f2fs.h 3.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _UAPI_LINUX_F2FS_H
  3. #define _UAPI_LINUX_F2FS_H
  4. #include <linux/types.h>
  5. #include <linux/ioctl.h>
  6. /*
  7. * f2fs-specific ioctl commands
  8. */
  9. #define F2FS_IOCTL_MAGIC 0xf5
  10. #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
  11. #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
  12. #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
  13. #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
  14. #define F2FS_IOC_ABORT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
  15. #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
  16. #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
  17. #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
  18. struct f2fs_defragment)
  19. #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
  20. struct f2fs_move_range)
  21. #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
  22. struct f2fs_flush_device)
  23. #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
  24. struct f2fs_gc_range)
  25. #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
  26. #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
  27. #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
  28. #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
  29. #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
  30. #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64)
  31. #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \
  32. _IOR(F2FS_IOCTL_MAGIC, 18, __u64)
  33. #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \
  34. _IOR(F2FS_IOCTL_MAGIC, 19, __u64)
  35. #define F2FS_IOC_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \
  36. struct f2fs_sectrim_range)
  37. #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \
  38. struct f2fs_comp_option)
  39. #define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \
  40. struct f2fs_comp_option)
  41. #define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23)
  42. #define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24)
  43. #define F2FS_IOC_START_ATOMIC_REPLACE _IO(F2FS_IOCTL_MAGIC, 25)
  44. /*
  45. * should be same as XFS_IOC_GOINGDOWN.
  46. * Flags for going down operation used by FS_IOC_GOINGDOWN
  47. */
  48. #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
  49. #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
  50. #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
  51. #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
  52. #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
  53. #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
  54. /*
  55. * Flags used by F2FS_IOC_SEC_TRIM_FILE
  56. */
  57. #define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */
  58. #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */
  59. #define F2FS_TRIM_FILE_MASK 0x3
  60. struct f2fs_gc_range {
  61. __u32 sync;
  62. __u64 start;
  63. __u64 len;
  64. };
  65. struct f2fs_defragment {
  66. __u64 start;
  67. __u64 len;
  68. };
  69. struct f2fs_move_range {
  70. __u32 dst_fd; /* destination fd */
  71. __u64 pos_in; /* start position in src_fd */
  72. __u64 pos_out; /* start position in dst_fd */
  73. __u64 len; /* size to move */
  74. };
  75. struct f2fs_flush_device {
  76. __u32 dev_num; /* device number to flush */
  77. __u32 segments; /* # of segments to flush */
  78. };
  79. struct f2fs_sectrim_range {
  80. __u64 start;
  81. __u64 len;
  82. __u64 flags;
  83. };
  84. struct f2fs_comp_option {
  85. __u8 algorithm;
  86. __u8 log_cluster_size;
  87. };
  88. #endif /* _UAPI_LINUX_F2FS_H */