diff options
Diffstat (limited to 'include/uapi/linux/f2fs.h')
| -rw-r--r-- | include/uapi/linux/f2fs.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/uapi/linux/f2fs.h b/include/uapi/linux/f2fs.h new file mode 100644 index 000000000..3121d127d --- /dev/null +++ b/include/uapi/linux/f2fs.h @@ -0,0 +1,98 @@ +/* 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) + +/* + * 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 /* _UAPI_LINUX_F2FS_H */ |