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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 6 files:

Smatch caller information:

fs/btrfs/tree-log.c replay_one_extent() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 5740041470098026496
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 0
PARAM_VALUE 3 mod_root 0
PARAM_VALUE 4 skip_qgroup 0
NOCHECK_CALL
UNITS 1 ino unit_byte
UNITS 2 offset unit_byte

fs/btrfs/file.c btrfs_insert_replace_extent() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 3523437282496569344
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 0
PARAM_VALUE 3 mod_root 0
PARAM_VALUE 4 skip_qgroup 0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 offset unit_byte

fs/btrfs/file.c btrfs_mark_extent_written() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 8970799316764139520
PARAM_VALUE 0 generic_ref->type 0-1
PARAM_VALUE 3 mod_root 0
PARAM_VALUE 4 skip_qgroup 0
CAPPED_DATA 1 ino 1
CAPPED_DATA 1 ino 1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 generic_ref->data_ref.offset
UNITS 1 ino unit_byte
UNITS 2 offset unit_byte
HALF_LOCKED2 &pool->lock

fs/btrfs/file.c btrfs_mark_extent_written() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 8970799316764139520
PARAM_VALUE 0 generic_ref->type 0-1
PARAM_VALUE 3 mod_root 0
PARAM_VALUE 4 skip_qgroup 0
CAPPED_DATA 1 ino 1
CAPPED_DATA 1 ino 1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 generic_ref->data_ref.offset
UNITS 1 ino unit_byte
UNITS 2 offset unit_byte
HALF_LOCKED2 &pool->lock

fs/btrfs/relocation.c replace_file_extents() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 3731503051715727360
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 0
PARAM_VALUE 4 skip_qgroup 0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 ino unit_byte
UNITS 2 offset unit_byte
LOCK2 &leaf->lock
HALF_LOCKED2 &buf->lock
HALF_LOCKED2 &trans->fs_info->commit_root_sem
HALF_LOCKED2 &trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2 &trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2 &trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2 &trans->fs_info->qgroup_lock
HALF_LOCKED2 &trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2 &trans->transaction->delayed_refs.lock
TYPE_LOCK (struct extent_buffer)->lock

fs/btrfs/relocation.c replace_file_extents() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 3731503051715727360
PARAM_VALUE 0 generic_ref->type 1
PARAM_VALUE 4 skip_qgroup 0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 generic_ref->data_ref.offset
UNITS 1 ino unit_byte
UNITS 2 offset unit_byte
LOCK2 &leaf->lock
HALF_LOCKED2 &buf->lock
HALF_LOCKED2 &trans->fs_info->commit_root_sem
HALF_LOCKED2 &trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2 &trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2 &trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2 &trans->fs_info->qgroup_lock
HALF_LOCKED2 &trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2 &trans->transaction->delayed_refs.lock
TYPE_LOCK (struct extent_buffer)->lock

fs/btrfs/extent-tree.c __btrfs_mod_ref() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 6117822500846968832
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 0
DATA_SOURCE 4 skip_qgroup r btrfs_header_flag
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 generic_ref->parent
UNITS 1 ino unit_byte
UNITS 2 offset unit_byte
HALF_LOCKED2 &buf->lock
HALF_LOCKED2 &fs_info->cleaner_mutex
HALF_LOCKED2 &trans->fs_info->commit_root_sem
HALF_LOCKED2 &trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2 &trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2 &trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2 &trans->fs_info->qgroup_lock
HALF_LOCKED2 &trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2 &trans->transaction->delayed_refs.lock

fs/btrfs/extent-tree.c btrfs_alloc_reserved_file_extent() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 251161894992240640
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 0
PARAM_VALUE 3 mod_root 0
PARAM_VALUE 4 skip_qgroup 0
DATA_SOURCE 1 ino $2
DATA_SOURCE 2 offset $3
NOSPEC 2 offset
NOSPEC 2 offset
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 offset 0-s32max[c]
NO_OVERFLOW_SIMPLE 0 generic_ref->num_bytes
NO_OVERFLOW_SIMPLE 2 offset
UNITS 2 offset unit_byte

fs/btrfs/tests/delayed-refs-tests.c merge_tests() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 8801039477966499840
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->ref_root 256
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 1
PARAM_VALUE 1 ino 256
PARAM_VALUE 2 offset 0
PARAM_VALUE 3 mod_root 256
PARAM_VALUE 4 skip_qgroup 1
NOCHECK_CALL

fs/btrfs/tests/delayed-refs-tests.c simple_test() -> btrfs_init_data_ref()

Type Parameter Key Value
PARAM_VALUE 0 generic_ref 481009926471151616
PARAM_VALUE 0 generic_ref->data_ref.objectid 0
PARAM_VALUE 0 generic_ref->data_ref.offset 0
PARAM_VALUE 0 generic_ref->real_root 0
PARAM_VALUE 0 generic_ref->ref_root 256
PARAM_VALUE 0 generic_ref->skip_qgroup 0
PARAM_VALUE 0 generic_ref->type 1
PARAM_VALUE 1 ino 256
PARAM_VALUE 2 offset 0
PARAM_VALUE 3 mod_root 256
PARAM_VALUE 4 skip_qgroup 1
NOCHECK_CALL
UNITS 3 mod_root unit_byte