PATH:
usr
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include
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linux
/* * 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 _LINUX_BTRFS_H #define _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 /* 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_DEVICE_SPEC_BY_ID (1ULL << 3) #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \ (BTRFS_SUBVOL_CREATE_ASYNC | \ BTRFS_SUBVOL_RDONLY | \ BTRFS_SUBVOL_QGROUP_INHERIT | \ BTRFS_DEVICE_SPEC_BY_ID) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 #define BTRFS_UUID_UNPARSED_SIZE 37 /* * flags definition for qgroup limits * * Used by: * struct btrfs_qgroup_limit.flags * struct btrfs_qgroup_limit_item.flags */ #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; }; /* * flags definition for qgroup inheritance * * Used by: * struct btrfs_qgroup_inherit.flags */ #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[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 *qgroup_inherit; }; __u64 unused[4]; }; union { char name[BTRFS_SUBVOL_NAME_MAX + 1]; __u64 devid; }; }; /* * 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 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3 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 */ __u32 nodesize; /* out */ __u32 sectorsize; /* out */ __u32 clone_alignment; /* out */ __u32 reserved32; __u64 reserved[122]; /* pad to 1k */ }; /* * feature flags * * Used by: * struct btrfs_ioctl_feature_flags */ #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) /* * Older kernels (< 4.9) on big-endian systems produced broken free space tree * bitmaps, and btrfs-progs also used to corrupt the free space tree (versions * < 4.7.3). If this bit is clear, then the free space tree cannot be trusted. * btrfs-progs can also intentionally clear this bit to ask the kernel to * rebuild the free space tree, however this might not work on older kernels * that do not know about this bit. If not sure, clear the cache manually on * first mount when booting older kernel versions. */ #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1) #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) /* * some patches floated around with a second compression method * lets save that incompat here for when they do get in * Note we don't actually support it, we're just reserving the * number */ #define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4) /* * older kernels tried to do bigger metadata blocks, but the * code was pretty buggy. Lets not let them try anymore. */ #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) 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; union { __le64 usage; struct { __le32 usage_min; __le32 usage_max; }; }; __u64 devid; __u64 pstart; __u64 pend; __u64 vstart; __u64 vend; __u64 target; __u64 flags; /* * BTRFS_BALANCE_ARGS_LIMIT with value 'limit' * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum * and maximum */ union { __u64 limit; /* limit number of processed chunks */ struct { __u32 limit_min; __u32 limit_max; }; }; /* * Process chunks that cross stripes_min..stripes_max devices, * BTRFS_BALANCE_ARGS_STRIPES_RANGE */ __le32 stripes_min; __le32 stripes_max; __u64 unused[6]; } __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 */ }; /* * flags definition for balance * * Restriper's general type filter * * Used by: * btrfs_ioctl_balance_args.flags * btrfs_balance_control.flags (internal) */ #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) /* * flags definitions for per-type balance args * * Balance filters * * Used by: * struct btrfs_balance_args */ #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) /* * Profile changing flags. When SOFT is set we won't relocate chunk if * it already has the target profile (even though it may be * half-filled). */ #define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8) #define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9) /* * flags definition for balance state * * Used by: * struct btrfs_ioctl_balance_args.state */ #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_search_args_v2 { struct btrfs_ioctl_search_key key; /* in/out - search parameters */ __u64 buf_size; /* in - size of buffer * out - on EOVERFLOW: needed size * to store item */ __u64 buf[0]; /* out - found items */ }; struct btrfs_ioctl_clone_range_args { __s64 src_fd; __u64 src_offset, src_length; __u64 dest_offset; }; /* * flags definition for the defrag range ioctl * * Used by: * struct btrfs_ioctl_defrag_range_args.flags */ #define BTRFS_DEFRAG_RANGE_COMPRESS 1 #define BTRFS_DEFRAG_RANGE_START_IO 2 struct btrfs_ioctl_defrag_range_args { /* start of the defrag operation */ __u64 start; /* number of bytes to defrag, use (u64)-1 to say all */ __u64 len; /* * flags for the operation, which can include turning * on compression for this one defrag */ __u64 flags; /* * any extent bigger than this will be considered * already defragged. Use 0 to take the kernel default * Use 1 to say every single extent must be rewritten */ __u32 extent_thresh; /* * which compression method to use if turning on compression * for this defrag operation. If unspecified, zlib will * be used */ __u32 compress_type; /* spare for later */ __u32 unused[4]; }; #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 *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_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_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]) #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \ struct btrfs_ioctl_vol_args_v2) #endif /* _LINUX_BTRFS_H */
[+]
..
