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sys/linux: add BTRFS specific ioctls

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Add the ioctls specific to BTRFS (linux v5.8).
This commit is contained in:
Jiaheng Hu 2020-07-28 22:44:47 +00:00 committed by Eric Biggers
parent 94b457068c
commit ed282a3a90
2 changed files with 562 additions and 9 deletions
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448
sys/linux/fs_ioctl_btrfs.txt
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@ -1,7 +1,449 @@
# Copyright 2018 syzkaller project authors. All rights reserved.
# Copyright 2020 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
include <uapi/linux/btrfs.h>
include <uapi/linux/btrfs_tree.h>
include <linux/refcount.h>
include <linux/spinlock_types.h>
include <linux/types.h>
include <linux/blk_types.h>
include <linux/wait.h>
include <fs/btrfs/compression.h>
# TODO: add the ioctls
_ = BTRFS_IOC_SNAP_CREATE, BTRFS_IOC_DEFRAG, BTRFS_IOC_RESIZE, BTRFS_IOC_SCAN_DEV, BTRFS_IOC_TRANS_START, BTRFS_IOC_TRANS_END, BTRFS_IOC_SYNC, BTRFS_IOC_CLONE, BTRFS_IOC_ADD_DEV, BTRFS_IOC_RM_DEV, BTRFS_IOC_BALANCE, BTRFS_IOC_CLONE_RANGE, BTRFS_IOC_SUBVOL_CREATE, BTRFS_IOC_SNAP_DESTROY, BTRFS_IOC_FILE_EXTENT_SAME
ioctl$BTRFS_IOC_SNAP_CREATE(fd fd, cmd const[BTRFS_IOC_SNAP_CREATE], arg ptr[in, btrfs_ioctl_vol_args])
ioctl$BTRFS_IOC_SNAP_CREATE_V2(fd fd, cmd const[BTRFS_IOC_SNAP_CREATE_V2], arg ptr[in, btrfs_ioctl_vol_args_v2])
ioctl$BTRFS_IOC_SUBVOL_CREATE(fd fd, cmd const[BTRFS_IOC_SUBVOL_CREATE], arg ptr[in, btrfs_ioctl_vol_args])
ioctl$BTRFS_IOC_SUBVOL_CREATE_V2(fd fd, cmd const[BTRFS_IOC_SUBVOL_CREATE_V2], arg ptr[in, btrfs_ioctl_vol_args_v2])
ioctl$BTRFS_IOC_SNAP_DESTROY(fd fd, cmd const[BTRFS_IOC_SNAP_DESTROY], arg ptr[in, btrfs_ioctl_vol_args])
ioctl$BTRFS_IOC_SNAP_DESTROY_V2(fd fd, cmd const[BTRFS_IOC_SNAP_DESTROY_V2], arg ptr[in, btrfs_ioctl_vol_args_v2])
ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(fd fd, cmd const[BTRFS_IOC_SUBVOL_GETFLAGS], arg ptr[out, int64])
ioctl$BTRFS_IOC_SUBVOL_SETFLAGS(fd fd, cmd const[BTRFS_IOC_SUBVOL_SETFLAGS], arg ptr[in, flags[btrfs_subvol_flags, int64]])
ioctl$BTRFS_IOC_DEFAULT_SUBVOL(fd fd, cmd const[BTRFS_IOC_DEFAULT_SUBVOL], arg ptr[in, subvolid])
ioctl$BTRFS_IOC_DEFRAG(fd fd, cmd const[BTRFS_IOC_DEFRAG], arg const[0])
ioctl$BTRFS_IOC_DEFRAG_RANGE(fd fd, cmd const[BTRFS_IOC_DEFRAG_RANGE], arg ptr[in, btrfs_ioctl_defrag_range_args, opt])
ioctl$BTRFS_IOC_RESIZE(fd fd, cmd const[BTRFS_IOC_RESIZE], arg ptr[in, btrfs_ioctl_resize_args])
ioctl$BTRFS_IOC_ADD_DEV(fd fd, cmd const[BTRFS_IOC_ADD_DEV], arg ptr[in, btrfs_ioctl_vol_args])
ioctl$BTRFS_IOC_RM_DEV(fd fd, cmd const[BTRFS_IOC_RM_DEV], arg ptr[in, btrfs_ioctl_vol_args])
ioctl$BTRFS_IOC_RM_DEV_V2(fd fd, cmd const[BTRFS_IOC_RM_DEV_V2], arg ptr[in, btrfs_ioctl_vol_args_v2])
ioctl$BTRFS_IOC_FS_INFO(fd fd, cmd const[BTRFS_IOC_FS_INFO], arg ptr[out, btrfs_ioctl_fs_info_args])
