memmove_extent_buffer identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/btrfs/extent_io.h, line 398 (as a prototype)

Defined in 1 files as a function:

fs/btrfs/extent_io.c, line 4903 (as a function)

Referenced in 7 files:

Smatch caller information:

fs/btrfs/dir-item.c btrfs_delete_one_dir_name() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	0,101-18446744073709547520
PARAM_VALUE	2	src_offset	30-131100
PARAM_VALUE	3	len	0-8589934661,18446744073709420617-u64max
DATA_SOURCE	1	dst_offset	$3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	dst_offset	unit_byte
UNITS	2	src_offset	unit_byte
UNITS	3	len	unit_byte

fs/btrfs/inode-item.c btrfs_del_inode_extref() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	101-8589934690
PARAM_VALUE	2	src_offset	101-10737418337
PARAM_VALUE	3	len	0-8589934590,18446744062972133380-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	dst_offset	unit_byte
UNITS	2	src_offset	unit_byte
UNITS	3	len	unit_byte
HALF_LOCKED2		&inode->log_mutex

fs/btrfs/inode-item.c btrfs_del_inode_ref() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	101-8589934690
PARAM_VALUE	2	src_offset	111-8590000235
PARAM_VALUE	3	len	0-8589934580,18446744065119551482-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	dst_offset	unit_byte
UNITS	2	src_offset	unit_byte
UNITS	3	len	unit_byte
HALF_LOCKED2		&inode->log_mutex

fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->folio_shift	12
PARAM_VALUE	0	dst->folio_size	4096
PARAM_VALUE	0	dst->fs_info	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->leak_list.next	4096-ptr_max
PARAM_VALUE	0	dst->leak_list.prev	4096-ptr_max
PARAM_VALUE	0	dst->len	0-65536
PARAM_VALUE	0	dst->lock.count.counter	0
PARAM_VALUE	0	dst->lock.dep_map->name	0-255
PARAM_VALUE	0	dst->lock.first_waiter	0
PARAM_VALUE	0	dst->lock.magic	4096-ptr_max
PARAM_VALUE	0	dst->lock.osq.tail.counter	0
PARAM_VALUE	0	dst->lock.owner.counter	0
PARAM_VALUE	0	dst->refs.refs.counter	1
PARAM_VALUE	0	dst->writeback_inhibitors.counter	0
PARAM_VALUE	1	dst_offset	512
PARAM_VALUE	2	src_offset	256
PARAM_VALUE	3	len	512
CAPPED_DATA	0	dst	1
DATA_SOURCE	0	dst	r alloc_dummy_extent_buffer
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start

fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->folio_shift	12
PARAM_VALUE	0	dst->folio_size	4096
PARAM_VALUE	0	dst->fs_info	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->leak_list.next	4096-ptr_max
PARAM_VALUE	0	dst->leak_list.prev	4096-ptr_max
PARAM_VALUE	0	dst->len	0-65536
PARAM_VALUE	0	dst->lock.count.counter	0
PARAM_VALUE	0	dst->lock.dep_map->name	0-255
PARAM_VALUE	0	dst->lock.first_waiter	0
PARAM_VALUE	0	dst->lock.magic	4096-ptr_max
PARAM_VALUE	0	dst->lock.osq.tail.counter	0
PARAM_VALUE	0	dst->lock.owner.counter	0
PARAM_VALUE	0	dst->refs.refs.counter	1
PARAM_VALUE	0	dst->writeback_inhibitors.counter	0
PARAM_VALUE	1	dst_offset	2048
PARAM_VALUE	2	src_offset	512
PARAM_VALUE	3	len	2048
CAPPED_DATA	0	dst	1
DATA_SOURCE	0	dst	r alloc_dummy_extent_buffer
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start

fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->folio_shift	12
PARAM_VALUE	0	dst->folio_size	4096
PARAM_VALUE	0	dst->fs_info	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->leak_list.next	4096-ptr_max
PARAM_VALUE	0	dst->leak_list.prev	4096-ptr_max
PARAM_VALUE	0	dst->len	0-65536
PARAM_VALUE	0	dst->lock.count.counter	0
PARAM_VALUE	0	dst->lock.dep_map->name	0-255
PARAM_VALUE	0	dst->lock.first_waiter	0
PARAM_VALUE	0	dst->lock.magic	4096-ptr_max
PARAM_VALUE	0	dst->lock.osq.tail.counter	0
PARAM_VALUE	0	dst->lock.owner.counter	0
PARAM_VALUE	0	dst->refs.refs.counter	1
PARAM_VALUE	0	dst->writeback_inhibitors.counter	0
PARAM_VALUE	1	dst_offset	512
PARAM_VALUE	2	src_offset	2048
PARAM_VALUE	3	len	2048
CAPPED_DATA	0	dst	1
DATA_SOURCE	0	dst	r alloc_dummy_extent_buffer
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start

fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->folio_shift	12
PARAM_VALUE	0	dst->folio_size	4096
PARAM_VALUE	0	dst->fs_info	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->leak_list.next	4096-ptr_max
PARAM_VALUE	0	dst->leak_list.prev	4096-ptr_max
PARAM_VALUE	0	dst->len	0-65536
PARAM_VALUE	0	dst->lock.count.counter	0
PARAM_VALUE	0	dst->lock.dep_map->name	0-255
PARAM_VALUE	0	dst->lock.first_waiter	0
PARAM_VALUE	0	dst->lock.magic	4096-ptr_max
PARAM_VALUE	0	dst->lock.osq.tail.counter	0
PARAM_VALUE	0	dst->lock.owner.counter	0
PARAM_VALUE	0	dst->refs.refs.counter	1
PARAM_VALUE	0	dst->writeback_inhibitors.counter	0
PARAM_VALUE	1	dst_offset	3968
PARAM_VALUE	2	src_offset	4032
PARAM_VALUE	3	len	256
CAPPED_DATA	0	dst	1
DATA_SOURCE	0	dst	r alloc_dummy_extent_buffer
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start

fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->folio_shift	12
PARAM_VALUE	0	dst->folio_size	4096
PARAM_VALUE	0	dst->fs_info	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->next	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->allocated_ebs.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->fs_info->eb_leak_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->leak_list.next	4096-ptr_max
PARAM_VALUE	0	dst->leak_list.prev	4096-ptr_max
PARAM_VALUE	0	dst->len	0-65536
PARAM_VALUE	0	dst->lock.count.counter	0
PARAM_VALUE	0	dst->lock.dep_map->name	0-255
PARAM_VALUE	0	dst->lock.first_waiter	0
PARAM_VALUE	0	dst->lock.magic	4096-ptr_max
PARAM_VALUE	0	dst->lock.osq.tail.counter	0
PARAM_VALUE	0	dst->lock.owner.counter	0
PARAM_VALUE	0	dst->refs.refs.counter	1
PARAM_VALUE	0	dst->writeback_inhibitors.counter	0
PARAM_VALUE	1	dst_offset	4032
PARAM_VALUE	2	src_offset	3968
PARAM_VALUE	3	len	256
CAPPED_DATA	0	dst	1
DATA_SOURCE	0	dst	r alloc_dummy_extent_buffer
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start

