f2fs_io.h File Reference

#include <sys/types.h>
#include <sys/ioctl.h>

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Go to the source code of this file.

Classes
struct	fscrypt_policy_v1
struct	fscrypt_policy_v2
struct	fscrypt_get_policy_ex_arg
struct	fsverity_enable_arg
struct	f2fs_gc_range
struct	f2fs_defragment
struct	f2fs_move_range
struct	f2fs_flush_device
struct	f2fs_comp_option

Macros
#define	UNUSED(x)   x
#define	F2FS_DEFAULT_BLKSIZE   4096
#define	NEW_ADDR   0xFFFFFFFF
#define	FS_IOC_GETFLAGS   _IOR('f', 1, long)
#define	FS_IOC_SETFLAGS   _IOW('f', 2, long)
#define	F2FS_IOCTL_MAGIC   0xf5
#define	F2FS_IOC_GETFLAGS   FS_IOC_GETFLAGS
#define	F2FS_IOC_SETFLAGS   FS_IOC_SETFLAGS
#define	F2FS_IOC_START_ATOMIC_WRITE   _IO(F2FS_IOCTL_MAGIC, 1)
#define	F2FS_IOC_COMMIT_ATOMIC_WRITE   _IO(F2FS_IOCTL_MAGIC, 2)
#define	F2FS_IOC_START_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 3)
#define	F2FS_IOC_RELEASE_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 4)
#define	F2FS_IOC_ABORT_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 5)
#define	F2FS_IOC_GARBAGE_COLLECT   _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
#define	F2FS_IOC_WRITE_CHECKPOINT   _IO(F2FS_IOCTL_MAGIC, 7)
#define	F2FS_IOC_DEFRAGMENT
#define	F2FS_IOC_MOVE_RANGE
#define	F2FS_IOC_FLUSH_DEVICE
#define	F2FS_IOC_GARBAGE_COLLECT_RANGE
#define	F2FS_IOC_GET_FEATURES   _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
#define	F2FS_IOC_SET_PIN_FILE   _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
#define	F2FS_IOC_GET_PIN_FILE   _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
#define	F2FS_IOC_PRECACHE_EXTENTS   _IO(F2FS_IOCTL_MAGIC, 15)
#define	F2FS_IOC_RESIZE_FS   _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
#define	F2FS_IOC_GET_COMPRESS_BLOCKS   _IOR(F2FS_IOCTL_MAGIC, 17, __u64)
#define	F2FS_IOC_RELEASE_COMPRESS_BLOCKS    _IOR(F2FS_IOCTL_MAGIC, 18, __u64)
#define	F2FS_IOC_RESERVE_COMPRESS_BLOCKS    _IOR(F2FS_IOCTL_MAGIC, 19, __u64)
#define	F2FS_IOC_GET_COMPRESS_OPTION
#define	F2FS_IOC_SET_COMPRESS_OPTION
#define	F2FS_IOC_DECOMPRESS_FILE   _IO(F2FS_IOCTL_MAGIC, 23)
#define	F2FS_IOC_COMPRESS_FILE   _IO(F2FS_IOCTL_MAGIC, 24)
#define	F2FS_IOC_START_ATOMIC_REPLACE   _IO(F2FS_IOCTL_MAGIC, 25)
#define	F2FS_IOC_GET_DEV_ALIAS_FILE   _IOR(F2FS_IOCTL_MAGIC, 26, __u32)
#define	F2FS_IOC_IO_PRIO   _IOW(F2FS_IOCTL_MAGIC, 27, __u32)
#define	FSCRYPT_POLICY_V1   0
#define	FSCRYPT_KEY_DESCRIPTOR_SIZE   8
#define	FS_IOC_GET_ENCRYPTION_POLICY   _IOW('f', 21, struct fscrypt_policy_v1)
#define	FSCRYPT_POLICY_V2   2
#define	FSCRYPT_KEY_IDENTIFIER_SIZE   16
#define	FS_IOC_GET_ENCRYPTION_POLICY_EX   _IOWR('f', 22, __u8[9]) /* size + version */
#define	F2FS_IOC_SET_ENCRYPTION_POLICY   FS_IOC_SET_ENCRYPTION_POLICY
#define	F2FS_IOC_GET_ENCRYPTION_POLICY   FS_IOC_GET_ENCRYPTION_POLICY
#define	F2FS_IOC_GET_ENCRYPTION_PWSALT   FS_IOC_GET_ENCRYPTION_PWSALT
#define	FS_IOC_ENABLE_VERITY   _IOW('f', 133, struct fsverity_enable_arg)
#define	FS_VERITY_HASH_ALG_SHA256   1
#define	F2FS_NOCOW_FL   0x00800000 /* Do not cow file */
#define	F2FS_IOC_SHUTDOWN   _IOR('X', 125, __u32) /* Shutdown */
#define	F2FS_GOING_DOWN_FULLSYNC   0x0 /* going down with full sync */
#define	F2FS_GOING_DOWN_METASYNC   0x1 /* going down with metadata */
#define	F2FS_GOING_DOWN_NOSYNC   0x2 /* going down */
#define	F2FS_GOING_DOWN_METAFLUSH   0x3 /* going down with meta flush */
#define	F2FS_GOING_DOWN_NEED_FSCK   0x4 /* going down to trigger fsck */
#define	F2FS_GOING_DOWN_MAX   0x5
#define	F2FS_IOC_FSGETXATTR   FS_IOC_FSGETXATTR
#define	F2FS_IOC_FSSETXATTR   FS_IOC_FSSETXATTR
#define	F2FS_SYSTEM_ADVISE_NAME   "system.advise"
#define	FADVISE_COLD_BIT   0x01
#define	FADVISE_LOST_PINO_BIT   0x02
#define	FADVISE_ENCRYPT_BIT   0x04
#define	FADVISE_ENC_NAME_BIT   0x08
#define	FADVISE_KEEP_SIZE_BIT   0x10
#define	FADVISE_HOT_BIT   0x20
#define	FADVISE_VERITY_BIT   0x40
#define	FADVISE_TRUNC_BIT   0x80
#define	FS_IMMUTABLE_FL   0x00000010 /* Immutable file */
#define	FS_ENCRYPT_FL   0x00000800 /* Encrypted file */
#define	FS_VERITY_FL   0x00100000 /* Verity protected inode */
#define	FS_INLINE_DATA_FL   0x10000000 /* Inline data for regular/symlink files */
#define	FS_NOCOW_FL   0x00800000 /* Do not cow file */
#define	FS_NOCOMP_FL   0x00000400 /* Don't compress */
#define	FS_COMPR_FL   0x00000004 /* Compress file */
#define	FS_CASEFOLD_FL   0x40000000 /* Folder is case insensitive */