ioctl$BTRFS_IOC_DEV_INFO(fd fd, cmd const[BTRFS_IOC_DEV_INFO], arg ptr[inout, btrfs_ioctl_dev_info_args])
ioctl$BTRFS_IOC_BALANCE(fd fd, cmd const[BTRFS_IOC_BALANCE], arg const[0])
ioctl$BTRFS_IOC_TREE_SEARCH(fd fd, cmd const[BTRFS_IOC_TREE_SEARCH], arg ptr[inout, btrfs_ioctl_search_args])
ioctl$BTRFS_IOC_TREE_SEARCH_V2(fd fd, cmd const[BTRFS_IOC_TREE_SEARCH_V2], arg ptr[inout, btrfs_ioctl_search_args_v2])
ioctl$BTRFS_IOC_INO_LOOKUP(fd fd, cmd const[BTRFS_IOC_INO_LOOKUP], arg ptr[in, btrfs_ioctl_ino_lookup_args])
ioctl$BTRFS_IOC_INO_PATHS(fd fd, cmd const[BTRFS_IOC_INO_PATHS], arg ptr[inout, btrfs_ioctl_ino_path_args])
ioctl$BTRFS_IOC_LOGICAL_INO(fd fd, cmd const[BTRFS_IOC_LOGICAL_INO], arg ptr[inout, btrfs_ioctl_logical_ino_args])
ioctl$BTRFS_IOC_LOGICAL_INO_V2(fd fd, cmd const[BTRFS_IOC_LOGICAL_INO_V2], arg ptr[inout, btrfs_ioctl_logical_ino_args])
ioctl$BTRFS_IOC_SPACE_INFO(fd fd, cmd const[BTRFS_IOC_SPACE_INFO], arg ptr[inout, btrfs_ioctl_space_args])
ioctl$BTRFS_IOC_SYNC(fd fd, cmd const[BTRFS_IOC_SYNC], arg const[0])
ioctl$BTRFS_IOC_START_SYNC(fd fd, cmd const[BTRFS_IOC_START_SYNC], arg ptr[out, transid])
ioctl$BTRFS_IOC_WAIT_SYNC(fd fd, cmd const[BTRFS_IOC_WAIT_SYNC], arg ptr[in, transid, opt])
ioctl$BTRFS_IOC_SCRUB(fd fd, cmd const[BTRFS_IOC_SCRUB], arg ptr[inout, btrfs_ioctl_scrub_args])
ioctl$BTRFS_IOC_SCRUB_CANCEL(fd fd, cmd const[BTRFS_IOC_SCRUB_CANCEL], arg const[0])
ioctl$BTRFS_IOC_SCRUB_PROGRESS(fd fd, cmd const[BTRFS_IOC_SCRUB_PROGRESS], arg ptr[inout, btrfs_ioctl_scrub_args])
ioctl$BTRFS_IOC_BALANCE_V2(fd fd, cmd const[BTRFS_IOC_BALANCE_V2], arg ptr[inout, btrfs_ioctl_balance_args])
ioctl$BTRFS_IOC_BALANCE_CTL(fd fd, cmd const[BTRFS_IOC_BALANCE_CTL], arg flags[btrfs_balance_ctl_values])
ioctl$BTRFS_IOC_BALANCE_PROGRESS(fd fd, cmd const[BTRFS_IOC_BALANCE_PROGRESS], arg ptr[out, btrfs_ioctl_balance_args])
ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(fd fd, cmd const[BTRFS_IOC_SET_RECEIVED_SUBVOL], arg ptr[inout, btrfs_ioctl_received_subvol_args])
ioctl$BTRFS_IOC_SEND(fd fd, cmd const[BTRFS_IOC_SEND], arg ptr[in, btrfs_ioctl_send_args])
ioctl$BTRFS_IOC_GET_DEV_STATS(fd fd, cmd const[BTRFS_IOC_GET_DEV_STATS], arg ptr[inout, btrfs_ioctl_get_dev_stats])
ioctl$BTRFS_IOC_QUOTA_CTL(fd fd, cmd const[BTRFS_IOC_QUOTA_CTL], arg ptr[in, btrfs_ioctl_quota_ctl_args])
ioctl$BTRFS_IOC_QGROUP_ASSIGN(fd fd, cmd const[BTRFS_IOC_QGROUP_ASSIGN], arg ptr[in, btrfs_ioctl_qgroup_assign_args])
ioctl$BTRFS_IOC_QGROUP_CREATE(fd fd, cmd const[BTRFS_IOC_QGROUP_CREATE], arg ptr[in, btrfs_ioctl_qgroup_create_args])
ioctl$BTRFS_IOC_QGROUP_LIMIT(fd fd, cmd const[BTRFS_IOC_QGROUP_LIMIT], arg ptr[in, btrfs_ioctl_qgroup_limit_args])
ioctl$BTRFS_IOC_QUOTA_RESCAN(fd fd, cmd const[BTRFS_IOC_QUOTA_RESCAN], arg ptr[in, btrfs_ioctl_quota_rescan_args])
ioctl$BTRFS_IOC_QUOTA_RESCAN_STATUS(fd fd, cmd const[BTRFS_IOC_QUOTA_RESCAN_STATUS], arg ptr[out, btrfs_ioctl_quota_rescan_args])
