fs/btrfs/ioctl.h - kernel/msm-4.9 - Gitiles

 /*
  * Copyright (C) 2007 Oracle.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public
  * License v2 as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public
  * License along with this program; if not, write to the
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 021110-1307, USA.
  */

 #ifndef __IOCTL_
 #define __IOCTL_
 #include <linux/ioctl.h>

 #define BTRFS_IOCTL_MAGIC 0x94
 #define BTRFS_VOL_NAME_MAX 255

 /* this should be 4k */
 #define BTRFS_PATH_NAME_MAX 4087
 struct btrfs_ioctl_vol_args {
 	__s64 fd;
 	char name[BTRFS_PATH_NAME_MAX + 1];
 };

 #define BTRFS_SUBVOL_CREATE_ASYNC	(1ULL << 0)
 #define BTRFS_SUBVOL_RDONLY		(1ULL << 1)
 #define BTRFS_FSID_SIZE 16
 #define BTRFS_UUID_SIZE 16

 #define BTRFS_SUBVOL_NAME_MAX 4039
 struct btrfs_ioctl_vol_args_v2 {
 	__s64 fd;
 	__u64 transid;
 	__u64 flags;
 	__u64 unused[4];
 	char name[BTRFS_SUBVOL_NAME_MAX + 1];
 };

 /*
  * structure to report errors and progress to userspace, either as a
  * result of a finished scrub, a canceled scrub or a progress inquiry
  */
 struct btrfs_scrub_progress {
 	__u64 data_extents_scrubbed;	/* # of data extents scrubbed */
 	__u64 tree_extents_scrubbed;	/* # of tree extents scrubbed */
 	__u64 data_bytes_scrubbed;	/* # of data bytes scrubbed */
 	__u64 tree_bytes_scrubbed;	/* # of tree bytes scrubbed */
 	__u64 read_errors;		/* # of read errors encountered (EIO) */
 	__u64 csum_errors;		/* # of failed csum checks */
 	__u64 verify_errors;		/* # of occurences, where the metadata
 					 * of a tree block did not match the
 					 * expected values, like generation or
 					 * logical */
 	__u64 no_csum;			/* # of 4k data block for which no csum
 					 * is present, probably the result of
 					 * data written with nodatasum */
 	__u64 csum_discards;		/* # of csum for which no data was found
 					 * in the extent tree. */
 	__u64 super_errors;		/* # of bad super blocks encountered */
 	__u64 malloc_errors;		/* # of internal kmalloc errors. These
 					 * will likely cause an incomplete
 					 * scrub */
 	__u64 uncorrectable_errors;	/* # of errors where either no intact
 					 * copy was found or the writeback
 					 * failed */
 	__u64 corrected_errors;		/* # of errors corrected */
 	__u64 last_physical;		/* last physical address scrubbed. In
 					 * case a scrub was aborted, this can
 					 * be used to restart the scrub */
 	__u64 unverified_errors;	/* # of occurences where a read for a
 					 * full (64k) bio failed, but the re-
 					 * check succeeded for each 4k piece.
 					 * Intermittent error. */
 };

 #define BTRFS_SCRUB_READONLY	1
 struct btrfs_ioctl_scrub_args {
 	__u64 devid;				/* in */
 	__u64 start;				/* in */
 	__u64 end;				/* in */
 	__u64 flags;				/* in */
 	struct btrfs_scrub_progress progress;	/* out */
 	/* pad to 1k */
 	__u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
 };

 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
 struct btrfs_ioctl_dev_info_args {
 	__u64 devid;				/* in/out */
 	__u8 uuid[BTRFS_UUID_SIZE];		/* in/out */
 	__u64 bytes_used;			/* out */
 	__u64 total_bytes;			/* out */
 	__u64 unused[379];			/* pad to 4k */
 	__u8 path[BTRFS_DEVICE_PATH_NAME_MAX];	/* out */
 };

 struct btrfs_ioctl_fs_info_args {
 	__u64 max_id;				/* out */
 	__u64 num_devices;			/* out */
 	__u8 fsid[BTRFS_FSID_SIZE];		/* out */
 	__u64 reserved[124];			/* pad to 1k */
 };

