f2fs.h (3316B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 3#ifndef _UAPI_LINUX_F2FS_H 4#define _UAPI_LINUX_F2FS_H 5#include <linux/types.h> 6#include <linux/ioctl.h> 7 8/* 9 * f2fs-specific ioctl commands 10 */ 11#define F2FS_IOCTL_MAGIC 0xf5 12#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_VOLATILE_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 46/* 47 * should be same as XFS_IOC_GOINGDOWN. 48 * Flags for going down operation used by FS_IOC_GOINGDOWN 49 */ 50#define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 51#define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 52#define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 53#define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 54#define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 55#define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 56 57/* 58 * Flags used by F2FS_IOC_SEC_TRIM_FILE 59 */ 60#define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */ 61#define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ 62#define F2FS_TRIM_FILE_MASK 0x3 63 64struct f2fs_gc_range { 65 __u32 sync; 66 __u64 start; 67 __u64 len; 68}; 69 70struct f2fs_defragment { 71 __u64 start; 72 __u64 len; 73}; 74 75struct f2fs_move_range { 76 __u32 dst_fd; /* destination fd */ 77 __u64 pos_in; /* start position in src_fd */ 78 __u64 pos_out; /* start position in dst_fd */ 79 __u64 len; /* size to move */ 80}; 81 82struct f2fs_flush_device { 83 __u32 dev_num; /* device number to flush */ 84 __u32 segments; /* # of segments to flush */ 85}; 86 87struct f2fs_sectrim_range { 88 __u64 start; 89 __u64 len; 90 __u64 flags; 91}; 92 93struct f2fs_comp_option { 94 __u8 algorithm; 95 __u8 log_cluster_size; 96}; 97 98#endif /* _UAPI_LINUX_F2FS_H */