fs/btrfs/tree-mod-log.c tree_mod_log_rewind() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->folio_shift	12
PARAM_VALUE	0	dst->folio_size	4096
PARAM_VALUE	0	dst->lock.dep_map->name	0-255
PARAM_VALUE	0	dst->lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	dst->lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	dst->lock.first_waiter->type	0-1
PARAM_VALUE	3	len	33-70866960351
CAPPED_DATA	0	dst	1
DATA_SOURCE	0	dst	$1
DATA_SOURCE	1	dst_offset	r btrfs_node_key_ptr_offset
DATA_SOURCE	2	src_offset	r btrfs_node_key_ptr_offset
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	2	src_offset
LOCK2		&fs_info->tree_mod_log_lock
LOCK2	0	&dst->lock
TYPE_LOCK		(struct btrfs_fs_info)->tree_mod_log_lock
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/extent-tree.c setup_inline_extent_backref() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	110-8589934710
PARAM_VALUE	2	src_offset	101-8589934681
PARAM_VALUE	3	len	1-8589934581
CAPPED_DATA	1	dst_offset	1
CAPPED_DATA	2	src_offset	1
CAPPED_DATA	2	src_offset	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/extent-tree.c update_inline_extent_backref() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	4096-8589934691
PARAM_VALUE	2	src_offset	4105-8589934690
PARAM_VALUE	3	len	1-u64max
DATA_SOURCE	1	dst_offset	$2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&fs_info->reloc_mutex
HALF_LOCKED2		&href->mutex

fs/btrfs/uuid-tree.c btrfs_uuid_tree_remove() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	101-4294967396
PARAM_VALUE	2	src_offset	109-4294967404
PARAM_VALUE	3	len	0-8589934582,18446744069414584313-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	src_offset	unit_byte
UNITS	3	len	unit_byte
HALF_LOCKED2		&fs_info->subvol_sem

fs/btrfs/ctree.c balance_node_right() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	dst->lock.first_waiter->type	0-1
PARAM_VALUE	1	dst_offset	134-35433480293
PARAM_VALUE	2	src_offset	101
CAPPED_DATA	1	dst_offset	1
DATA_SOURCE	0	dst	$1
BIT_INFO	1	dst_offset	0x0,0xfffffffff
BIT_INFO	2	src_offset	0x65,0x65
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&src->lock
HALF_LOCKED2	0	&dst->lock

fs/btrfs/ctree.c btrfs_del_ptr() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
NOCHECK_CALL

fs/btrfs/ctree.c btrfs_truncate_item() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	dst_offset	101-4294967396
PARAM_VALUE	2	src_offset	0-4294967396,18446744069414584422-u64max
PARAM_VALUE	3	len	21
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	src_offset	unit_byte

fs/btrfs/ctree.c insert_ptr() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
CAPPED_DATA	1	dst_offset	1
CAPPED_DATA	2	src_offset	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&c->lock
HALF_LOCKED2		&right->lock

fs/btrfs/ctree.c memmove_leaf_data() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	dst->lock.first_waiter->type	0-1
PARAM_VALUE	1	dst_offset	101-4294967396
PARAM_VALUE	3	len	0-u32max,18446744071562067968-u64max
DATA_SOURCE	0	dst	$0
DATA_SOURCE	3	len	$3
BIT_INFO	1	dst_offset	0x0,0x1ffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start
UNITS	1	dst_offset	unit_byte
UNITS	2	src_offset	unit_byte
UNITS	3	len	unit_byte
HALF_LOCKED2		&left->lock
HALF_LOCKED2	0	&dst->lock

fs/btrfs/ctree.c memmove_leaf_items() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	dst->lock.first_waiter->type	0-1
DATA_SOURCE	0	dst	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start
HALF_LOCKED2		&left->lock
HALF_LOCKED2	0	&dst->lock

fs/btrfs/ctree.c push_node_left() -> memmove_extent_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->fs_info->btree_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dst->lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	dst->lock.first_waiter->type	0-1
PARAM_VALUE	1	dst_offset	101
CAPPED_DATA	2	src_offset	1
CAPPED_DATA	3	len	1
DATA_SOURCE	0	dst	$2
BIT_INFO	1	dst_offset	0x65,0x65
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dst->len
NO_OVERFLOW_SIMPLE	0	dst->start
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&dst->lock
HALF_LOCKED2	0	&dst->lock