 /* balance control ioctl modes */
 #define BTRFS_BALANCE_CTL_PAUSE		1
 #define BTRFS_BALANCE_CTL_CANCEL	2

 /*
  * this is packed, because it should be exactly the same as its disk
  * byte order counterpart (struct btrfs_disk_balance_args)
  */
 struct btrfs_balance_args {
 	__u64 profiles;
 	__u64 usage;
 	__u64 devid;
 	__u64 pstart;
 	__u64 pend;
 	__u64 vstart;
 	__u64 vend;

 	__u64 target;

 	__u64 flags;

 	__u64 unused[8];
 } __attribute__ ((__packed__));

 /* report balance progress to userspace */
 struct btrfs_balance_progress {
 	__u64 expected;		/* estimated # of chunks that will be
 				 * relocated to fulfill the request */
 	__u64 considered;	/* # of chunks we have considered so far */
 	__u64 completed;	/* # of chunks relocated so far */
 };

 #define BTRFS_BALANCE_STATE_RUNNING	(1ULL << 0)
 #define BTRFS_BALANCE_STATE_PAUSE_REQ	(1ULL << 1)
 #define BTRFS_BALANCE_STATE_CANCEL_REQ	(1ULL << 2)

 struct btrfs_ioctl_balance_args {
 	__u64 flags;				/* in/out */
 	__u64 state;				/* out */

 	struct btrfs_balance_args data;		/* in/out */
 	struct btrfs_balance_args meta;		/* in/out */
 	struct btrfs_balance_args sys;		/* in/out */

 	struct btrfs_balance_progress stat;	/* out */

 	__u64 unused[72];			/* pad to 1k */
 };

 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
 struct btrfs_ioctl_ino_lookup_args {
 	__u64 treeid;
 	__u64 objectid;
 	char name[BTRFS_INO_LOOKUP_PATH_MAX];
 };

 struct btrfs_ioctl_search_key {
 	/* which root are we searching.  0 is the tree of tree roots */
 	__u64 tree_id;

 	/* keys returned will be >= min and <= max */
 	__u64 min_objectid;
 	__u64 max_objectid;

 	/* keys returned will be >= min and <= max */
 	__u64 min_offset;
 	__u64 max_offset;

 	/* max and min transids to search for */
 	__u64 min_transid;
 	__u64 max_transid;

 	/* keys returned will be >= min and <= max */
 	__u32 min_type;
 	__u32 max_type;

 	/*
 	 * how many items did userland ask for, and how many are we
 	 * returning
 	 */
 	__u32 nr_items;

 	/* align to 64 bits */
 	__u32 unused;

 	/* some extra for later */
 	__u64 unused1;
 	__u64 unused2;
 	__u64 unused3;
 	__u64 unused4;
 };

 struct btrfs_ioctl_search_header {
 	__u64 transid;
 	__u64 objectid;
 	__u64 offset;
 	__u32 type;
 	__u32 len;
 };

 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
 /*
  * the buf is an array of search headers where
  * each header is followed by the actual item
  * the type field is expanded to 32 bits for alignment
  */
 struct btrfs_ioctl_search_args {
 	struct btrfs_ioctl_search_key key;
 	char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
 };

 struct btrfs_ioctl_clone_range_args {
   __s64 src_fd;
   __u64 src_offset, src_length;
   __u64 dest_offset;
 };

