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platform_bionic/libc/kernel/uapi/linux/btrfs.h
Christopher Ferris 7447a1ceea Update to v6.0 kernel headers. 
Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.0

Test: Boots on coral.
Test: Bionic unit tests pass.
Change-Id: I282de83f23b432bef58214108a93700bdadddf0f
2022-10-05 16:58:32 -07:00

564 lines
20 KiB
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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPI_LINUX_BTRFS_H
#define _UAPI_LINUX_BTRFS_H
#include <linux/types.h>
#include <linux/ioctl.h>
#define BTRFS_IOCTL_MAGIC 0x94
#define BTRFS_VOL_NAME_MAX 255
#define BTRFS_LABEL_SIZE 256
#define BTRFS_PATH_NAME_MAX 4087
struct btrfs_ioctl_vol_args {
__s64 fd;
char name[BTRFS_PATH_NAME_MAX + 1];
};
#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#define BTRFS_SUBVOL_NAME_MAX 4039
#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
#define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3)
#define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4)
#define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED (BTRFS_SUBVOL_RDONLY | BTRFS_SUBVOL_QGROUP_INHERIT | BTRFS_DEVICE_SPEC_BY_ID | BTRFS_SUBVOL_SPEC_BY_ID)
#define BTRFS_FSID_SIZE 16
#define BTRFS_UUID_SIZE 16
#define BTRFS_UUID_UNPARSED_SIZE 37
#define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0)
#define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1)
#define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2)
#define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3)
#define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4)
#define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5)
struct btrfs_qgroup_limit {
__u64 flags;
__u64 max_rfer;
__u64 max_excl;
__u64 rsv_rfer;
__u64 rsv_excl;
};
#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
struct btrfs_qgroup_inherit {
__u64 flags;
__u64 num_qgroups;
__u64 num_ref_copies;
__u64 num_excl_copies;
struct btrfs_qgroup_limit lim;
__u64 qgroups[];
};
struct btrfs_ioctl_qgroup_limit_args {
__u64 qgroupid;
struct btrfs_qgroup_limit lim;
};
#define BTRFS_DEVICE_REMOVE_ARGS_MASK (BTRFS_DEVICE_SPEC_BY_ID)
#define BTRFS_SUBVOL_CREATE_ARGS_MASK (BTRFS_SUBVOL_RDONLY | BTRFS_SUBVOL_QGROUP_INHERIT)
#define BTRFS_SUBVOL_DELETE_ARGS_MASK (BTRFS_SUBVOL_SPEC_BY_ID)
struct btrfs_ioctl_vol_args_v2 {
__s64 fd;
__u64 transid;
__u64 flags;
union {
struct {
__u64 size;
struct btrfs_qgroup_inherit __user * qgroup_inherit;
};
__u64 unused[4];
};
union {
char name[BTRFS_SUBVOL_NAME_MAX + 1];
__u64 devid;
__u64 subvolid;
};
};
struct btrfs_scrub_progress {
__u64 data_extents_scrubbed;
__u64 tree_extents_scrubbed;
__u64 data_bytes_scrubbed;
__u64 tree_bytes_scrubbed;
__u64 read_errors;
__u64 csum_errors;
__u64 verify_errors;
__u64 no_csum;
__u64 csum_discards;
__u64 super_errors;
__u64 malloc_errors;
__u64 uncorrectable_errors;
__u64 corrected_errors;
__u64 last_physical;
__u64 unverified_errors;
};
#define BTRFS_SCRUB_READONLY 1
struct btrfs_ioctl_scrub_args {
__u64 devid;
__u64 start;
__u64 end;
__u64 flags;
struct btrfs_scrub_progress progress;
__u64 unused[(1024 - 32 - sizeof(struct btrfs_scrub_progress)) / 8];
};
#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
struct btrfs_ioctl_dev_replace_start_params {
__u64 srcdevid;
__u64 cont_reading_from_srcdev_mode;
__u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1];
__u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1];
};
#define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0
#define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1
#define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2
#define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3
#define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4
struct btrfs_ioctl_dev_replace_status_params {
__u64 replace_state;
__u64 progress_1000;
__u64 time_started;
__u64 time_stopped;
__u64 num_write_errors;
__u64 num_uncorrectable_read_errors;
};
#define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0
#define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1
#define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2
#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0
#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1
#define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
#define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3
struct btrfs_ioctl_dev_replace_args {
__u64 cmd;
__u64 result;
union {
struct btrfs_ioctl_dev_replace_start_params start;
struct btrfs_ioctl_dev_replace_status_params status;
};
__u64 spare[64];
};
struct btrfs_ioctl_dev_info_args {
__u64 devid;
__u8 uuid[BTRFS_UUID_SIZE];
__u64 bytes_used;
__u64 total_bytes;
__u64 unused[379];
__u8 path[BTRFS_DEVICE_PATH_NAME_MAX];
};
#define BTRFS_FS_INFO_FLAG_CSUM_INFO (1 << 0)
#define BTRFS_FS_INFO_FLAG_GENERATION (1 << 1)
#define BTRFS_FS_INFO_FLAG_METADATA_UUID (1 << 2)
struct btrfs_ioctl_fs_info_args {
__u64 max_id;
__u64 num_devices;
__u8 fsid[BTRFS_FSID_SIZE];
__u32 nodesize;
__u32 sectorsize;
__u32 clone_alignment;
__u16 csum_type;
__u16 csum_size;
__u64 flags;
__u64 generation;
__u8 metadata_uuid[BTRFS_FSID_SIZE];
__u8 reserved[944];
};
#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0)
#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1)
#define BTRFS_FEATURE_COMPAT_RO_VERITY (1ULL << 2)
#define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0)
#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1)
#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2)
#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3)
#define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4)
#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5)
#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6)
#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7)
#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8)
#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9)
#define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10)
#define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11)
#define BTRFS_FEATURE_INCOMPAT_ZONED (1ULL << 12)
#define BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 (1ULL << 13)
struct btrfs_ioctl_feature_flags {
__u64 compat_flags;
__u64 compat_ro_flags;
__u64 incompat_flags;
};
#define BTRFS_BALANCE_CTL_PAUSE 1
#define BTRFS_BALANCE_CTL_CANCEL 2
struct btrfs_balance_args {
__u64 profiles;
union {
__u64 usage;
struct {
__u32 usage_min;
__u32 usage_max;
};
};
__u64 devid;
__u64 pstart;
__u64 pend;
__u64 vstart;
__u64 vend;
__u64 target;
__u64 flags;
union {
__u64 limit;
struct {
__u32 limit_min;
__u32 limit_max;
};
};
__u32 stripes_min;
__u32 stripes_max;
__u64 unused[6];
} __attribute__((__packed__));
struct btrfs_balance_progress {
__u64 expected;
__u64 considered;
__u64 completed;
};
#define BTRFS_BALANCE_DATA (1ULL << 0)
#define BTRFS_BALANCE_SYSTEM (1ULL << 1)
#define BTRFS_BALANCE_METADATA (1ULL << 2)
#define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | BTRFS_BALANCE_SYSTEM | BTRFS_BALANCE_METADATA)
#define BTRFS_BALANCE_FORCE (1ULL << 3)
#define BTRFS_BALANCE_RESUME (1ULL << 4)
#define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0)
#define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1)
#define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2)
#define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3)
#define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)
#define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5)
#define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6)
#define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7)
#define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10)
#define BTRFS_BALANCE_ARGS_MASK (BTRFS_BALANCE_ARGS_PROFILES | BTRFS_BALANCE_ARGS_USAGE | BTRFS_BALANCE_ARGS_DEVID | BTRFS_BALANCE_ARGS_DRANGE | BTRFS_BALANCE_ARGS_VRANGE | BTRFS_BALANCE_ARGS_LIMIT | BTRFS_BALANCE_ARGS_LIMIT_RANGE | BTRFS_BALANCE_ARGS_STRIPES_RANGE | BTRFS_BALANCE_ARGS_USAGE_RANGE)
#define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8)
#define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9)
#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;
__u64 state;
struct btrfs_balance_args data;
struct btrfs_balance_args meta;
