| /* |
| * 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 _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 |
| |
| /* 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_DEVICE_PATH_NAME_MAX 1024 |
| |
| #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) |
| #define BTRFS_SUBVOL_RDONLY (1ULL << 1) |
| #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) |
| #define BTRFS_FSID_SIZE 16 |
| #define BTRFS_UUID_SIZE 16 |
| |
| #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) |
| |
| struct btrfs_qgroup_limit { |
| __u64 flags; |
| __u64 max_rfer; |
| __u64 max_excl; |
| __u64 rsv_rfer; |
| __u64 rsv_excl; |
| }; |
| |
| struct btrfs_qgroup_inherit { |
| __u64 flags; |
| __u64 num_qgroups; |
| __u64 num_ref_copies; |
| __u64 num_excl_copies; |
| struct btrfs_qgroup_limit lim; |
| __u64 qgroups[0]; |
| }; |
| |
| struct btrfs_ioctl_qgroup_limit_args { |
| __u64 qgroupid; |
| struct btrfs_qgroup_limit lim; |
| }; |
| |
| #define BTRFS_SUBVOL_NAME_MAX 4039 |
| 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]; |
| }; |
| 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_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; /* in, if 0, use srcdev_name instead */ |
| __u64 cont_reading_from_srcdev_mode; /* in, see #define |
| * above */ |
| __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ |
| __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ |
| }; |
| |
| #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; /* out, see #define above */ |
| __u64 progress_1000; /* out, 0 <= x <= 1000 */ |
| __u64 time_started; /* out, seconds since 1-Jan-1970 */ |
| __u64 time_stopped; /* out, seconds since 1-Jan-1970 */ |
| __u64 num_write_errors; /* out */ |
| __u64 num_uncorrectable_read_errors; /* out */ |
| }; |
| |
| #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 |
| struct btrfs_ioctl_dev_replace_args { |
| __u64 cmd; /* in */ |
| __u64 result; /* out */ |
| |
| union { |
| struct btrfs_ioctl_dev_replace_start_params start; |
| struct btrfs_ioctl_dev_replace_status_params status; |
| }; /* in/out */ |
| |
| __u64 spare[64]; |
| }; |
| |
| 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 */ |
| }; |
| |
| struct btrfs_ioctl_feature_flags { |
| __u64 compat_flags; |
| __u64 compat_ro_flags; |
| __u64 incompat_flags; |
| }; |
| |
| /* 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 |
| |
| #define BTRFS_SAME_DATA_DIFFERS 1 |
| /* For extent-same ioctl */ |
| struct btrfs_ioctl_same_extent_info { |
| __s64 fd; /* in - destination file */ |
| __u64 logical_offset; /* in - start of extent in destination */ |
| __u64 bytes_deduped; /* out - total # of bytes we were able |
| * to dedupe from this file */ |
| /* status of this dedupe operation: |
| * 0 if dedup succeeds |
| * < 0 for error |
| * == BTRFS_SAME_DATA_DIFFERS if data differs |
| */ |
| __s32 status; /* out - see above description */ |
| __u32 reserved; |
| }; |
| |
| struct btrfs_ioctl_same_args { |
| __u64 logical_offset; /* in - start of extent in source */ |
| __u64 length; /* in - length of extent */ |
| __u16 dest_count; /* in - total elements in info array */ |
| __u16 reserved1; |
| __u32 reserved2; |
| struct btrfs_ioctl_same_extent_info info[0]; |
| }; |
| |
| 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 */ |
| __u64 size; /* in */ |
| __u64 reserved[4]; |
| /* struct btrfs_data_container *fspath; out */ |
| __u64 fspath; /* out */ |
| }; |
| |
| struct btrfs_ioctl_logical_ino_args { |
| __u64 logical; /* in */ |
| __u64 size; /* in */ |
| __u64 reserved[4]; |
| /* struct btrfs_data_container *inodes; out */ |
| __u64 inodes; |
| }; |
| |
| enum btrfs_dev_stat_values { |
| /* disk I/O failure stats */ |
| BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| |
| /* stats for indirect indications for I/O failures */ |
| BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or |
| * contents is illegal: this is an |
| * indication that the block was damaged |
| * during read or write, or written to |
| * wrong location or read from wrong |
| * location */ |
| BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not |
| * been written */ |
| |
| BTRFS_DEV_STAT_VALUES_MAX |
| }; |
| |
| /* Reset statistics after reading; needs SYS_ADMIN capability */ |
| #define BTRFS_DEV_STATS_RESET (1ULL << 0) |
| |
| struct btrfs_ioctl_get_dev_stats { |
| __u64 devid; /* in */ |
| __u64 nr_items; /* in/out */ |
| __u64 flags; /* in/out */ |
| |
| /* out values: */ |
| __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; |
| |
| __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ |
| }; |
| |
| #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]; /* in */ |
| __u64 stransid; /* in */ |
| __u64 rtransid; /* out */ |
| struct btrfs_ioctl_timespec stime; /* in */ |
| struct btrfs_ioctl_timespec rtime; /* out */ |
| __u64 flags; /* in */ |
| __u64 reserved[16]; /* in */ |
| }; |
| |
| /* |
| * Caller doesn't want file data in the send stream, even if the |
| * search of clone sources doesn't find an extent. UPDATE_EXTENT |
| * commands will be sent instead of WRITE commands. |
| */ |
| #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 |
| |
| /* |
| * Do not add the leading stream header. Used when multiple snapshots |
| * are sent back to back. |
| */ |
| #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 |
| |
| /* |
| * Omit the command at the end of the stream that indicated the end |
| * of the stream. This option is used when multiple snapshots are |
| * sent back to back. |
| */ |
| #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) |
| |
| struct btrfs_ioctl_send_args { |
| __s64 send_fd; /* in */ |
| __u64 clone_sources_count; /* in */ |
| __u64 __user *clone_sources; /* in */ |
| __u64 parent_root; /* in */ |
| __u64 flags; /* in */ |
| __u64 reserved[4]; /* in */ |
| }; |
| |
| /* Error codes as returned by the kernel */ |
| enum btrfs_err_code { |
| notused, |
| BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET, |
| 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 |
| }; |
| /* An error code to error string mapping for the kernel |
| * error codes |
| */ |
| static inline char *btrfs_err_str(enum btrfs_err_code err_code) |
| { |
| switch (err_code) { |
| case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET: |
| return "unable to go below two devices on raid1"; |
| case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET: |
| return "unable to go below four devices on raid10"; |
| case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET: |
| return "unable to go below two devices on raid5"; |
| case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET: |
| return "unable to go below three devices on raid6"; |
| case BTRFS_ERROR_DEV_TGT_REPLACE: |
| return "unable to remove the dev_replace target dev"; |
| case BTRFS_ERROR_DEV_MISSING_NOT_FOUND: |
| return "no missing devices found to remove"; |
| case BTRFS_ERROR_DEV_ONLY_WRITABLE: |
| return "unable to remove the only writeable device"; |
| case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS: |
| return "add/delete/balance/replace/resize operation "\ |
| "in progress"; |
| default: |
| return NULL; |
| } |
| } |
| |
| #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_GLOBAL_RSV _IOR(BTRFS_IOCTL_MAGIC, 20, __u64) |
| #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_ino_path_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 _IOR(BTRFS_IOCTL_MAGIC, 49, \ |
| char[BTRFS_LABEL_SIZE]) |
| #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \ |
| char[BTRFS_LABEL_SIZE]) |
| #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]) |
| |
| #endif /* _UAPI_LINUX_BTRFS_H */ |