 /* flags for the defrag range ioctl */
 #define BTRFS_DEFRAG_RANGE_COMPRESS 1
 #define BTRFS_DEFRAG_RANGE_START_IO 2

 struct btrfs_ioctl_space_info {
 	__u64 flags;
 	__u64 total_bytes;
 	__u64 used_bytes;
 };

 struct btrfs_ioctl_space_args {
 	__u64 space_slots;
 	__u64 total_spaces;
 	struct btrfs_ioctl_space_info spaces[0];
 };

 struct btrfs_data_container {
 	__u32	bytes_left;	/* out -- bytes not needed to deliver output */
 	__u32	bytes_missing;	/* out -- additional bytes needed for result */
 	__u32	elem_cnt;	/* out */
 	__u32	elem_missed;	/* out */
 	__u64	val[0];		/* out */
 };

 struct btrfs_ioctl_ino_path_args {
 	__u64				inum;		/* in */
 	__u32				size;		/* in */
 	__u64				reserved[4];
 	/* struct btrfs_data_container	*fspath;	   out */
 	__u64				fspath;		/* out */
 };

 struct btrfs_ioctl_logical_ino_args {
 	__u64				logical;	/* in */
 	__u32				size;		/* in */
 	__u64				reserved[4];
 	/* struct btrfs_data_container	*inodes;	out   */
 	__u64				inodes;
 };

 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
 				   struct btrfs_ioctl_vol_args)
 /* trans start and trans end are dangerous, and only for
  * use by applications that know how to avoid the
  * resulting deadlocks
  */
 #define BTRFS_IOC_TRANS_START  _IO(BTRFS_IOCTL_MAGIC, 6)
 #define BTRFS_IOC_TRANS_END    _IO(BTRFS_IOCTL_MAGIC, 7)
 #define BTRFS_IOC_SYNC         _IO(BTRFS_IOCTL_MAGIC, 8)

 #define BTRFS_IOC_CLONE        _IOW(BTRFS_IOCTL_MAGIC, 9, int)
 #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
 				   struct btrfs_ioctl_vol_args)

 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
 				  struct btrfs_ioctl_clone_range_args)

 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
 				struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
 				struct btrfs_ioctl_defrag_range_args)
 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
 				   struct btrfs_ioctl_search_args)
 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
 				   struct btrfs_ioctl_ino_lookup_args)
 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
 				    struct btrfs_ioctl_space_args)
 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
 #define BTRFS_IOC_WAIT_SYNC  _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
 				   struct btrfs_ioctl_vol_args_v2)
 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 25, __u64)
 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
 #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
 			      struct btrfs_ioctl_scrub_args)
 #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
 #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
 				       struct btrfs_ioctl_scrub_args)
 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
 				 struct btrfs_ioctl_dev_info_args)
 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
 			       struct btrfs_ioctl_fs_info_args)
 #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
 				   struct btrfs_ioctl_balance_args)
 #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
 #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
 					struct btrfs_ioctl_balance_args)
 #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
 					struct btrfs_ioctl_ino_path_args)
 #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
 					struct btrfs_ioctl_ino_path_args)

 #endif
	/*
	* Copyright (C) 2007 Oracle. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public
	* License v2 as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* General Public License for more details.
	*
	* You should have received a copy of the GNU General Public
	* License along with this program; if not, write to the
	* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	* Boston, MA 021110-1307, USA.
	*/

	#ifndef __IOCTL_
	#define __IOCTL_
	#include <linux/ioctl.h>

	#define BTRFS_IOCTL_MAGIC 0x94
	#define BTRFS_VOL_NAME_MAX 255

	/* this should be 4k */
	#define BTRFS_PATH_NAME_MAX 4087
	struct btrfs_ioctl_vol_args {
	__s64 fd;
	char name[BTRFS_PATH_NAME_MAX + 1];
	};

	#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
	#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
	#define BTRFS_FSID_SIZE 16
	#define BTRFS_UUID_SIZE 16

	#define BTRFS_SUBVOL_NAME_MAX 4039
	struct btrfs_ioctl_vol_args_v2 {
	__s64 fd;
	__u64 transid;
	__u64 flags;
	__u64 unused[4];
	char name[BTRFS_SUBVOL_NAME_MAX + 1];
	};

