direct_write_fallback identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/fs.h, line 3092 (as a prototype)

Defined in 1 files as a function:

fs/libfs.c, line 2076 (as a function)

Referenced in 4 files:

Smatch caller information:

mm/filemap.c __generic_file_write_iter() -> direct_write_fallback()

Type	Parameter	Key	Value
PARAM_VALUE	0	iocb	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_flags	0,4096-u32max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_io_list.next->prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_cop->inode_info_offs	1632,1720,2632,2648
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_export_op->get_parent	0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->dwork.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->work_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	iocb->ki_filp->f_path.dentry->d_inode->i_op->readlink	0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE	1	iter	4096-ptr_max
PARAM_VALUE	1	iter->kvec	4096-u64max
PARAM_VALUE	2	direct_written	0-s64max
PARAM_VALUE	3	buffered_written	(-4294967296)-s64max
BUF_SIZE	0	iocb	(-1),48
BUF_SIZE	0	iocb	(-1),48
CAPPED_DATA	0	iocb->ki_filp->f_mapping	1
DATA_SOURCE	0	iocb	$0
DATA_SOURCE	1	iter	$1
DATA_SOURCE	2	direct_written	r generic_file_direct_write
BIT_INFO	0	iocb->ki_flags	0x20000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	iocb->ki_flags	0-s32max[c][u]
USER_DATA	0	iocb->ki_ioprio	0-u16max
USER_DATA	0	iocb->ki_pos	s64min-s64max[c]
USER_DATA	1	iter->iov_offset	0-u64max[c]
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

block/fops.c blkdev_write_iter() -> direct_write_fallback()

Type	Parameter	Key	Value
PARAM_VALUE	0	iocb	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_io_list.next->prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_cop->inode_info_offs	1632,1720,2632,2648
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_export_op->get_parent	0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->dwork.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->work_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	iter	4096-ptr_max
PARAM_VALUE	2	direct_written	0-4294967295
BUF_SIZE	0	iocb	(-1),48
BUF_SIZE	0	iocb	(-1),48
CAPPED_DATA	0	iocb->ki_filp->f_mapping	1
CAPPED_DATA	2	direct_written	1
CAPPED_DATA	2	direct_written	1
DATA_SOURCE	0	iocb	$0
DATA_SOURCE	1	iter	$1
DATA_SOURCE	2	direct_written	r blkdev_direct_write
BIT_INFO	0	iocb->ki_flags	0x20000,0xffffffffffffffff
BIT_INFO	3	buffered_written	0x0,0x7fffffffffffffff
NOSPEC	0	iocb->ki_pos
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	iocb->ki_flags	0-s32max[c][u]
USER_DATA	0	iocb->ki_ioprio	0-u16max
USER_DATA	0	iocb->ki_pos	s64min-s64max
HALF_LOCKED2		&pool->lock

fs/fuse/file.c fuse_cache_write_iter() -> direct_write_fallback()

Type	Parameter	Key	Value
PARAM_VALUE	0	iocb	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_flags	0,4096-u32max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_io_list.next	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_io_list.next->prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_io_list.prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_io_list.prev->next	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->dwork->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->dwork.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_inode->i_wb->work_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->host->i_sb	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.dep_map->name	0-255
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	iocb->ki_filp->f_path.mnt	4096-ptr_max
PARAM_VALUE	0	iocb->ki_filp->private_data->fm->fc->chan->num_waiting.counter	s32min-s32max
PARAM_VALUE	1	iter	4096-ptr_max
PARAM_VALUE	2	direct_written	0-s64max
PARAM_VALUE	3	buffered_written	s32min-s64max
BUF_SIZE	0	iocb	(-1),48
BUF_SIZE	0	iocb	(-1),48
CAPPED_DATA	0	iocb->ki_filp->f_mapping	1
DATA_SOURCE	0	iocb	$0
DATA_SOURCE	1	iter	$1
DATA_SOURCE	2	direct_written	r generic_file_direct_write
BIT_INFO	0	iocb->ki_flags	0x20000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	iocb->ki_flags	0-s32max[c][u]
USER_DATA	0	iocb->ki_ioprio	0-u16max
USER_DATA	0	iocb->ki_pos	s64min-9223372036854775806[c]
USER_DATA	1	iter->iov_offset	0-u64max[c]
USER_DATA	3	buffered_written	s32min-s32max[u]
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem