Update kernel uapi headers to v3.16.1.

Other changes to support the new headers:

- Remove the flock64 structure it is defined in the new headers.
- Update the syscalls to correspond with the headers.

Change-Id: I49a6b07e8b2bfffb67be71b07b58e4e6848fcc09
diff --git a/libc/kernel/uapi/linux/btrfs.h b/libc/kernel/uapi/linux/btrfs.h
index 11f950f..db4ef2a 100644
--- a/libc/kernel/uapi/linux/btrfs.h
+++ b/libc/kernel/uapi/linux/btrfs.h
@@ -37,408 +37,423 @@
 #define BTRFS_FSID_SIZE 16
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_UUID_SIZE 16
+#define BTRFS_UUID_UNPARSED_SIZE 37
 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
 struct btrfs_qgroup_limit {
- __u64 flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 flags;
  __u64 max_rfer;
  __u64 max_excl;
  __u64 rsv_rfer;
- __u64 rsv_excl;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 rsv_excl;
 };
 struct btrfs_qgroup_inherit {
  __u64 flags;
- __u64 num_qgroups;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 num_qgroups;
  __u64 num_ref_copies;
  __u64 num_excl_copies;
  struct btrfs_qgroup_limit lim;
- __u64 qgroups[0];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 qgroups[0];
 };
 struct btrfs_ioctl_qgroup_limit_args {
  __u64 qgroupid;
- struct btrfs_qgroup_limit lim;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct btrfs_qgroup_limit lim;
 };
 #define BTRFS_SUBVOL_NAME_MAX 4039
 struct btrfs_ioctl_vol_args_v2 {
- __s64 fd;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s64 fd;
  __u64 transid;
  __u64 flags;
  union {
- struct {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct {
  __u64 size;
  struct btrfs_qgroup_inherit __user *qgroup_inherit;
  };
- __u64 unused[4];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 unused[4];
  };
  char name[BTRFS_SUBVOL_NAME_MAX + 1];
 };
-struct btrfs_scrub_progress {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct btrfs_scrub_progress {
  __u64 data_extents_scrubbed;
  __u64 tree_extents_scrubbed;
  __u64 data_bytes_scrubbed;
- __u64 tree_bytes_scrubbed;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 tree_bytes_scrubbed;
  __u64 read_errors;
  __u64 csum_errors;
  __u64 verify_errors;
- __u64 no_csum;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 no_csum;
  __u64 csum_discards;
  __u64 super_errors;
  __u64 malloc_errors;
- __u64 uncorrectable_errors;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 uncorrectable_errors;
  __u64 corrected_errors;
  __u64 last_physical;
  __u64 unverified_errors;
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 #define BTRFS_SCRUB_READONLY 1
 struct btrfs_ioctl_scrub_args {
  __u64 devid;
- __u64 start;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 start;
  __u64 end;
  __u64 flags;
  struct btrfs_scrub_progress progress;
- __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __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 {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+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];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __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
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#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;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 replace_state;
  __u64 progress_1000;
  __u64 time_started;
  __u64 time_stopped;
- __u64 num_write_errors;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __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
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#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
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
 struct btrfs_ioctl_dev_replace_args {
  __u64 cmd;
  __u64 result;
- union {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ union {
  struct btrfs_ioctl_dev_replace_start_params start;
  struct btrfs_ioctl_dev_replace_status_params status;
  };
- __u64 spare[64];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 spare[64];
 };
 struct btrfs_ioctl_dev_info_args {
  __u64 devid;
- __u8 uuid[BTRFS_UUID_SIZE];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 uuid[BTRFS_UUID_SIZE];
  __u64 bytes_used;
  __u64 total_bytes;
  __u64 unused[379];
- __u8 path[BTRFS_DEVICE_PATH_NAME_MAX];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 path[BTRFS_DEVICE_PATH_NAME_MAX];
 };
 struct btrfs_ioctl_fs_info_args {
  __u64 max_id;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 num_devices;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 fsid[BTRFS_FSID_SIZE];
- __u64 reserved[124];
-};
-struct btrfs_ioctl_feature_flags {
+ __u32 nodesize;
+ __u32 sectorsize;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 clone_alignment;
+ __u32 reserved32;
+ __u64 reserved[122];
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct btrfs_ioctl_feature_flags {
  __u64 compat_flags;
  __u64 compat_ro_flags;
  __u64 incompat_flags;
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 #define BTRFS_BALANCE_CTL_PAUSE 1
 #define BTRFS_BALANCE_CTL_CANCEL 2
 struct btrfs_balance_args {
- __u64 profiles;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 profiles;
  __u64 usage;
  __u64 devid;
  __u64 pstart;
- __u64 pend;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 pend;
  __u64 vstart;
  __u64 vend;
  __u64 target;
- __u64 flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 unused[8];
+ __u64 flags;
+ __u64 limit;
+ __u64 unused[7];
 } __attribute__ ((__packed__));
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_balance_progress {
  __u64 expected;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 considered;
  __u64 completed;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
 #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_balance_args {
  __u64 flags;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 state;
  struct btrfs_balance_args data;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct btrfs_balance_args meta;
  struct btrfs_balance_args sys;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct btrfs_balance_progress stat;
  __u64 unused[72];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_ino_lookup_args {
  __u64 treeid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 objectid;
  char name[BTRFS_INO_LOOKUP_PATH_MAX];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct btrfs_ioctl_search_key {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 tree_id;