ioctl$BTRFS_IOC_QUOTA_RESCAN_WAIT(fd fd, cmd const[BTRFS_IOC_QUOTA_RESCAN_WAIT], arg const[0])
ioctl$BTRFS_IOC_DEV_REPLACE(fd fd, cmd const[BTRFS_IOC_DEV_REPLACE], arg ptr[inout, btrfs_ioctl_dev_replace_args])
ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES(fd fd, cmd const[BTRFS_IOC_GET_SUPPORTED_FEATURES], arg ptr[out, array[btrfs_ioctl_feature_flags, 3]])
ioctl$BTRFS_IOC_GET_FEATURES(fd fd, cmd const[BTRFS_IOC_GET_FEATURES], arg ptr[out, btrfs_ioctl_feature_flags])
ioctl$BTRFS_IOC_SET_FEATURES(fd fd, cmd const[BTRFS_IOC_SET_FEATURES], arg ptr[in, btrfs_ioctl_feature_flags])
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(fd fd, cmd const[BTRFS_IOC_GET_SUBVOL_INFO], arg ptr[out, btrfs_ioctl_get_subvol_info_args])
ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(fd fd, cmd const[BTRFS_IOC_GET_SUBVOL_ROOTREF], arg ptr[inout, btrfs_ioctl_get_subvol_rootref_args])
ioctl$BTRFS_IOC_INO_LOOKUP_USER(fd fd, cmd const[BTRFS_IOC_INO_LOOKUP_USER], arg ptr[inout, btrfs_ioctl_ino_lookup_user_args])
resource transid[int64]
resource devid[int64]
resource treeid[int64]
resource dirid[int64]
# These should be a resource but it's not returned by any syscall. So we temporarily describe them as type
type qgroupid int64
type objectid int64
type subvolid objectid
#NEED: uuid should be a resource
define BTRFS_PATH_MAX BTRFS_PATH_NAME_MAX+1
define BTRFS_SUBVOL_MAX BTRFS_SUBVOL_NAME_MAX+1
#The following two struct needs to be customized to fit the need of each specific ioctls calling them
#But I still need more information in order to make the change
btrfs_ioctl_vol_args {
fd align64[fd]
name array[int8, BTRFS_PATH_MAX]
}
btrfs_ioctl_vol_args_v2 {
fd align64[fd]
transid transid
flags flags[btrfs_ioctl_vol_args_v2_flags, int64]
u1 btrfs_vol_args_v2_u1
u2 btrfs_vol_args_v2_u2
}
btrfs_vol_args_v2_u1 [
inherit btrfs_vol_args_v2_u1_s1
unused array[int64, 4]
]
btrfs_vol_args_v2_u2 [
name array[int8, BTRFS_SUBVOL_MAX]
devid devid
subvolid subvolid
]
btrfs_vol_args_v2_u1_s1 {
size bytesize[qgroup_inherit, int64]
qgroup_inherit ptr[in, btrfs_qgroup_inherit]
}
btrfs_qgroup_inherit {
flags flags[btrfs_qgroup_inherit_flags, int64]
num_qgroups len[qgroups, int64]
num_ref_copies int64
num_excl_copies int64
lim btrfs_qgroup_limit
qgroups array[qgroupid]
}
btrfs_qgroup_limit {
flags flags[btrfs_qgroup_limit_flags, int64]
max_rfer int64
max_excl int64
rsv_rfer int64
rsv_excl int64
}
btrfs_ioctl_defrag_range_args {
start int64
len int64
flags flags[btrfs_ioctl_defrag_range_args_flags, int64]
extent_thresh int32
compress_type flags[btrfs_compression_type, int32]
unused array[int32, 4]
}
btrfs_ioctl_fs_info_args {
max_id const[0, int64]
num_devices const[0, int64]
fsid array[const[0, int8], BTRFS_FSID_SIZE]
nodesize const[0, int32]
sectorize const[0, int32]
clone_alignment const[0, int32]
reserved32 const[0, int32]
reserved array[const[0, int64], 122]
