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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 7 files:

Smatch caller information:

fs/btrfs/volumes.c insert_balance_item() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 1 start 101-4294967396
PARAM_VALUE 2 len 448
NOCHECK_CALL
UNITS 2 len unit_byte
HALF_LOCKED2 &fs_info->balance_mutex

fs/btrfs/file-item.c btrfs_del_csums() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/extent_io.c prepare_eb_write() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->fs_info->dirty_metadata_bytes.lock.dep_map->name 0-255
PARAM_VALUE 0 eb->fs_info->dirty_metadata_bytes.lock.owner (-1)
PARAM_VALUE 0 eb->fs_info->dirty_metadata_bytes.lock.owner_cpu u32max
PARAM_VALUE 0 eb->lock.dep_map->name 0-255
PARAM_VALUE 0 eb->lock.first_waiter->handoff_set 1
PARAM_VALUE 0 eb->lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 0 eb->lock.first_waiter->type 0-1
PARAM_VALUE 0 eb->lock_owner 0
PARAM_VALUE 0 eb->refs_lock.rlock.dep_map->name 0-255
CAPPED_DATA 0 eb->fs_info->dirty_metadata_batch 1
DATA_SOURCE 0 eb $0
DATA_SOURCE 1 start r btrfs_node_key_ptr_offset
NOCHECK_CALL
UNITS 1 start unit_byte
UNITS 2 len unit_byte

fs/btrfs/extent_io.c prepare_eb_write() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->fs_info->dirty_metadata_bytes.lock.dep_map->name 0-255
PARAM_VALUE 0 eb->fs_info->dirty_metadata_bytes.lock.owner (-1)
PARAM_VALUE 0 eb->fs_info->dirty_metadata_bytes.lock.owner_cpu u32max
PARAM_VALUE 0 eb->lock.dep_map->name 0-255
PARAM_VALUE 0 eb->lock.first_waiter->handoff_set 1
PARAM_VALUE 0 eb->lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 0 eb->lock.first_waiter->type 0-1
PARAM_VALUE 0 eb->lock_owner 0
PARAM_VALUE 0 eb->refs_lock.rlock.dep_map->name 0-255
CAPPED_DATA 0 eb->fs_info->dirty_metadata_batch 1
DATA_SOURCE 0 eb $0
DATA_SOURCE 1 start r btrfs_item_nr_offset
NOCHECK_CALL

fs/btrfs/free-space-cache.c __create_free_space_inode() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 1 start 101-4294967396
PARAM_VALUE 2 len 160
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 len unit_byte
HALF_LOCKED2 &trans->transaction->cache_write_mutex

fs/btrfs/free-space-cache.c __create_free_space_inode() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 1 start 101-4294967396
PARAM_VALUE 2 len 41
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 len unit_byte
HALF_LOCKED2 &trans->transaction->cache_write_mutex

fs/btrfs/relocation.c __insert_orphan_inode() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 1 start 101-4294967396
PARAM_VALUE 2 len 160
NOCHECK_CALL
UNITS 2 len unit_byte

fs/btrfs/extent-tree.c btrfs_init_new_buffer() -> memzero_extent_buffer()

Type Parameter Key Value
PARAM_VALUE 0 eb 4096-ptr_max
PARAM_VALUE 0 eb->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE 0 eb->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent 0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE 0 eb->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE 0 eb->lock.first_waiter->list.next 2624917664208203776
PARAM_VALUE 0 eb->lock.first_waiter->type 0-1
PARAM_VALUE 0 eb->lock.osq.tail.counter 0-s32max
PARAM_VALUE 1 start 0
PARAM_VALUE 2 len 101
CAPPED_DATA 0 eb 1
DATA_SOURCE 0 eb r btrfs_find_create_tree_block
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 len unit_byte
LOCK2 0 &eb->lock
HALF_LOCKED2 &fs_info->subvol_sem
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