  __u64 min_objectid;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 max_objectid;
  __u64 min_offset;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 max_offset;
  __u64 min_transid;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 max_transid;
  __u32 min_type;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 max_type;
  __u32 nr_items;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 unused;
  __u64 unused1;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 unused2;
  __u64 unused3;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 unused4;
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_search_header {
  __u64 transid;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 objectid;
  __u64 offset;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 type;
  __u32 len;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_search_args {
  struct btrfs_ioctl_search_key key;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct btrfs_ioctl_search_args_v2 {
+ struct btrfs_ioctl_search_key key;
+ __u64 buf_size;
+ __u64 buf[0];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 struct btrfs_ioctl_clone_range_args {
  __s64 src_fd;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 src_offset, src_length;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 dest_offset;
 };
 #define BTRFS_DEFRAG_RANGE_COMPRESS 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_DEFRAG_RANGE_START_IO 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_SAME_DATA_DIFFERS 1
 struct btrfs_ioctl_same_extent_info {
  __s64 fd;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 logical_offset;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 bytes_deduped;
  __s32 status;
  __u32 reserved;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_same_args {
  __u64 logical_offset;
  __u64 length;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 dest_count;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 reserved1;
  __u32 reserved2;
  struct btrfs_ioctl_same_extent_info info[0];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_space_info {
  __u64 flags;
  __u64 total_bytes;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 used_bytes;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct btrfs_ioctl_space_args {
  __u64 space_slots;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 total_spaces;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct btrfs_ioctl_space_info spaces[0];
 };
 struct btrfs_data_container {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 bytes_left;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 bytes_missing;
  __u32 elem_cnt;
  __u32 elem_missed;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 val[0];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct btrfs_ioctl_ino_path_args {
  __u64 inum;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 size;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 reserved[4];
  __u64 fspath;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_logical_ino_args {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 logical;
  __u64 size;
  __u64 reserved[4];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 inodes;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 enum btrfs_dev_stat_values {
  BTRFS_DEV_STAT_WRITE_ERRS,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_DEV_STAT_READ_ERRS,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_DEV_STAT_FLUSH_ERRS,
  BTRFS_DEV_STAT_CORRUPTION_ERRS,
  BTRFS_DEV_STAT_GENERATION_ERRS,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_DEV_STAT_VALUES_MAX
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define BTRFS_DEV_STATS_RESET (1ULL << 0)
 struct btrfs_ioctl_get_dev_stats {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 devid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 nr_items;
  __u64 flags;
  __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define BTRFS_QUOTA_CTL_ENABLE 1
 #define BTRFS_QUOTA_CTL_DISABLE 2
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_quota_ctl_args {
  __u64 cmd;
  __u64 status;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_quota_rescan_args {
  __u64 flags;
  __u64 progress;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 reserved[6];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct btrfs_ioctl_qgroup_assign_args {
  __u64 assign;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 src;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 dst;
 };
 struct btrfs_ioctl_qgroup_create_args {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 create;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 qgroupid;
 };
 struct btrfs_ioctl_timespec {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 sec;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 nsec;
 };
 struct btrfs_ioctl_received_subvol_args {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char uuid[BTRFS_UUID_SIZE];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 stransid;
  __u64 rtransid;
  struct btrfs_ioctl_timespec stime;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct btrfs_ioctl_timespec rtime;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 flags;
  __u64 reserved[16];
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
 #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
 #define BTRFS_SEND_FLAG_MASK   (BTRFS_SEND_FLAG_NO_FILE_DATA |   BTRFS_SEND_FLAG_OMIT_STREAM_HEADER |   BTRFS_SEND_FLAG_OMIT_END_CMD)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct btrfs_ioctl_send_args {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __s64 send_fd;
  __u64 clone_sources_count;
  __u64 __user *clone_sources;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 parent_root;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 flags;
  __u64 reserved[4];
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum btrfs_err_code {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  notused,
  BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET,
  BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
  BTRFS_ERROR_DEV_TGT_REPLACE,
  BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_ERROR_DEV_ONLY_WRITABLE,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
 };
 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1,   struct btrfs_ioctl_vol_args)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2,   struct btrfs_ioctl_vol_args)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11,   struct btrfs_ioctl_vol_args)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15,   struct btrfs_ioctl_vol_args)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)