}
btrfs_ioctl_dev_info_args {
devid devid
uuid array[int8, BTRFS_UUID_SIZE]
bytes_used const[0, int64]
total_bytes const[0, int64]
unused array[const[0, int64], 379]
path array[const[0, int8], BTRFS_DEVICE_PATH_NAME_MAX]
}
btrfs_ioctl_search_args {
key btrfs_ioctl_search_key
buf array[const[0, int8], BTRFS_SEARCH_ARGS_BUFSIZE]
}
btrfs_ioctl_search_key {
tree_id treeid
min_objectid int64
max_objectid int64
min_offset int64
max_offset int64
min_transid int64
max_transid int64
min_type int32
max_type int32
nr_items int32
unused int32
unused1 int64
unused2 int64
unused3 int64
unused4 int64
}
btrfs_ioctl_search_args_v2 {
key btrfs_ioctl_search_key
buf_size bytesize[buf, int64]
buf array[const[0, int64]]
}
btrfs_ioctl_ino_lookup_args {
treeid treeid
objectid objectid
name array[const[0, int8], BTRFS_INO_LOOKUP_PATH_MAX]
}
btrfs_ioctl_ino_path_args {
inum int64
size bytesize[fspath, int64]
reserved array[int64, 4]
fspath ptr64[out, array[const[0, int64]]]
}
btrfs_ioctl_logical_ino_args {
logical int64
size bytesize[inodes, int64]
reserved array[const[0, int64], 3]
flags flags[btrfs_ioctl_logical_ino_args_flags, int64]
inodes ptr64[out, array[const[0, int64]]]
}
btrfs_ioctl_space_args {
space_slots len[spaces, int64]
total_spaces int64
spaces array[array[const[0, int64], 3], 0:4096]
}
# btrfs_scrub_progress is ignored since that will only be used for out
btrfs_ioctl_scrub_args {
devid devid
start int64
end int64
flags flags[btrfs_ioctl_scrub_args_flags, int64]
unused array[const[0, int64], 124]
}
btrfs_ioctl_balance_args {
flags flags[btrfs_ioctl_balance_args_flags, int64]
state flags[btrfs_ioctl_balance_args_states, int64]
data btrfs_balance_args
meta btrfs_balance_args
sys btrfs_balance_args
stat btrfs_balance_progress
unused array[const[0, int64], 72]
}
btrfs_balance_args_u [
usage int64
struct btrfs_balance_args_u_s1
]
btrfs_balance_args_u_s1 {
usage_min int32
usage_max int32
}
btrfs_balance_args {
profiles int64
union1 btrfs_balance_args_u
devid devid
pstart int64
pend int64
vstart int64
vend int64
target int64
flags flags[btrfs_balance_args_flags, int64]
union2 btrfs_balance_args_u
stripes_min int32
stripes_max int32
unused array[int64, 6]
} [packed]
btrfs_balance_progress {
expected int64
considered int64
completed int64
}
btrfs_ioctl_received_subvol_args {
uuid array[int8, BTRFS_UUID_SIZE]
stransid transid
rtransid transid
stime btrfs_ioctl_timespec
rtime btrfs_ioctl_timespec
flags int64
reserved array[int64, 16]
}
btrfs_ioctl_timespec {
sec int64
msec int32
}
btrfs_ioctl_send_args {
send_fd align64[fd]
clone_sources_count len[clone_sources, int64]
clone_sources ptr[in, array[subvolid]]
parent_root int64
flags flags[btrfs_ioctl_send_flags, int64]
reserved array[int64, 4]
}
#This pads the struct to 1032 bytes. It was originally meant to pad to
#1024 bytes, but when adding the flags field, the padding calculation
#was not adjusted.