[-] sysinfo.h
[edit]
[-] mroute.h
[edit]
[-] if_eql.h
[edit]
[-] serial_core.h
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[-] membarrier.h
[edit]
[-] sched.h
[edit]
[-] mei.h
[edit]
[-] bfs_fs.h
[edit]
[-] atmlec.h
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[-] v4l2-mediabus.h
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[-] videodev2.h
[edit]
[-] screen_info.h
[edit]
[-] if_slip.h
[edit]
[-] uuid.h
[edit]
[-] version.h
[edit]
[-] ipv6_route.h
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[-] ixjuser.h
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[-] pkt_cls.h
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[-] atm_he.h
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[-] raw.h
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[-] msdos_fs.h
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[-] mman.h
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[-] aio_abi.h
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[-] reboot.h
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[-] snmp.h
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[-] atm_eni.h
[edit]
[-] netfilter_bridge.h
[edit]
[-] patchkey.h
[edit]
[-] string.h
[edit]
[-] socket.h
[edit]
[+]
spi
[-] auxvec.h
[edit]
[-] sockios.h
[edit]
[-] keyboard.h
[edit]
[-] scc.h
[edit]
[-] dn.h
[edit]
[-] unistd.h
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[-] oom.h
[edit]
[-] pkt_sched.h
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[-] if_phonet.h
[edit]
[+]
byteorder
[-] if_arcnet.h
[edit]
[+]
caif
[-] fd.h
[edit]
[-] radeonfb.h
[edit]
[-] qnx4_fs.h
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[-] nfs2.h
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[-] magic.h
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[-] target_core_user.h
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[-] atm_zatm.h
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[-] pci.h
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[-] nfsacl.h
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[-] if_packet.h
[edit]
[-] arcfb.h
[edit]
[-] nfs_mount.h
[edit]
[-] fib_rules.h
[edit]
[-] atmsap.h
[edit]
[+]
dvb
[-] cciss_defs.h
[edit]
[+]
netfilter_ipv6
[-] atmdev.h
[edit]
[-] kexec.h
[edit]
[-] ipc.h
[edit]
[-] sock_diag.h
[edit]
[+]
wimax
[-] serial.h
[edit]
[-] if_link.h
[edit]
[-] route.h
[edit]
[-] if_bonding.h
[edit]
[-] auto_fs.h
[edit]
[-] pg.h
[edit]
[-] l2tp.h
[edit]
[-] perf_event.h
[edit]
[-] tcp_metrics.h
[edit]
[-] v4l2-controls.h
[edit]
[-] personality.h
