f2fs.h (3432B) - Raw
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 3 #ifndef _LINUX_F2FS_H 4 #define _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_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 #define F2FS_IOC_GET_DEV_ALIAS_FILE _IOR(F2FS_IOCTL_MAGIC, 26, __u32) 47 48 /* 49 * should be same as XFS_IOC_GOINGDOWN. 50 * Flags for going down operation used by FS_IOC_GOINGDOWN 51 */ 52 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 53 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 54 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 55 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 56 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 57 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 58 59 /* 60 * Flags used by F2FS_IOC_SEC_TRIM_FILE 61 */ 62 #define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */ 63 #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ 64 #define F2FS_TRIM_FILE_MASK 0x3 65 66 struct f2fs_gc_range { 67 __u32 sync; 68 __u64 start; 69 __u64 len; 70 }; 71 72 struct f2fs_defragment { 73 __u64 start; 74 __u64 len; 75 }; 76 77 struct f2fs_move_range { 78 __u32 dst_fd; /* destination fd */ 79 __u64 pos_in; /* start position in src_fd */ 80 __u64 pos_out; /* start position in dst_fd */ 81 __u64 len; /* size to move */ 82 }; 83 84 struct f2fs_flush_device { 85 __u32 dev_num; /* device number to flush */ 86 __u32 segments; /* # of segments to flush */ 87 }; 88 89 struct f2fs_sectrim_range { 90 __u64 start; 91 __u64 len; 92 __u64 flags; 93 }; 94 95 struct f2fs_comp_option { 96 __u8 algorithm; 97 __u8 log_cluster_size; 98 }; 99 100 #endif /* _LINUX_F2FS_H */