	/*
	* structure to report errors and progress to userspace, either as a
	* result of a finished scrub, a canceled scrub or a progress inquiry
	*/
	struct btrfs_scrub_progress {
	__u64 data_extents_scrubbed; /* # of data extents scrubbed */
	__u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
	__u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
	__u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */
	__u64 read_errors; /* # of read errors encountered (EIO) */
	__u64 csum_errors; /* # of failed csum checks */
	__u64 verify_errors; /* # of occurences, where the metadata
	* of a tree block did not match the
	* expected values, like generation or
	* logical */
	__u64 no_csum; /* # of 4k data block for which no csum
	* is present, probably the result of
	* data written with nodatasum */
	__u64 csum_discards; /* # of csum for which no data was found
	* in the extent tree. */
	__u64 super_errors; /* # of bad super blocks encountered */
	__u64 malloc_errors; /* # of internal kmalloc errors. These
	* will likely cause an incomplete
	* scrub */
	__u64 uncorrectable_errors; /* # of errors where either no intact
	* copy was found or the writeback
	* failed */
	__u64 corrected_errors; /* # of errors corrected */
	__u64 last_physical; /* last physical address scrubbed. In
	* case a scrub was aborted, this can
	* be used to restart the scrub */
	__u64 unverified_errors; /* # of occurences where a read for a
	* full (64k) bio failed, but the re-
	* check succeeded for each 4k piece.
	* Intermittent error. */
	};

	#define BTRFS_SCRUB_READONLY 1
	struct btrfs_ioctl_scrub_args {
	__u64 devid; /* in */
	__u64 start; /* in */
	__u64 end; /* in */
	__u64 flags; /* in */
	struct btrfs_scrub_progress progress; /* out */
	/* pad to 1k */
	__u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
	};

	#define BTRFS_DEVICE_PATH_NAME_MAX 1024
	struct btrfs_ioctl_dev_info_args {
	__u64 devid; /* in/out */
	__u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
	__u64 bytes_used; /* out */
	__u64 total_bytes; /* out */
	__u64 unused[379]; /* pad to 4k */
	__u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
	};

	struct btrfs_ioctl_fs_info_args {
	__u64 max_id; /* out */
	__u64 num_devices; /* out */
	__u8 fsid[BTRFS_FSID_SIZE]; /* out */
	__u64 reserved[124]; /* pad to 1k */
	};

	/* balance control ioctl modes */
	#define BTRFS_BALANCE_CTL_PAUSE 1
	#define BTRFS_BALANCE_CTL_CANCEL 2

	/*
	* this is packed, because it should be exactly the same as its disk
	* byte order counterpart (struct btrfs_disk_balance_args)
	*/
	struct btrfs_balance_args {
	__u64 profiles;
	__u64 usage;
	__u64 devid;
	__u64 pstart;
	__u64 pend;
	__u64 vstart;
	__u64 vend;

	__u64 target;

	__u64 flags;

	__u64 unused[8];
	} __attribute__ ((__packed__));

	/* report balance progress to userspace */
	struct btrfs_balance_progress {
	__u64 expected; /* estimated # of chunks that will be
	* relocated to fulfill the request */
	__u64 considered; /* # of chunks we have considered so far */
	__u64 completed; /* # of chunks relocated so far */
	};

	#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
	#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
	#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)

	struct btrfs_ioctl_balance_args {
	__u64 flags; /* in/out */
	__u64 state; /* out */

	struct btrfs_balance_args data; /* in/out */
	struct btrfs_balance_args meta; /* in/out */
	struct btrfs_balance_args sys; /* in/out */

	struct btrfs_balance_progress stat; /* out */

	__u64 unused[72]; /* pad to 1k */
	};

	#define BTRFS_INO_LOOKUP_PATH_MAX 4080
	struct btrfs_ioctl_ino_lookup_args {
	__u64 treeid;
	__u64 objectid;
	char name[BTRFS_INO_LOOKUP_PATH_MAX];
	};

	struct btrfs_ioctl_search_key {
	/* which root are we searching. 0 is the tree of tree roots */
	__u64 tree_id;