define BTRFS_DEV_PAD 128-2-BTRFS_DEV_STAT_VALUES_MAX
btrfs_ioctl_get_dev_stats {
devid devid
nr_items int64
flags flags[btrfs_ioctl_get_dev_stats_flags, int64]
values array[int64, BTRFS_DEV_STAT_VALUES_MAX]
unused array[int64, BTRFS_DEV_PAD]
}
btrfs_ioctl_quota_ctl_args {
cmd flags[btrfs_ioctl_quota_ctl_cmd, int64]
status int64
}
btrfs_ioctl_qgroup_assign_args {
assign bool64
src qgroupid
dst qgroupid
}
btrfs_ioctl_qgroup_create_args {
create bool64
qgroupid qgroupid
}
btrfs_ioctl_qgroup_limit_args {
qgroupid qgroupid
lim btrfs_qgroup_limit
}
btrfs_ioctl_quota_rescan_args {
flags const[0, int64]
progress int64
reserved array[int64, 6]
}
btrfs_ioctl_dev_replace_args_u [
start btrfs_ioctl_dev_replace_start_params
status btrfs_ioctl_dev_replace_status_params
]
btrfs_ioctl_dev_replace_args {
cmd flags[btrfs_ioctl_dev_replace_args_cmd, int64]
result int64
union1 btrfs_ioctl_dev_replace_args_u
spare array[int64, 64]
}
define BTRFS_DEVICE_MAX BTRFS_DEVICE_PATH_NAME_MAX + 1
btrfs_ioctl_dev_replace_start_params {
srcdevid devid
cont_reading_from_srcdev_mode flags[cont_reading_from_srcdev_mode_flags, int64]
srcdev_name array[int8, BTRFS_DEVICE_MAX]
tgtdev_name array[int8, BTRFS_DEVICE_MAX]
}
#this structure is just for out, hence no need to describe
btrfs_ioctl_dev_replace_status_params {
dummys array[int64, 6]
}
btrfs_ioctl_feature_flags {
compat_flags flags[btrfs_ioctl_feature_compat_flags, int64]
compat_ro_flags flags[btrfs_ioctl_feature_compat_ro_flags, int64]
incompat_flags flags[btrfs_ioctl_feature_incompat_flags, int64]
}
define BTRFS_VOL_MAX BTRFS_VOL_NAME_MAX+1
#described since the uuid, transid and treeid is going to be useful as resource
btrfs_ioctl_get_subvol_info_args {
treeid treeid
name array[int8, BTRFS_VOL_MAX]
parent_id treeid
dirid dirid
generation transid
flags int64
uuid array[int8, BTRFS_UUID_SIZE]
parent_uuid array[int8, BTRFS_UUID_SIZE]
received_uuid array[int8, BTRFS_UUID_SIZE]
ctransid transid
otransid transid
stransid transid
rtransid transid
ctime btrfs_ioctl_timespec
otime btrfs_ioctl_timespec
stime btrfs_ioctl_timespec
rtime btrfs_ioctl_timespec
reserved array[const[0, int64], 8]
}
btrfs_ioctl_get_subvol_rootref_args {
min_treeid int64
rootref array[btrfs_ioctl_get_subvol_rootref_args_s1, BTRFS_MAX_ROOTREF_BUFFER_NUM]
num_items int8
align array[int8, 7]
}
btrfs_ioctl_get_subvol_rootref_args_s1 {
treeid treeid
dirid dirid
}
btrfs_ioctl_ino_lookup_user_args {
dirid dirid
treeid treeid
name array[int8, BTRFS_VOL_MAX]
path array[int8, BTRFS_INO_LOOKUP_USER_PATH_MAX]
}
btrfs_ioctl_resize_args {
fd align64[fd]
name btrfs_ioctl_resize_string
}
btrfs_ioctl_resize_string {
devid optional[btrfs_devid_colon]
resize_num btrfs_ioctl_resize_size
} [packed]
btrfs_devid_colon {
devid fmt[dec, devid]
colon const[':', int8]
}
btrfs_ioctl_resize_size [
actul_num btrfs_ioctl_resize_size_num
max stringnoz["max"]
] [varlen]
btrfs_ioctl_resize_size_num {
