82 #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64)
83 #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \
84 _IOR(F2FS_IOCTL_MAGIC, 18, __u64)
85 #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \
86 _IOR(F2FS_IOCTL_MAGIC, 19, __u64)
88 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
89 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
90 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
92 #define FS_IOC_ENABLE_VERITY _IO('f', 133)
97 #define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */
100 * should be same as XFS_IOC_GOINGDOWN.
101 * Flags for going down operation used by FS_IOC_GOINGDOWN
103 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
104 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
105 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
106 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
107 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
108 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
109 #define F2FS_GOING_DOWN_MAX 0x5
111 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
113 * ioctl commands in 32 bit emulation
115 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
116 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
117 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
120 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
121 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
123 #ifndef FS_ENCRYPT_FL
124 #define FS_ENCRYPT_FL 0x00000800 /* Encrypted file */
127 #define FS_VERITY_FL 0x00100000 /* Verity protected inode */
129 #ifndef FS_INLINE_DATA_FL
130 #define FS_INLINE_DATA_FL 0x10000000 /* Inline data for regular/symlink files */
133 #define FS_NOCOW_FL 0x00800000 /* Do not cow file */
136 #define FS_NOCOMP_FL 0x00000400 /* Don't compress */
139 #define FS_COMPR_FL 0x00000004 /* Compress file */
141 #ifndef FS_CASEFOLD_FL
142 #define FS_CASEFOLD_FL 0x40000000 /* Folder is case insensitive */
145 struct f2fs_gc_range {
151 struct f2fs_defragment {
156 struct f2fs_move_range {
157 u32 dst_fd; /* destination fd */
158 u64 pos_in; /* start position in src_fd */
159 u64 pos_out; /* start position in dst_fd */
160 u64 len; /* size to move */
163 struct f2fs_flush_device {
164 u32 dev_num; /* device number to flush */
165 u32 segments; /* # of segments to flush */