struct btrfs_balance_args sys;
struct btrfs_balance_progress stat;
__u64 unused[72];
};
#define BTRFS_INO_LOOKUP_PATH_MAX 4080
struct btrfs_ioctl_ino_lookup_args {
__u64 treeid;
__u64 objectid;
char name[BTRFS_INO_LOOKUP_PATH_MAX];
};
#define BTRFS_INO_LOOKUP_USER_PATH_MAX (4080 - BTRFS_VOL_NAME_MAX - 1)
struct btrfs_ioctl_ino_lookup_user_args {
__u64 dirid;
__u64 treeid;
char name[BTRFS_VOL_NAME_MAX + 1];
char path[BTRFS_INO_LOOKUP_USER_PATH_MAX];
};
struct btrfs_ioctl_search_key {
__u64 tree_id;
__u64 min_objectid;
__u64 max_objectid;
__u64 min_offset;
__u64 max_offset;
__u64 min_transid;
__u64 max_transid;
__u32 min_type;
__u32 max_type;
__u32 nr_items;
__u32 unused;
__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))
struct btrfs_ioctl_search_args {
struct btrfs_ioctl_search_key key;
char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
};
struct btrfs_ioctl_search_args_v2 {
struct btrfs_ioctl_search_key key;
__u64 buf_size;
__u64 buf[];
};
struct btrfs_ioctl_clone_range_args {
__s64 src_fd;
__u64 src_offset, src_length;
__u64 dest_offset;
};
#define BTRFS_DEFRAG_RANGE_COMPRESS 1
#define BTRFS_DEFRAG_RANGE_START_IO 2
struct btrfs_ioctl_defrag_range_args {
__u64 start;
__u64 len;
__u64 flags;
__u32 extent_thresh;
__u32 compress_type;
__u32 unused[4];
};
#define BTRFS_SAME_DATA_DIFFERS 1
struct btrfs_ioctl_same_extent_info {
__s64 fd;
__u64 logical_offset;
__u64 bytes_deduped;
__s32 status;
__u32 reserved;
};
struct btrfs_ioctl_same_args {
__u64 logical_offset;
__u64 length;
__u16 dest_count;
__u16 reserved1;
__u32 reserved2;
struct btrfs_ioctl_same_extent_info info[];
};
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[];
};
struct btrfs_data_container {
__u32 bytes_left;
__u32 bytes_missing;
__u32 elem_cnt;
__u32 elem_missed;
__u64 val[];
};
struct btrfs_ioctl_ino_path_args {
__u64 inum;
__u64 size;
__u64 reserved[4];
__u64 fspath;
};
struct btrfs_ioctl_logical_ino_args {
__u64 logical;
__u64 size;
__u64 reserved[3];
__u64 flags;
__u64 inodes;
};
#define BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET (1ULL << 0)
enum btrfs_dev_stat_values {
BTRFS_DEV_STAT_WRITE_ERRS,
BTRFS_DEV_STAT_READ_ERRS,
BTRFS_DEV_STAT_FLUSH_ERRS,
BTRFS_DEV_STAT_CORRUPTION_ERRS,
BTRFS_DEV_STAT_GENERATION_ERRS,
BTRFS_DEV_STAT_VALUES_MAX
};
#define BTRFS_DEV_STATS_RESET (1ULL << 0)
struct btrfs_ioctl_get_dev_stats {
__u64 devid;
__u64 nr_items;
__u64 flags;
__u64 values[BTRFS_DEV_STAT_VALUES_MAX];
__u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX];
};
#define BTRFS_QUOTA_CTL_ENABLE 1
#define BTRFS_QUOTA_CTL_DISABLE 2
#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
struct btrfs_ioctl_quota_ctl_args {
__u64 cmd;
__u64 status;
};
struct btrfs_ioctl_quota_rescan_args {
__u64 flags;
__u64 progress;
__u64 reserved[6];
};
struct btrfs_ioctl_qgroup_assign_args {
__u64 assign;
__u64 src;
__u64 dst;
};
struct btrfs_ioctl_qgroup_create_args {
__u64 create;
__u64 qgroupid;
};
struct btrfs_ioctl_timespec {
__u64 sec;
__u32 nsec;
};
struct btrfs_ioctl_received_subvol_args {
char uuid[BTRFS_UUID_SIZE];
__u64 stransid;
__u64 rtransid;
struct btrfs_ioctl_timespec stime;
struct btrfs_ioctl_timespec rtime;
__u64 flags;
__u64 reserved[16];
};
#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
#define BTRFS_SEND_FLAG_VERSION 0x8
#define BTRFS_SEND_FLAG_COMPRESSED 0x10
#define BTRFS_SEND_FLAG_MASK (BTRFS_SEND_FLAG_NO_FILE_DATA | BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | BTRFS_SEND_FLAG_OMIT_END_CMD | BTRFS_SEND_FLAG_VERSION | BTRFS_SEND_FLAG_COMPRESSED)
struct btrfs_ioctl_send_args {
__s64 send_fd;
__u64 clone_sources_count;
__u64 __user * clone_sources;
__u64 parent_root;
__u64 flags;
__u32 version;
__u8 reserved[28];
};
struct btrfs_ioctl_get_subvol_info_args {
__u64 treeid;
char name[BTRFS_VOL_NAME_MAX + 1];
__u64 parent_id;
__u64 dirid;
__u64 generation;
__u64 flags;
__u8 uuid[BTRFS_UUID_SIZE];
__u8 parent_uuid[BTRFS_UUID_SIZE];
__u8 received_uuid[BTRFS_UUID_SIZE];
__u64 ctransid;
__u64 otransid;
__u64 stransid;
__u64 rtransid;
struct btrfs_ioctl_timespec ctime;
struct btrfs_ioctl_timespec otime;
struct btrfs_ioctl_timespec stime;