Typedefs
typedef uint64_t	u64
typedef uint32_t	u32
typedef uint16_t	u16
typedef uint8_t	u8
typedef u8	__u8
typedef u16	__u16
typedef u32	__u32
typedef u16	__le16
typedef u32	__le32
typedef u16	__be16
typedef u32	__be32

Enumerations
enum	{ F2FS_IOPRIO_WRITE = 1 }

Macro Definition Documentation

F2FS_DEFAULT_BLKSIZE

#define F2FS_DEFAULT_BLKSIZE   4096

F2FS_GOING_DOWN_FULLSYNC

#define F2FS_GOING_DOWN_FULLSYNC   0x0 /* going down with full sync */

F2FS_GOING_DOWN_MAX

#define F2FS_GOING_DOWN_MAX   0x5

F2FS_GOING_DOWN_METAFLUSH

#define F2FS_GOING_DOWN_METAFLUSH   0x3 /* going down with meta flush */

F2FS_GOING_DOWN_METASYNC

#define F2FS_GOING_DOWN_METASYNC   0x1 /* going down with metadata */

F2FS_GOING_DOWN_NEED_FSCK

#define F2FS_GOING_DOWN_NEED_FSCK   0x4 /* going down to trigger fsck */

F2FS_GOING_DOWN_NOSYNC

#define F2FS_GOING_DOWN_NOSYNC   0x2 /* going down */

F2FS_IOC_ABORT_VOLATILE_WRITE

#define F2FS_IOC_ABORT_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 5)

F2FS_IOC_COMMIT_ATOMIC_WRITE

#define F2FS_IOC_COMMIT_ATOMIC_WRITE   _IO(F2FS_IOCTL_MAGIC, 2)

F2FS_IOC_COMPRESS_FILE

#define F2FS_IOC_COMPRESS_FILE   _IO(F2FS_IOCTL_MAGIC, 24)

F2FS_IOC_DECOMPRESS_FILE

#define F2FS_IOC_DECOMPRESS_FILE   _IO(F2FS_IOCTL_MAGIC, 23)

F2FS_IOC_DEFRAGMENT

#define F2FS_IOC_DEFRAGMENT

Value:

                        _IOWR(F2FS_IOCTL_MAGIC, 8,  \
                        struct f2fs_defragment)

F2FS_IOC_FLUSH_DEVICE

#define F2FS_IOC_FLUSH_DEVICE

Value:

