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f2fs.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_F2FS_H #define _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_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 _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) /* * 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 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 /* _LINUX_F2FS_H */
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