struct btrfs_ioctl_timespec rtime;
__u64 reserved[8];
};
#define BTRFS_MAX_ROOTREF_BUFFER_NUM 255
struct btrfs_ioctl_get_subvol_rootref_args {
__u64 min_treeid;
struct {
__u64 treeid;
__u64 dirid;
} rootref[BTRFS_MAX_ROOTREF_BUFFER_NUM];
__u8 num_items;
__u8 align[7];
};
struct btrfs_ioctl_encoded_io_args {
const struct iovec __user * iov;
unsigned long iovcnt;
__s64 offset;
__u64 flags;
__u64 len;
__u64 unencoded_len;
__u64 unencoded_offset;
__u32 compression;
__u32 encryption;
__u8 reserved[64];
};
#define BTRFS_ENCODED_IO_COMPRESSION_NONE 0
#define BTRFS_ENCODED_IO_COMPRESSION_ZLIB 1
#define BTRFS_ENCODED_IO_COMPRESSION_ZSTD 2
#define BTRFS_ENCODED_IO_COMPRESSION_LZO_4K 3
#define BTRFS_ENCODED_IO_COMPRESSION_LZO_8K 4
#define BTRFS_ENCODED_IO_COMPRESSION_LZO_16K 5
#define BTRFS_ENCODED_IO_COMPRESSION_LZO_32K 6
#define BTRFS_ENCODED_IO_COMPRESSION_LZO_64K 7
#define BTRFS_ENCODED_IO_COMPRESSION_TYPES 8
#define BTRFS_ENCODED_IO_ENCRYPTION_NONE 0
#define BTRFS_ENCODED_IO_ENCRYPTION_TYPES 1
enum btrfs_err_code {
BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1,
BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
BTRFS_ERROR_DEV_TGT_REPLACE,
BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
BTRFS_ERROR_DEV_ONLY_WRITABLE,
BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS,
BTRFS_ERROR_DEV_RAID1C3_MIN_NOT_MET,
BTRFS_ERROR_DEV_RAID1C4_MIN_NOT_MET,
};
#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)
#define BTRFS_IOC_FORGET_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, struct btrfs_ioctl_vol_args)
#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_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, struct btrfs_ioctl_search_args_v2)
#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_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, struct btrfs_ioctl_vol_args_v2)
#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(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_logical_ino_args)
#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, struct btrfs_ioctl_received_subvol_args)
#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, struct btrfs_ioctl_quota_ctl_args)
#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, struct btrfs_ioctl_qgroup_assign_args)
#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, struct btrfs_ioctl_qgroup_create_args)
#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, struct btrfs_ioctl_qgroup_limit_args)
#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, struct btrfs_ioctl_quota_rescan_args)
#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, struct btrfs_ioctl_quota_rescan_args)
#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
#define BTRFS_IOC_GET_FSLABEL FS_IOC_GETFSLABEL
#define BTRFS_IOC_SET_FSLABEL FS_IOC_SETFSLABEL
#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, struct btrfs_ioctl_get_dev_stats)
#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, struct btrfs_ioctl_dev_replace_args)
#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, struct btrfs_ioctl_same_args)
#define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags)
#define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags[2])
#define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags[3])
#define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, struct btrfs_ioctl_vol_args_v2)
#define BTRFS_IOC_LOGICAL_INO_V2 _IOWR(BTRFS_IOCTL_MAGIC, 59, struct btrfs_ioctl_logical_ino_args)
#define BTRFS_IOC_GET_SUBVOL_INFO _IOR(BTRFS_IOCTL_MAGIC, 60, struct btrfs_ioctl_get_subvol_info_args)
#define BTRFS_IOC_GET_SUBVOL_ROOTREF _IOWR(BTRFS_IOCTL_MAGIC, 61, struct btrfs_ioctl_get_subvol_rootref_args)
#define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, struct btrfs_ioctl_ino_lookup_user_args)
#define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, struct btrfs_ioctl_vol_args_v2)
#define BTRFS_IOC_ENCODED_READ _IOR(BTRFS_IOCTL_MAGIC, 64, struct btrfs_ioctl_encoded_io_args)
#define BTRFS_IOC_ENCODED_WRITE _IOW(BTRFS_IOCTL_MAGIC, 64, struct btrfs_ioctl_encoded_io_args)
#endif
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