[edit]
[-] dcbnl.h
[edit]
[-] netfilter_arp.h
[edit]
[-] toshiba.h
[edit]
[-] memfd.h
[edit]
[-] resource.h
[edit]
[-] tipc.h
[edit]
[-] virtio_vsock.h
[edit]
[-] atm_tcp.h
[edit]
[-] cn_proc.h
[edit]
[-] utime.h
[edit]
[-] nbd.h
[edit]
[-] netfilter_ipv6.h
[edit]
[-] meye.h
[edit]
[-] gfs2_ondisk.h
[edit]
[-] som.h
[edit]
[-] ncp_mount.h
[edit]
[-] coda.h
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[-] hw_breakpoint.h
[edit]
[-] shm.h
[edit]
[-] wanrouter.h
[edit]
[-] kernel-page-flags.h
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[-] auto_fs4.h
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[-] ppp_defs.h
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[-] tty.h
[edit]
[-] sysctl.h
[edit]
[-] joystick.h
[edit]
[-] ip.h
[edit]
[-] jffs2.h
[edit]
[-] nfs3.h
[edit]
[-] if_infiniband.h
[edit]
[-] agpgart.h
[edit]
[+]
raid
[-] blkpg.h
[edit]
[-] virtio_ids.h
[edit]
[-] udp.h
[edit]
[-] swab.h
[edit]
[-] romfs_fs.h
[edit]
[-] fb.h
[edit]
[-] kvm_para.h
[edit]
[-] btrfs.h
[edit]
[-] efs_fs_sb.h
[edit]
[-] xfrm.h
[edit]
[-] iso_fs.h
[edit]
[-] serial_reg.h
[edit]
[-] virtio_gpu.h
[edit]
[-] sound.h
[edit]
[-] errno.h
[edit]
[-] kernelcapi.h
[edit]
[-] net_tstamp.h
[edit]
[-] isdnif.h
[edit]
[-] hiddev.h
[edit]
[-] ncp_fs.h
[edit]
[-] hdlc.h
[edit]
[-] fcntl.h
[edit]
[-] if.h
[edit]
[-] minix_fs.h
[edit]
[-] hdreg.h
[edit]
[-] virtio_9p.h
[edit]
[-] coff.h
[edit]
[-] elf-em.h
[edit]
[-] mqueue.h
[edit]
[+]
tc_ematch
[-] gameport.h
[edit]
[-] if_ether.h
[edit]
[-] if_addrlabel.h
[edit]
[-] ife.h
[edit]
[-] isdn_divertif.h
[edit]
[-] rds.h
[edit]
[-] fdreg.h
[edit]
[-] pmu.h
[edit]
[-] cuda.h
[edit]
[-] stat.h
[edit]
[-] virtio_net.h
[edit]
[-] posix_types.h
[edit]
[-] cyclades.h
[edit]
[-] baycom.h
[edit]
[-] ipv6.h
[edit]
[-] net_dropmon.h
[edit]
[-] ipmi_msgdefs.h
[edit]
[+]
netfilter_arp
[-] v4l2-subdev.h
[edit]
[-] vsockmon.h
[edit]
[-] neighbour.h
[edit]
[-] sctp.h
[edit]
[-] atmppp.h
[edit]
[-] usbdevice_fs.h
[edit]
[-] dm-ioctl.h
[edit]
[-] netconf.h
[edit]
[-] v4l2-dv-timings.h
[edit]
[-] chio.h
[edit]
[-] msg.h
[edit]
[+]
netfilter_ipv4
[-] netlink.h
[edit]
[-] genetlink.h
[edit]
[-] cgroupstats.h
[edit]
[-] i8k.h
[edit]
[-] cciss_ioctl.h
[edit]
[-] major.h
[edit]
[-] nfs_fs.h
[edit]
[-] rfkill.h
[edit]
[-] atm.h
[edit]
[-] fuse.h
[edit]
[-] fsl_hypervisor.h
[edit]
[-] atalk.h
[edit]
[-] ivtv.h
[edit]
[-] nfs4_mount.h
[edit]
[-] pps.h
[edit]
[-] nubus.h
[edit]
[-] ethtool.h
[edit]
[-] hpet.h
[edit]
[-] atmmpc.h
[edit]
[-] fou.h
[edit]
[-] dccp.h
[edit]
[-] if_pppox.h