plus_minus optional[flags[plus_minus, int8]]
num fmt[dec, int32]
kKmM flags[all_these_kKmM, int8]
} [packed]
plus_minus = '+', '-'
all_these_kKmM = 'k', 'K', 'm', 'M', 'g', 'G', 't', 'T', 'p', 'P', 'e', 'E'
btrfs_ioctl_vol_args_v2_flags = BTRFS_SUBVOL_RDONLY, BTRFS_SUBVOL_QGROUP_INHERIT, BTRFS_DEVICE_SPEC_BY_ID, BTRFS_SUBVOL_SPEC_BY_ID
btrfs_qgroup_inherit_flags = BTRFS_QGROUP_INHERIT_SET_LIMITS
btrfs_qgroup_limit_flags = BTRFS_QGROUP_LIMIT_MAX_RFER, BTRFS_QGROUP_LIMIT_MAX_EXCL, BTRFS_QGROUP_LIMIT_RSV_RFER, BTRFS_QGROUP_LIMIT_RSV_EXCL, BTRFS_QGROUP_LIMIT_RFER_CMPR, BTRFS_QGROUP_LIMIT_EXCL_CMPR
btrfs_subvol_flags = BTRFS_SUBVOL_RDONLY
btrfs_ioctl_defrag_range_args_flags = BTRFS_DEFRAG_RANGE_COMPRESS, BTRFS_DEFRAG_RANGE_START_IO
btrfs_compression_type = BTRFS_COMPRESS_NONE, BTRFS_COMPRESS_ZLIB, BTRFS_COMPRESS_LZO, BTRFS_COMPRESS_ZSTD
btrfs_ioctl_logical_ino_args_flags = BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET
btrfs_ioctl_scrub_args_flags = BTRFS_SCRUB_READONLY
btrfs_balance_ctl_values = BTRFS_BALANCE_CTL_PAUSE, BTRFS_BALANCE_CTL_CANCEL
btrfs_balance_args_flags = 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
btrfs_ioctl_balance_args_states = BTRFS_BALANCE_STATE_RUNNING, BTRFS_BALANCE_STATE_PAUSE_REQ, BTRFS_BALANCE_STATE_CANCEL_REQ
btrfs_ioctl_balance_args_flags = BTRFS_BALANCE_DATA, BTRFS_BALANCE_SYSTEM, BTRFS_BALANCE_METADATA, BTRFS_BALANCE_FORCE, BTRFS_BALANCE_RESUME
btrfs_ioctl_send_flags = BTRFS_SEND_FLAG_NO_FILE_DATA, BTRFS_SEND_FLAG_OMIT_STREAM_HEADER, BTRFS_SEND_FLAG_OMIT_END_CMD
btrfs_ioctl_get_dev_stats_flags = BTRFS_DEV_STATS_RESET
btrfs_ioctl_quota_ctl_cmd = BTRFS_QUOTA_CTL_ENABLE, BTRFS_QUOTA_CTL_DISABLE, BTRFS_QUOTA_CTL_RESCAN__NOTUSED
btrfs_ioctl_dev_replace_args_cmd = BTRFS_IOCTL_DEV_REPLACE_CMD_START, BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS, BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL, BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR, BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED, BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED, BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS
cont_reading_from_srcdev_mode_flags = BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS, BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID
btrfs_ioctl_feature_compat_flags = BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE, BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID
btrfs_ioctl_feature_compat_ro_flags = BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE, BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID
btrfs_ioctl_feature_incompat_flags = BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF, BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL, BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS, BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO, BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD

123
sys/linux/fs_ioctl_btrfs.txt.const
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@ -1,17 +1,128 @@
# Code generated by syz-sysgen. DO NOT EDIT.
arches = 386, amd64, arm, arm64, mips64le, ppc64le, riscv64, s390x
BTRFS_BALANCE_ARGS_DEVID = 4
BTRFS_BALANCE_ARGS_DRANGE = 8
BTRFS_BALANCE_ARGS_LIMIT = 32
BTRFS_BALANCE_ARGS_LIMIT_RANGE = 64
BTRFS_BALANCE_ARGS_PROFILES = 1
BTRFS_BALANCE_ARGS_STRIPES_RANGE = 128
BTRFS_BALANCE_ARGS_USAGE = 2
BTRFS_BALANCE_ARGS_USAGE_RANGE = 1024
BTRFS_BALANCE_ARGS_VRANGE = 16
BTRFS_BALANCE_CTL_CANCEL = 2
BTRFS_BALANCE_CTL_PAUSE = 1
BTRFS_BALANCE_DATA = 1
BTRFS_BALANCE_FORCE = 8
BTRFS_BALANCE_METADATA = 4
BTRFS_BALANCE_RESUME = 16
BTRFS_BALANCE_STATE_CANCEL_REQ = 4
BTRFS_BALANCE_STATE_PAUSE_REQ = 2
BTRFS_BALANCE_STATE_RUNNING = 1
BTRFS_BALANCE_SYSTEM = 2
BTRFS_COMPRESS_LZO = 2
BTRFS_COMPRESS_NONE = 0
BTRFS_COMPRESS_ZLIB = 1
BTRFS_COMPRESS_ZSTD = 3
BTRFS_DEFRAG_RANGE_COMPRESS = 1
BTRFS_DEFRAG_RANGE_START_IO = 2
BTRFS_DEVICE_MAX = 1025
BTRFS_DEVICE_PATH_NAME_MAX = 1024
BTRFS_DEVICE_SPEC_BY_ID = 8
BTRFS_DEV_PAD = 121
BTRFS_DEV_STATS_RESET = 1
BTRFS_DEV_STAT_VALUES_MAX = 5
BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE = 1
BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID = 2
BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO = 8
BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD = 16
BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL = 2
BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF = 1
BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS = 4
BTRFS_FSID_SIZE = 16
BTRFS_INO_LOOKUP_PATH_MAX = 4080
BTRFS_INO_LOOKUP_USER_PATH_MAX = 3824
BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL = 2
BTRFS_IOCTL_DEV_REPLACE_CMD_START = 0
BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS = 1
BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS = 0
BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID = 1
BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED = 2
BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED = 1
BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR = 0
BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS = 3
BTRFS_IOC_ADD_DEV = 1342215178, mips64le:ppc64le:2415957002
BTRFS_IOC_BALANCE = 1342215180, mips64le:ppc64le:2415957004
BTRFS_IOC_CLONE = 1074041865, mips64le:ppc64le:2147783689
BTRFS_IOC_CLONE_RANGE = 1075876877, mips64le:ppc64le:2149618701
BTRFS_IOC_BALANCE_CTL = 1074041889, mips64le:ppc64le:2147783713
BTRFS_IOC_BALANCE_PROGRESS = 2214630434, mips64le:ppc64le:1140888610
BTRFS_IOC_BALANCE_V2 = 3288372256
BTRFS_IOC_DEFAULT_SUBVOL = 1074304019, mips64le:ppc64le:2148045843
BTRFS_IOC_DEFRAG = 1342215170, mips64le:ppc64le:2415956994
BTRFS_IOC_FILE_EXTENT_SAME = 3222836278
BTRFS_IOC_DEFRAG_RANGE = 1076925456, mips64le:ppc64le:2150667280
BTRFS_IOC_DEV_INFO = 3489698846
BTRFS_IOC_DEV_REPLACE = 3391657013, 386:3391394869
BTRFS_IOC_FS_INFO = 2214630431, mips64le:ppc64le:1140888607
BTRFS_IOC_GET_DEV_STATS = 3288896564
BTRFS_IOC_GET_FEATURES = 2149094457, mips64le:ppc64le:1075352633