                        _IOW(F2FS_IOCTL_MAGIC, 10,  \
                        struct f2fs_flush_device)

F2FS_IOC_FSGETXATTR

#define F2FS_IOC_FSGETXATTR   FS_IOC_FSGETXATTR

F2FS_IOC_FSSETXATTR

#define F2FS_IOC_FSSETXATTR   FS_IOC_FSSETXATTR

F2FS_IOC_GARBAGE_COLLECT

#define F2FS_IOC_GARBAGE_COLLECT   _IOW(F2FS_IOCTL_MAGIC, 6, __u32)

F2FS_IOC_GARBAGE_COLLECT_RANGE

#define F2FS_IOC_GARBAGE_COLLECT_RANGE

Value:

                        _IOW(F2FS_IOCTL_MAGIC, 11,  \
                        struct f2fs_gc_range)

F2FS_IOC_GET_COMPRESS_BLOCKS

#define F2FS_IOC_GET_COMPRESS_BLOCKS   _IOR(F2FS_IOCTL_MAGIC, 17, __u64)

F2FS_IOC_GET_COMPRESS_OPTION

#define F2FS_IOC_GET_COMPRESS_OPTION

Value:

                        _IOR(F2FS_IOCTL_MAGIC, 21,      \
                        struct f2fs_comp_option)

F2FS_IOC_GET_DEV_ALIAS_FILE

#define F2FS_IOC_GET_DEV_ALIAS_FILE   _IOR(F2FS_IOCTL_MAGIC, 26, __u32)

F2FS_IOC_GET_ENCRYPTION_POLICY

#define F2FS_IOC_GET_ENCRYPTION_POLICY   FS_IOC_GET_ENCRYPTION_POLICY

F2FS_IOC_GET_ENCRYPTION_PWSALT

#define F2FS_IOC_GET_ENCRYPTION_PWSALT   FS_IOC_GET_ENCRYPTION_PWSALT

F2FS_IOC_GET_FEATURES

#define F2FS_IOC_GET_FEATURES   _IOR(F2FS_IOCTL_MAGIC, 12, __u32)

F2FS_IOC_GET_PIN_FILE

#define F2FS_IOC_GET_PIN_FILE   _IOR(F2FS_IOCTL_MAGIC, 14, __u32)

F2FS_IOC_GETFLAGS

#define F2FS_IOC_GETFLAGS   FS_IOC_GETFLAGS

F2FS_IOC_IO_PRIO

#define F2FS_IOC_IO_PRIO   _IOW(F2FS_IOCTL_MAGIC, 27, __u32)

F2FS_IOC_MOVE_RANGE

#define F2FS_IOC_MOVE_RANGE

Value:

                        _IOWR(F2FS_IOCTL_MAGIC, 9,  \
                        struct f2fs_move_range)

F2FS_IOC_PRECACHE_EXTENTS

#define F2FS_IOC_PRECACHE_EXTENTS   _IO(F2FS_IOCTL_MAGIC, 15)

F2FS_IOC_RELEASE_COMPRESS_BLOCKS

#define F2FS_IOC_RELEASE_COMPRESS_BLOCKS    _IOR(F2FS_IOCTL_MAGIC, 18, __u64)

F2FS_IOC_RELEASE_VOLATILE_WRITE

#define F2FS_IOC_RELEASE_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 4)

F2FS_IOC_RESERVE_COMPRESS_BLOCKS

#define F2FS_IOC_RESERVE_COMPRESS_BLOCKS    _IOR(F2FS_IOCTL_MAGIC, 19, __u64)

F2FS_IOC_RESIZE_FS

#define F2FS_IOC_RESIZE_FS   _IOW(F2FS_IOCTL_MAGIC, 16, __u64)

F2FS_IOC_SET_COMPRESS_OPTION

#define F2FS_IOC_SET_COMPRESS_OPTION

Value:

                        _IOW(F2FS_IOCTL_MAGIC, 22,      \
                        struct f2fs_comp_option)

F2FS_IOC_SET_ENCRYPTION_POLICY

#define F2FS_IOC_SET_ENCRYPTION_POLICY   FS_IOC_SET_ENCRYPTION_POLICY

F2FS_IOC_SET_PIN_FILE

#define F2FS_IOC_SET_PIN_FILE   _IOW(F2FS_IOCTL_MAGIC, 13, __u32)

F2FS_IOC_SETFLAGS

#define F2FS_IOC_SETFLAGS   FS_IOC_SETFLAGS

F2FS_IOC_SHUTDOWN

#define F2FS_IOC_SHUTDOWN   _IOR('X', 125, __u32) /* Shutdown */

F2FS_IOC_START_ATOMIC_REPLACE

#define F2FS_IOC_START_ATOMIC_REPLACE   _IO(F2FS_IOCTL_MAGIC, 25)