[edit]
[-] media.h
[edit]
[-] dm-log-userspace.h
[edit]
[-] ndctl.h
[edit]
[-] wmi.h
[edit]
[-] timex.h
[edit]
[-] mii.h
[edit]
[-] kd.h
[edit]
[-] if_pppol2tp.h
[edit]
[-] uinput.h
[edit]
[-] time.h
[edit]
[-] fadvise.h
[edit]
[-] phonet.h
[edit]
[-] dlm_device.h
[edit]
[-] bpf_perf_event.h
[edit]
[-] quota.h
[edit]
[-] ppdev.h
[edit]
[-] ivtvfb.h
[edit]
[-] if_plip.h
[edit]
[-] net_namespace.h
[edit]
[-] ipmi.h
[edit]
[-] vhost.h
[edit]
[-] v4l2-common.h
[edit]
[-] ultrasound.h
[edit]
[-] lp.h
[edit]
[-] wireless.h
[edit]
[-] keyctl.h
[edit]
[-] atm_idt77105.h
[edit]
[-] bt-bmc.h
[edit]
[-] netrom.h
[edit]
[-] rtc.h
[edit]
[-] types.h
[edit]
[-] qnxtypes.h
[edit]
[-] affs_hardblocks.h
[edit]
[-] if_ppp.h
[edit]
[-] prctl.h
[edit]
[-] firewire-cdev.h
[edit]
[-] sdla.h
[edit]
[-] atmbr2684.h
[edit]
[-] falloc.h
[edit]
[-] connector.h
[edit]
[+]
mmc
[-] rtnetlink.h
[edit]
[-] tty_flags.h
[edit]
[-] bpf.h
[edit]
[-] watchdog.h
[edit]
[-] bsg.h
[edit]
[-] kernel.h
[edit]
[-] reiserfs_fs.h
[edit]
[+]
can
[-] selinux_netlink.h
[edit]
[-] hdlcdrv.h
[edit]
[-] filter.h
[edit]
[-] hidraw.h
[edit]
[-] icmp.h
[edit]
[-] uio.h
[edit]
[-] if_ltalk.h
[edit]
[-] ppp-ioctl.h
[edit]
[-] vtpm_proxy.h
[edit]
[-] elfcore.h
[edit]
[-] limits.h
[edit]
[-] if_tunnel.h
[edit]
[-] if_fddi.h
[edit]
[-] uvcvideo.h
[edit]
[-] ioctl.h
[edit]
[-] capi.h
[edit]
[-] nvme_ioctl.h
[edit]
[-] dlm.h
[edit]
[-] tiocl.h
[edit]
[-] inotify.h
[edit]
[-] poll.h
[edit]
[-] rose.h
[edit]
[-] if_hippi.h
[edit]
[-] matroxfb.h
[edit]
[-] i2o-dev.h
[edit]
[-] tipc_config.h
[edit]
[-] ipsec.h
[edit]
[-] dlm_netlink.h
[edit]
[-] serio.h
[edit]
[-] cdrom.h
[edit]
[-] fanotify.h
[edit]
[-] virtio_blk.h
[edit]
[-] atmioc.h
[edit]
[-] securebits.h
[edit]
[-] bpf_common.h
[edit]
[-] if_team.h
[edit]
[-] omapfb.h
[edit]
[-] pktcdvd.h
[edit]
[-] phantom.h
[edit]
[-] atmapi.h
[edit]
[-] hyperv.h
[edit]
[-] stddef.h
[edit]
[-] vt.h
[edit]
[-] cycx_cfm.h
[edit]
[-] parport.h
[edit]
[-] ptrace.h
[edit]
[-] nfs.h
[edit]
[-] if_bridge.h
[edit]
[+]
netfilter_bridge
[-] unix_diag.h
[edit]
[-] times.h
[edit]
[-] n_r3964.h
[edit]
[-] nl80211.h
[edit]
[-] kvm.h
[edit]
[-] virtio_ring.h
[edit]
[-] bpqether.h
[edit]
[-] ip6_tunnel.h
[edit]
[-] sem.h
[edit]
[-] llc.h
[edit]
[-] omap3isp.h
[edit]
[-] virtio_types.h
[edit]
[-] xattr.h
[edit]
[-] netfilter.h
[edit]
[-] edd.h
[edit]
[-] inet_diag.h
[edit]
[-] vfio.h
[edit]
[-] un.h
[edit]
[-] termios.h
[edit]
[+]
usb
[-] firewire-constants.h
[edit]
[-] nfs4.h
[edit]
[-] atmclip.h
[edit]
[-] devlink.h
[edit]