	/* keys returned will be >= min and <= max */
	__u64 min_objectid;
	__u64 max_objectid;

	/* keys returned will be >= min and <= max */
	__u64 min_offset;
	__u64 max_offset;

	/* max and min transids to search for */
	__u64 min_transid;
	__u64 max_transid;

	/* keys returned will be >= min and <= max */
	__u32 min_type;
	__u32 max_type;

	/*
	* how many items did userland ask for, and how many are we
	* returning
	*/
	__u32 nr_items;

	/* align to 64 bits */
	__u32 unused;

	/* some extra for later */
	__u64 unused1;
	__u64 unused2;
	__u64 unused3;
	__u64 unused4;
	};

	struct btrfs_ioctl_search_header {
	__u64 transid;
	__u64 objectid;
	__u64 offset;
	__u32 type;
	__u32 len;
	};

	#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
	/*
	* the buf is an array of search headers where
	* each header is followed by the actual item
	* the type field is expanded to 32 bits for alignment
	*/
	struct btrfs_ioctl_search_args {
	struct btrfs_ioctl_search_key key;
	char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
	};

	struct btrfs_ioctl_clone_range_args {
	__s64 src_fd;
	__u64 src_offset, src_length;
	__u64 dest_offset;
	};

	/* flags for the defrag range ioctl */
	#define BTRFS_DEFRAG_RANGE_COMPRESS 1
	#define BTRFS_DEFRAG_RANGE_START_IO 2

	struct btrfs_ioctl_space_info {
	__u64 flags;
	__u64 total_bytes;
	__u64 used_bytes;
	};

	struct btrfs_ioctl_space_args {
	__u64 space_slots;
	__u64 total_spaces;
	struct btrfs_ioctl_space_info spaces[0];
	};

	struct btrfs_data_container {
	__u32 bytes_left; /* out -- bytes not needed to deliver output */
	__u32 bytes_missing; /* out -- additional bytes needed for result */
	__u32 elem_cnt; /* out */
	__u32 elem_missed; /* out */
	__u64 val[0]; /* out */
	};

	struct btrfs_ioctl_ino_path_args {
	__u64 inum; /* in */
	__u32 size; /* in */
	__u64 reserved[4];
	/* struct btrfs_data_container fspath; out /
	__u64 fspath; /* out */
	};

	struct btrfs_ioctl_logical_ino_args {
	__u64 logical; /* in */
	__u32 size; /* in */
	__u64 reserved[4];
	/* struct btrfs_data_container inodes; out /
	__u64 inodes;
	};

	#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
	struct btrfs_ioctl_vol_args)
	/* trans start and trans end are dangerous, and only for
	* use by applications that know how to avoid the
	* resulting deadlocks
	*/
	#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
	#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
	#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)

	#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
	#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
	struct btrfs_ioctl_vol_args)

	#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
	struct btrfs_ioctl_clone_range_args)

	#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
	struct btrfs_ioctl_vol_args)
	#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
	struct btrfs_ioctl_defrag_range_args)
	#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
	struct btrfs_ioctl_search_args)
	#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
	struct btrfs_ioctl_ino_lookup_args)
	#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
	#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
	struct btrfs_ioctl_space_args)
	#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
	#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
	#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
	struct btrfs_ioctl_vol_args_v2)
	#define BTRFS_IOC_SUBVOL_GETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 25, __u64)
	#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
	#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
	struct btrfs_ioctl_scrub_args)
	#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
	#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
	struct btrfs_ioctl_scrub_args)
	#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
	struct btrfs_ioctl_dev_info_args)
	#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
	struct btrfs_ioctl_fs_info_args)
	#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
	struct btrfs_ioctl_balance_args)
	#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
	#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
	struct btrfs_ioctl_balance_args)
	#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
	struct btrfs_ioctl_ino_path_args)
	#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
	struct btrfs_ioctl_ino_path_args)

	#endif