file_start_write identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/fs.h, line 2743

Defined in 1 files as a function:

include/linux/fs.h, line 2750 (as a function)

Referenced in 9 files:

Smatch caller information:

fs/coredump.c coredump_write() -> file_start_write()

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

fs/xfs/xfs_exchrange.c xfs_exchange_range() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_mode	33554432-u32max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_alias.next->pprev	1-u64max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_fsdata->d_fsdata	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_hash.next->pprev	1-u64max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_sb->s_fs_info->wbuf	0-255
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_sb->s_fs_info->wbuf_verify	0-255
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_wb->dwork.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_alias->next->pprev	1-u64max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->active.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_flags	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->__i_nlink	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_atime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_blkbits	0-255
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_bytes	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_ctime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_dir_seq	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_flags	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_fsnotify_mask	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_generation	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_linklen	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_mode	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_mtime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_nlink	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_opflags	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_rdev	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_avg_time	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_history	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_winner	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_write_hint	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_lockref.count	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->data->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_hard	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_lazy	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_queued	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_soft	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_hash.next->pprev	4096-ptr_max
CAPPED_DATA	0	file->f_path.mnt	1
BIT_INFO	0	file->f_flags	0x0,0xfffffbff
BIT_INFO	0	file->f_mode	0x3,0xffffffff
NOCHECK_CALL

fs/splice.c direct_splice_actor() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	0,4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	file	unit_byte

fs/splice.c do_splice() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
DATA_SOURCE	0	file	$2
BIT_INFO	0	file->f_flags	0x0,0xfffffbff
BIT_INFO	0	file->f_mode	0x2,0xffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/remap_range.c vfs_clone_file_range() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_mode	33554432-u32max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_alias.next->pprev	1-u64max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_fsdata->d_fsdata	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_hash.next->pprev	1-u64max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_sb->s_fs_info->wbuf	0-255
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_sb->s_fs_info->wbuf_verify	0-255
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_wb->dwork.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_alias->next->pprev	1-u64max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->active.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_flags	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->__i_nlink	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_atime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_blkbits	0-255
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_bytes	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_ctime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_dir_seq	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_flags	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_fsnotify_mask	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_generation	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_linklen	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_mode	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_mtime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_nlink	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_opflags	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_rdev	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_avg_time	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_history	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_winner	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_write_hint	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_lockref.count	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->data->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_hard	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_lazy	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_queued	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_soft	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_hash.next->pprev	4096-ptr_max
BUF_SIZE	0	file	s32min,(-1)-s32max
BUF_SIZE	0	file	s32min,(-1)-s32max
DATA_SOURCE	0	file	$2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&inode_out->i_rwsem
HALF_LOCKED2		&pool->lock

fs/read_write.c kernel_write() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file->f_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	file->f_mapping->host->i_sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	file->f_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	file->f_mapping->host->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	file->f_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
BUF_SIZE	0	file	(-1)-s32max
BUF_SIZE	0	file	(-1)-s32max
DATA_SOURCE	0	file	$0
STR_LEN	0	file	(-1)-1010101
STR_LEN	0	file	(-1)-1010101
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	file->f_flags	0-18433,32770
USER_DATA	0	file->f_mode	33554432,34078720-571342855[c]
NO_OVERFLOW_SIMPLE	0	file->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE	0	file->f_path.moved->d_inode->i_size
HALF_LOCKED2		&common->filesem
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&process->event_mutex
HALF_LOCKED2		&target->event_mutex
HALF_LOCKED2		&target->mutex

fs/read_write.c vfs_copy_file_range() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_op	4096-ptr_max
BUF_SIZE	0	file	s32min,(-1),1-s32max
BUF_SIZE	0	file	s32min,(-1),1-s32max
CAPPED_DATA	0	file->f_inode	1
CAPPED_DATA	0	file->f_op->copy_file_range	1
DATA_SOURCE	0	file	$2
RX_PATH
NOCHECK_CALL
HALF_LOCKED2		&inode_out->i_rwsem
HALF_LOCKED2		&pool->lock

fs/read_write.c vfs_iter_write() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_op	4096-ptr_max
PARAM_VALUE	0	file->f_op->write_iter	1-u64max
BUF_SIZE	0	file	s32min,(-1),1-s32max
BUF_SIZE	0	file	s32min,(-1),1-s32max
DATA_SOURCE	0	file	$0
BIT_INFO	0	file->f_mode	0x40002,0xffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&coda_inode->i_rwsem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock

fs/read_write.c vfs_write() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
DATA_SOURCE	0	file	$0
BIT_INFO	0	file->f_mode	0x40002,0xffffffff
NOCHECK_CALL

fs/read_write.c vfs_writev() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
DATA_SOURCE	0	file	$0
BIT_INFO	0	file->f_mode	0x40002,0xffffffff
NOCHECK_CALL

fs/btrfs/ioctl.c btrfs_ioctl_encoded_write() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
DATA_SOURCE	0	file	$0
CAPABLE	0	21
BIT_INFO	0	file->f_mode	0x2,0xffffffffffffffff
NOCHECK_CALL

fs/btrfs/ioctl.c btrfs_uring_encoded_write() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
CAPABLE	0	21
BIT_INFO	0	file->f_mode	0x2,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&ctx->uring_lock

fs/open.c vfs_fallocate() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_inode->i_sb	4096-ptr_max
PARAM_VALUE	0	file->f_mode	33554432-u32max
PARAM_VALUE	0	file->f_op	4096-ptr_max
PARAM_VALUE	0	file->f_op->fallocate	1-u64max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_fsdata->d_fsdata	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_hash.next->pprev	1-u64max
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_sb->s_fs_info->wbuf	0-255
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_sb->s_fs_info->wbuf_verify	0-255
PARAM_VALUE	0	file->f_path->dentry->d_parent->d_inode->i_wb->dwork.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	file->f_path.dentry->d_inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
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_parent->d_alias->next->pprev	1-u64max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->active.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_flags	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->__i_nlink	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_atime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_blkbits	0-255
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_bytes	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_ctime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_dir_seq	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_flags	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_fsnotify_mask	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_generation	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_linklen	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_mode	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_mtime_nsec	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_nlink	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_opflags	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_rdev	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_avg_time	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_history	0-u16max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_wb_frn_winner	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_inode->i_write_hint	0-4294967295
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->d_lockref.count	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->data->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_hard	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_lazy	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_queued	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->management_timer.is_soft	0-1
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_fsdata->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	file->f_path.dentry->d_parent->d_hash.next->pprev	4096-ptr_max
BUF_SIZE	0	file	(-1),1-s32max
BUF_SIZE	0	file	(-1),1-s32max
DATA_SOURCE	0	file	$0
BIT_INFO	0	file->f_mode	0x2,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock

fs/backing-file.c backing_file_splice_write() -> file_start_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	file	4096-ptr_max
PARAM_VALUE	0	file->f_op	4096-ptr_max
PARAM_VALUE	0	file->f_op->splice_write	1-u64max
BUF_SIZE	0	file	s32min,(-1),1-s32max
BUF_SIZE	0	file	s32min,(-1),1-s32max
DATA_SOURCE	0	file	$1
BIT_INFO	0	file->f_mode	0x1000000,0xffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

fs/nfs/localio.c nfs_local_call_write() -> file_start_write()

Type	Parameter	Key	Value
NOCHECK_CALL
HALF_LOCKED2		&pool->lock