[-] ip_vs.h
[edit]
[-] nfc.h
[edit]
[-] flat.h
[edit]
[-] elf.h
[edit]
[-] if_x25.h
[edit]
[-] mdio.h
[edit]
[-] isdn_ppp.h
[edit]
[+]
isdn
[-] cm4000_cs.h
[edit]
[-] nvram.h
[edit]
[-] param.h
[edit]
[-] dlm_plock.h
[edit]
[-] virtio_balloon.h
[edit]
[-] telephony.h
[edit]
[-] dlmconstants.h
[edit]
[-] tcp.h
[edit]
[-] futex.h
[edit]
[-] virtio_scsi.h
[edit]
[-] net.h
[edit]
[-] sonypi.h
[edit]
[-] wait.h
[edit]
[-] apm_bios.h
[edit]
[-] if_macsec.h
[edit]
[+]
hsi
[-] gigaset_dev.h
[edit]
[-] capability.h
[edit]
[-] errqueue.h
[edit]
[+]
netfilter
[-] a.out.h
[edit]
[-] utsname.h
[edit]
[-] gen_stats.h
[edit]
[-] kdev_t.h
[edit]
[-] if_vlan.h
[edit]
[-] lwtunnel.h
[edit]
[-] uhid.h
[edit]
[-] i2c-dev.h
[edit]
[-] wimax.h
[edit]
[-] openvswitch.h
[edit]
[-] virtio_input.h
[edit]
[-] sonet.h
[edit]
[+]
hdlc
[-] ppp-comp.h
[edit]
[-] veth.h
[edit]
[-] atmsvc.h
[edit]
[-] netlink_diag.h
[edit]
[-] hid.h
[edit]
[-] const.h
[edit]
[-] psample.h
[edit]
[-] vm_sockets.h
[edit]
[-] i2c.h
[edit]
[-] synclink.h
[edit]
[-] if_arp.h
[edit]
[-] pfkeyv2.h
[edit]
[-] virtio_config.h
[edit]
[-] if_fc.h
[edit]
[-] eventpoll.h
[edit]
[-] binfmts.h
[edit]
[-] soundcard.h
[edit]
[-] in6.h
[edit]
[-] b1lli.h
[edit]
[-] suspend_ioctls.h
[edit]
[-] loop.h
[edit]
[-] seccomp.h
[edit]
[-] blktrace_api.h
[edit]
[-] adfs_fs.h
[edit]
[-] netdevice.h
[edit]
[-] virtio_console.h
[edit]
[-] dqblk_xfs.h
[edit]
[-] netfilter_decnet.h
[edit]
[-] mmtimer.h
[edit]
[-] can.h
[edit]
[-] adb.h
[edit]
[-] acct.h
[edit]
[-] ax25.h
[edit]
[-] coda_psdev.h
[edit]
[-] elf-fdpic.h
[edit]
[-] virtio_rng.h
[edit]
[-] signal.h
[edit]
[-] libc-compat.h
[edit]
[-] taskstats.h
[edit]
[-] ncp_no.h
[edit]
[-] ipx.h
[edit]
[-] userfaultfd.h
[edit]
[-] mempolicy.h
[edit]
[-] icmpv6.h
[edit]
[-] atmarp.h
[edit]
[-] if_frad.h
[edit]
[-] signalfd.h
[edit]
[-] irda.h
[edit]
[-] fiemap.h
[edit]
[-] virtio_pci.h
[edit]
[-] if_cablemodem.h
[edit]
[-] in_route.h
[edit]
[-] mpls.h
[edit]
[-] input.h
[edit]
[-] nfs_idmap.h
[edit]
[-] cramfs_fs.h
[edit]
[-] ptp_clock.h
[edit]
[-] audit.h
[edit]
[-] if_tun.h
[edit]
[-] igmp.h
[edit]
[-] if_alg.h
[edit]
[-] random.h
[edit]
[-] netfilter_ipv4.h
[edit]
[-] atm_nicstar.h
[edit]
[-] packet_diag.h
[edit]
[-] x25.h
[edit]
[+]
tc_act
[-] in.h
[edit]
[-] irqnr.h
[edit]
[-] ncp.h
[edit]
[-] reiserfs_xattr.h
[edit]
[+]
iio
[-] fs.h
[edit]
[-] map_to_7segment.h
[edit]
[+]
sunrpc
[-] if_addr.h
[edit]
[-] mtio.h
[edit]
[+]
nfsd
[-] hysdn_if.h
[edit]
[-] pci_regs.h
[edit]
[-] mroute6.h
[edit]
[-] isdn.h
[edit]
[-] udf_fs_i.h
[edit]