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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_F2FS_H#define _UAPI_LINUX_F2FS_H#include <linux/types.h>#include <linux/ioctl.h>
/* * f2fs-specific ioctl commands */#define F2FS_IOCTL_MAGIC 0xf5#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_ATOMIC_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 _IOWR(F2FS_IOCTL_MAGIC, 8, \ struct f2fs_defragment)#define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ struct f2fs_move_range)#define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ struct f2fs_flush_device)#define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ struct f2fs_gc_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_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \ struct f2fs_sectrim_range)#define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \ struct f2fs_comp_option)#define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \ struct f2fs_comp_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)
/* * should be same as XFS_IOC_GOINGDOWN. * Flags for going down operation used by FS_IOC_GOINGDOWN */#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 */
/* * Flags used by F2FS_IOC_SEC_TRIM_FILE */#define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */#define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */#define F2FS_TRIM_FILE_MASK 0x3
/* for F2FS_IOC_IO_PRIO */enum { F2FS_IOPRIO_WRITE = 1, /* high write priority */ F2FS_IOPRIO_MAX,};
struct f2fs_gc_range { __u32 sync; __u64 start; __u64 len;};
struct f2fs_defragment { __u64 start; __u64 len;};
struct f2fs_move_range { __u32 dst_fd; /* destination fd */ __u64 pos_in; /* start position in src_fd */ __u64 pos_out; /* start position in dst_fd */ __u64 len; /* size to move */};
struct f2fs_flush_device { __u32 dev_num; /* device number to flush */ __u32 segments; /* # of segments to flush */};
struct f2fs_sectrim_range { __u64 start; __u64 len; __u64 flags;};
struct f2fs_comp_option { __u8 algorithm; __u8 log_cluster_size;};
#endif /* _UAPI_LINUX_F2FS_H */