BTRFS_IOC_GET_SUBVOL_INFO = 2180551740, 386:2179503164, mips64le:ppc64le:1106809916
BTRFS_IOC_GET_SUBVOL_ROOTREF = 3489698877
BTRFS_IOC_GET_SUPPORTED_FEATURES = 2152240185, mips64le:ppc64le:1078498361
BTRFS_IOC_INO_LOOKUP = 3489698834
BTRFS_IOC_INO_LOOKUP_USER = 3489698878
BTRFS_IOC_INO_PATHS = 3224933411
BTRFS_IOC_LOGICAL_INO = 3224933412
BTRFS_IOC_LOGICAL_INO_V2 = 3224933435
BTRFS_IOC_QGROUP_ASSIGN = 1075352617, mips64le:ppc64le:2149094441
BTRFS_IOC_QGROUP_CREATE = 1074828330, mips64le:ppc64le:2148570154
BTRFS_IOC_QGROUP_LIMIT = 2150667307, mips64le:ppc64le:1076925483
BTRFS_IOC_QUOTA_CTL = 3222311976
BTRFS_IOC_QUOTA_RESCAN = 1077974060, mips64le:ppc64le:2151715884
BTRFS_IOC_QUOTA_RESCAN_STATUS = 2151715885, mips64le:ppc64le:1077974061
BTRFS_IOC_QUOTA_RESCAN_WAIT = 37934, mips64le:ppc64le:536908846
BTRFS_IOC_RESIZE = 1342215171, mips64le:ppc64le:2415956995
BTRFS_IOC_RM_DEV = 1342215179, mips64le:ppc64le:2415957003
BTRFS_IOC_SCAN_DEV = 1342215172, mips64le:ppc64le:2415956996
BTRFS_IOC_RM_DEV_V2 = 1342215226, mips64le:ppc64le:2415957050
BTRFS_IOC_SCRUB = 3288372251
BTRFS_IOC_SCRUB_CANCEL = 37916, mips64le:ppc64le:536908828
BTRFS_IOC_SCRUB_PROGRESS = 3288372253
BTRFS_IOC_SEND = 1078498342, 386:1078236198, mips64le:ppc64le:2152240166
BTRFS_IOC_SET_FEATURES = 1076925497, mips64le:ppc64le:2150667321
BTRFS_IOC_SET_RECEIVED_SUBVOL = 3234370597, 386:3233846309
BTRFS_IOC_SNAP_CREATE = 1342215169, mips64le:ppc64le:2415956993
BTRFS_IOC_SNAP_CREATE_V2 = 1342215191, mips64le:ppc64le:2415957015
BTRFS_IOC_SNAP_DESTROY = 1342215183, mips64le:ppc64le:2415957007
BTRFS_IOC_SNAP_DESTROY_V2 = 1342215231, mips64le:ppc64le:2415957055
BTRFS_IOC_SPACE_INFO = 3222311956
BTRFS_IOC_START_SYNC = 2148045848, mips64le:ppc64le:1074304024
BTRFS_IOC_SUBVOL_CREATE = 1342215182, mips64le:ppc64le:2415957006
BTRFS_IOC_SUBVOL_CREATE_V2 = 1342215192, mips64le:ppc64le:2415957016
BTRFS_IOC_SUBVOL_GETFLAGS = 2148045849, mips64le:ppc64le:1074304025
BTRFS_IOC_SUBVOL_SETFLAGS = 1074304026, mips64le:ppc64le:2148045850
BTRFS_IOC_SYNC = 37896, mips64le:ppc64le:536908808
BTRFS_IOC_TRANS_END = 37895, mips64le:ppc64le:536908807
BTRFS_IOC_TRANS_START = 37894, mips64le:ppc64le:536908806
BTRFS_IOC_TREE_SEARCH = 3489698833
BTRFS_IOC_TREE_SEARCH_V2 = 3228603409
BTRFS_IOC_WAIT_SYNC = 1074304022, mips64le:ppc64le:2148045846
BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET = 1
BTRFS_MAX_ROOTREF_BUFFER_NUM = 255
BTRFS_PATH_MAX = 4088
BTRFS_QGROUP_INHERIT_SET_LIMITS = 1
BTRFS_QGROUP_LIMIT_EXCL_CMPR = 32
BTRFS_QGROUP_LIMIT_MAX_EXCL = 2
BTRFS_QGROUP_LIMIT_MAX_RFER = 1
BTRFS_QGROUP_LIMIT_RFER_CMPR = 16
BTRFS_QGROUP_LIMIT_RSV_EXCL = 8
BTRFS_QGROUP_LIMIT_RSV_RFER = 4
BTRFS_QUOTA_CTL_DISABLE = 2
BTRFS_QUOTA_CTL_ENABLE = 1
BTRFS_QUOTA_CTL_RESCAN__NOTUSED = 3
BTRFS_SCRUB_READONLY = 1
BTRFS_SEARCH_ARGS_BUFSIZE = 3992
BTRFS_SEND_FLAG_NO_FILE_DATA = 1
BTRFS_SEND_FLAG_OMIT_END_CMD = 4
BTRFS_SEND_FLAG_OMIT_STREAM_HEADER = 2
BTRFS_SUBVOL_MAX = 4040
BTRFS_SUBVOL_QGROUP_INHERIT = 4
BTRFS_SUBVOL_RDONLY = 2
BTRFS_SUBVOL_SPEC_BY_ID = 16
BTRFS_UUID_SIZE = 16
BTRFS_VOL_MAX = 256
__NR_ioctl = 54, amd64:16, arm64:riscv64:29, mips64le:5015