F2FS_IOC_START_ATOMIC_WRITE

#define F2FS_IOC_START_ATOMIC_WRITE   _IO(F2FS_IOCTL_MAGIC, 1)

F2FS_IOC_START_VOLATILE_WRITE

#define F2FS_IOC_START_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 3)

F2FS_IOC_WRITE_CHECKPOINT

#define F2FS_IOC_WRITE_CHECKPOINT   _IO(F2FS_IOCTL_MAGIC, 7)

F2FS_IOCTL_MAGIC

#define F2FS_IOCTL_MAGIC   0xf5

F2FS_NOCOW_FL

#define F2FS_NOCOW_FL   0x00800000 /* Do not cow file */

F2FS_SYSTEM_ADVISE_NAME

#define F2FS_SYSTEM_ADVISE_NAME   "system.advise"

FADVISE_COLD_BIT

#define FADVISE_COLD_BIT   0x01

FADVISE_ENC_NAME_BIT

#define FADVISE_ENC_NAME_BIT   0x08

FADVISE_ENCRYPT_BIT

#define FADVISE_ENCRYPT_BIT   0x04

FADVISE_HOT_BIT

#define FADVISE_HOT_BIT   0x20

FADVISE_KEEP_SIZE_BIT

#define FADVISE_KEEP_SIZE_BIT   0x10

FADVISE_LOST_PINO_BIT

#define FADVISE_LOST_PINO_BIT   0x02

FADVISE_TRUNC_BIT

#define FADVISE_TRUNC_BIT   0x80

FADVISE_VERITY_BIT

#define FADVISE_VERITY_BIT   0x40

FS_CASEFOLD_FL

#define FS_CASEFOLD_FL   0x40000000 /* Folder is case insensitive */

FS_COMPR_FL

#define FS_COMPR_FL   0x00000004 /* Compress file */

FS_ENCRYPT_FL

#define FS_ENCRYPT_FL   0x00000800 /* Encrypted file */

FS_IMMUTABLE_FL

#define FS_IMMUTABLE_FL   0x00000010 /* Immutable file */

FS_INLINE_DATA_FL

#define FS_INLINE_DATA_FL   0x10000000 /* Inline data for regular/symlink files */

FS_IOC_ENABLE_VERITY

#define FS_IOC_ENABLE_VERITY   _IOW('f', 133, struct fsverity_enable_arg)

FS_IOC_GET_ENCRYPTION_POLICY

#define FS_IOC_GET_ENCRYPTION_POLICY   _IOW('f', 21, struct fscrypt_policy_v1)

FS_IOC_GET_ENCRYPTION_POLICY_EX

#define FS_IOC_GET_ENCRYPTION_POLICY_EX   _IOWR('f', 22, __u8[9]) /* size + version */

FS_IOC_GETFLAGS

#define FS_IOC_GETFLAGS   _IOR('f', 1, long)

FS_IOC_SETFLAGS

#define FS_IOC_SETFLAGS   _IOW('f', 2, long)

FS_NOCOMP_FL

#define FS_NOCOMP_FL   0x00000400 /* Don't compress */

FS_NOCOW_FL

#define FS_NOCOW_FL   0x00800000 /* Do not cow file */

FS_VERITY_FL

#define FS_VERITY_FL   0x00100000 /* Verity protected inode */

FS_VERITY_HASH_ALG_SHA256

#define FS_VERITY_HASH_ALG_SHA256   1

FSCRYPT_KEY_DESCRIPTOR_SIZE

#define FSCRYPT_KEY_DESCRIPTOR_SIZE   8

FSCRYPT_KEY_IDENTIFIER_SIZE

#define FSCRYPT_KEY_IDENTIFIER_SIZE   16

FSCRYPT_POLICY_V1

#define FSCRYPT_POLICY_V1   0

FSCRYPT_POLICY_V2

#define FSCRYPT_POLICY_V2   2

NEW_ADDR

#define NEW_ADDR   0xFFFFFFFF

UNUSED

#define UNUSED

(

x

)

x

Typedef Documentation

__be16

typedef u16 __be16

__be32

typedef u32 __be32

__le16

typedef u16 __le16

__le32

typedef u32 __le32

__u16

typedef u16 __u16

__u32

typedef u32 __u32

__u8

typedef u8 __u8

u16

typedef uint16_t u16

u32

typedef uint32_t u32

u64

typedef uint64_t u64

u8

typedef uint8_t u8

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
F2FS_IOPRIO_WRITE