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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2 3#ifndef _UAPI_LINUX_F2FS_H4#define _UAPI_LINUX_F2FS_H5#include <linux/types.h>6#include <linux/ioctl.h>7 8/*9 * f2fs-specific ioctl commands10 */11#define F2FS_IOCTL_MAGIC 0xf512#define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)13#define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)14#define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)15#define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)16#define F2FS_IOC_ABORT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 5)17#define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)18#define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)19#define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \20 struct f2fs_defragment)21#define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \22 struct f2fs_move_range)23#define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \24 struct f2fs_flush_device)25#define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \26 struct f2fs_gc_range)27#define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)28#define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)29#define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)30#define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)31#define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)32#define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64)33#define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \34 _IOR(F2FS_IOCTL_MAGIC, 18, __u64)35#define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \36 _IOR(F2FS_IOCTL_MAGIC, 19, __u64)37#define F2FS_IOC_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \38 struct f2fs_sectrim_range)39#define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \40 struct f2fs_comp_option)41#define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \42 struct f2fs_comp_option)43#define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23)44#define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24)45#define F2FS_IOC_START_ATOMIC_REPLACE _IO(F2FS_IOCTL_MAGIC, 25)46 47/*48 * should be same as XFS_IOC_GOINGDOWN.49 * Flags for going down operation used by FS_IOC_GOINGDOWN50 */51#define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */52#define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */53#define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */54#define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */55#define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */56#define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */57 58/*59 * Flags used by F2FS_IOC_SEC_TRIM_FILE60 */61#define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */62#define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */63#define F2FS_TRIM_FILE_MASK 0x364 65struct f2fs_gc_range {66 __u32 sync;67 __u64 start;68 __u64 len;69};70 71struct f2fs_defragment {72 __u64 start;73 __u64 len;74};75 76struct f2fs_move_range {77 __u32 dst_fd; /* destination fd */78 __u64 pos_in; /* start position in src_fd */79 __u64 pos_out; /* start position in dst_fd */80 __u64 len; /* size to move */81};82 83struct f2fs_flush_device {84 __u32 dev_num; /* device number to flush */85 __u32 segments; /* # of segments to flush */86};87 88struct f2fs_sectrim_range {89 __u64 start;90 __u64 len;91 __u64 flags;92};93 94struct f2fs_comp_option {95 __u8 algorithm;96 __u8 log_cluster_size;97};98 99#endif /* _UAPI_LINUX_F2FS_H */100