ext4_alloc_file_blocks identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

fs/ext4/extents.c, line 4598 (as a function)

Referenced in 1 files:

fs/ext4/extents.c

Smatch caller information:

fs/ext4/extents.c ext4_do_fallocate() -> ext4_alloc_file_blocks()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_inode	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_flags	0,4096-u32max
PARAM_VALUE	0	file->f_inode->i_io_list.next	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_io_list.prev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	file->f_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	file->f_inode->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE	0	file->f_inode->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	0	file->f_inode->i_wb->dwork->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_wb->dwork.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_wb->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_wb->work_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE	3	new_size	0-s64max
PARAM_VALUE	4	flags	3
BUF_SIZE	0	file	(-1),1-s32max
BUF_SIZE	0	file	(-1),1-s32max
CAPPED_DATA	3	new_size	1
CAPPED_DATA	3	new_size	1
DATA_SOURCE	0	file	$0
DATA_SOURCE	1	offset	$1
DATA_SOURCE	2	len	$2
FUZZY_MAX	3	new_size	0
NOSPEC	1	offset
NOSPEC	1	offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	file->f_flags	0-u32max
USER_DATA	0	file->f_mode	33554432-u32max
USER_DATA	0	file->f_path.dentry->d_inode->i_mode	0-u16max
USER_DATA	0	file->f_path.dentry->d_inode->i_size	(-9223372036854775807)-(-4),0-s64max
USER_DATA	1	offset	0-s64max
USER_DATA	2	len	1-s64max
NO_OVERFLOW_SIMPLE	0	file->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.dentry->moved->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.moved->d_inode->i_size
UNITS	3	new_size	unit_byte
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/ext4/extents.c ext4_zero_range() -> ext4_alloc_file_blocks()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_inode	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_flags	0,4096-u32max
PARAM_VALUE	0	file->f_inode->i_io_list.next	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_io_list.prev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_inode->i_mapping->invalidate_lock.count.counter	s64min-(-1),1-s64max
PARAM_VALUE	0	file->f_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	file->f_inode->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE	0	file->f_inode->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	0	file->f_inode->i_wb->dwork->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_wb->dwork.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_wb->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_wb->work_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	file->f_mapping	4096-ptr_max
PARAM_VALUE	0	file->f_mapping->invalidate_lock.dep_map->name	0-255
PARAM_VALUE	0	file->f_mapping->invalidate_lock.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	file->f_mapping->invalidate_lock.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	file->f_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	file->f_mapping->invalidate_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE	3	new_size	0-s64max
PARAM_VALUE	4	flags	3
BUF_SIZE	0	file	(-1),1-s32max
BUF_SIZE	0	file	(-1),1-s32max
CAPPED_DATA	3	new_size	1
CAPPED_DATA	3	new_size	1
DATA_SOURCE	0	file	$0
DATA_SOURCE	1	offset	$1
DATA_SOURCE	2	len	$2
FUZZY_MAX	3	new_size	0
NOSPEC	1	offset
NOSPEC	1	offset
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	file->f_flags	0-u32max
USER_DATA	0	file->f_mode	33554432-u32max
USER_DATA	0	file->f_path.dentry->d_inode->i_mode	0-u16max
USER_DATA	0	file->f_path.dentry->d_inode->i_size	(-9223372036854775807)-(-4),0-s64max
USER_DATA	1	offset	0-s64max
USER_DATA	2	len	1-s64max
NO_OVERFLOW_SIMPLE	0	file->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.dentry->moved->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.moved->d_inode->i_size
UNITS	3	new_size	unit_byte
LOCK2		&inode->i_rwsem
LOCK2		&mapping->invalidate_lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct address_space)->invalidate_lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/ext4/extents.c ext4_zero_range() -> ext4_alloc_file_blocks()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_inode	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_flags	0,4096-u32max
PARAM_VALUE	0	file->f_inode->i_mapping	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping->host->i_sb->s_cop->empty_dir	0,86,4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping->host->i_sb->s_cop->get_context	0,706,4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	file->f_inode->i_mapping->host->i_sb->s_cop->set_context	0,67,4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_inode->i_mapping->invalidate_lock.count.counter	s64min-(-1),1-s64max
PARAM_VALUE	0	file->f_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	file->f_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	file->f_inode->i_sb	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_sb->s_cop->inode_info_offs	1632,1720,2632,2648
PARAM_VALUE	0	file->f_inode->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE	0	file->f_inode->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	0	file->f_inode->i_wb->dwork->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_wb->dwork.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_wb->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	file->f_inode->i_wb->work_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	file->f_mapping	4096-ptr_max
PARAM_VALUE	0	file->f_mapping->invalidate_lock.dep_map->name	0-255
PARAM_VALUE	0	file->f_mapping->invalidate_lock.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	file->f_mapping->invalidate_lock.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	file->f_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	file->f_mapping->invalidate_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE	1	offset	s64min-9223372036854775806
PARAM_VALUE	2	len	s64min-(-1),1-s64max
PARAM_VALUE	3	new_size	0-s64max
PARAM_VALUE	4	flags	1073742083,1073742337
BUF_SIZE	0	file	(-1),1-s32max
BUF_SIZE	0	file	(-1),1-s32max
CAPPED_DATA	0	file->f_inode	1
CAPPED_DATA	1	offset	1
CAPPED_DATA	1	offset	1
CAPPED_DATA	3	new_size	1
CAPPED_DATA	3	new_size	1
DATA_SOURCE	0	file	$0
FUZZY_MAX	3	new_size	0
FUZZY_MAX	4	flags	1073742337
BIT_INFO	4	flags	0x40000001,0x40000303
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	file->f_flags	0-u32max
USER_DATA	0	file->f_mode	33554432-u32max
USER_DATA	0	file->f_path.dentry->d_inode->i_mode	0-u16max
USER_DATA	0	file->f_path.dentry->d_inode->i_size	(-9223372036854775807)-(-4),0-s64max
USER_DATA	1	offset	0-9223372036854775806[c]
USER_DATA	2	len	s64min-(-1),1-s64max[c]
NO_OVERFLOW_SIMPLE	0	file->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.dentry->moved->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.moved->d_inode->i_size
UNITS	3	new_size	unit_byte
LOCK2		&inode->i_rwsem
LOCK2		&mapping->invalidate_lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct address_space)->invalidate_lock
TYPE_LOCK		(struct inode)->i_rwsem