romfs_dev_read identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/romfs/internal.h, line 38 (as a prototype)

Defined in 1 files as a function:

fs/romfs/storage.c, line 214 (as a function)

Referenced in 1 files:

fs/romfs/super.c

Smatch caller information:

fs/romfs/super.c romfs_fill_super() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev->bd_fsfreeze_count.counter	s32min-0
PARAM_VALUE	0	sb->s_bdev_file	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev_file->__f_path.dentry	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev_file->f_flags	0,32768-u32max
PARAM_VALUE	0	sb->s_bdev_file->f_inode	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev_file->f_iocb_flags	0,2,16,18,131072,131074,131088,131090
PARAM_VALUE	0	sb->s_bdev_file->f_mapping	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_blkbits	9-73
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mode	0,64-u32max
PARAM_VALUE	0	sb->s_bdev_file->f_op	8212791493360840704
PARAM_VALUE	0	sb->s_bdev_file->private_data	4096-ptr_max
PARAM_VALUE	0	sb->s_bdi	4096-ptr_max
PARAM_VALUE	0	sb->s_blocksize	1024
PARAM_VALUE	0	sb->s_blocksize_bits	9-73
PARAM_VALUE	0	sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE	0	sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864
PARAM_VALUE	0	sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE	0	sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	0	sb->s_fs_info	512
PARAM_VALUE	0	sb->s_iflags	0,8-u64max
PARAM_VALUE	0	sb->s_magic	29301
PARAM_VALUE	0	sb->s_maxbytes	4294967295
PARAM_VALUE	0	sb->s_op	168222671837687808
PARAM_VALUE	0	sb->s_root	0
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_hash.next->pprev	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_hash.pprev	1-u64max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_inode	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_alias->next->pprev	1-u64max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_children.first	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->active.counter	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_flags	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->__i_nlink	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_atime_nsec	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_blkbits	0-255
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_bytes	0-u16max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_ctime_nsec	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_dir_seq	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_flags	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_fsnotify_mask	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_generation	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_linklen	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_mode	0-u16max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_mtime_nsec	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_nlink	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_opflags	0-u16max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_rdev	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_wb_frn_avg_time	0-u16max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_wb_frn_history	0-u16max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_wb_frn_winner	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_inode->i_write_hint	0-4294967295
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_lockref.count	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->data->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->management_timer.is_hard	0-1
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->management_timer.is_lazy	0-1
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->management_timer.is_queued	0-1
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->management_timer.is_soft	0-1
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_fsdata->ref.refs.counter	s32min-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_hash.next->pprev	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_inode	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_sb->s_vfs_rename_mutex.dep_map->name	0-255
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_sb->s_vfs_rename_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_sib->pprev	4096-ptr_max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_sib.next->pprev	1-u64max
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_sib.pprev	4096-ptr_max
PARAM_VALUE	0	sb->s_time_max	0
PARAM_VALUE	0	sb->s_time_min	0
PARAM_VALUE	0	*sb->s_id	0-255
PARAM_VALUE	0	*sb->s_shrink->debugfs_entry->d_parent->d_fsdata->d_fsdata	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*sb->s_shrink->debugfs_entry->d_parent->d_inode->i_hash.next->pprev	1-u64max
PARAM_VALUE	0	*sb->s_shrink->debugfs_entry->d_parent->d_inode->i_sb->s_fs_info->wbuf	0-255
PARAM_VALUE	0	*sb->s_shrink->debugfs_entry->d_parent->d_inode->i_sb->s_fs_info->wbuf_verify	0-255
PARAM_VALUE	0	*sb->s_shrink->debugfs_entry->d_parent->d_inode->i_wb->dwork.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	1	pos	0
PARAM_VALUE	2	buf	4096-ptr_max
PARAM_VALUE	3	buflen	512
BUF_SIZE	0	sb	(-1),2880
BUF_SIZE	0	sb	(-1),2880
BUF_SIZE	0	sb->s_op	224
BUF_SIZE	2	buf	512
CAPPED_DATA	0	sb	1
CAPPED_DATA	0	sb->s_dev	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	2	buf	r _kmalloc_noprof
STR_LEN	0	sb	(-1),8
STR_LEN	0	sb	(-1),8
BIT_INFO	0	sb->s_flags	0x401,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	sb->s_bdev_file->f_flags	0,32768-u32max
USER_DATA	0	sb->s_bdev_file->f_mode	0,64-u32max
USER_DATA	0	sb->s_flags	1025-2147487744[c]
HALF_LOCKED2		&fc->uapi_mutex

fs/romfs/super.c romfs_iget() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_fs_info	16-u64max
PARAM_VALUE	0	sb->s_op->shutdown	0,270907176096247808,394905300707143680,1621038160951336960,2742114378027888640,4674517140434182144,5302154572152815616,9061279276729196544
PARAM_VALUE	0	sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	pos	0,16-u32max
PARAM_VALUE	2	buf	1147668593309507584
PARAM_VALUE	3	buflen	16
BUF_SIZE	0	sb	(-1),2880
BUF_SIZE	0	sb	(-1),2880
BUF_SIZE	0	sb->s_op	(-1),224
BUF_SIZE	2	buf	16
CAPPED_DATA	0	sb	1
CAPPED_DATA	0	sb->s_fs_info	1
CAPPED_DATA	1	pos	1
CAPPED_DATA	1	pos	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	pos	$1 [m]
STR_LEN	0	sb	(-1),8
STR_LEN	0	sb	(-1),8
BIT_INFO	1	pos	0x0,0xfffffff0
BIT_INFO	1	pos	0x0,0xfffffff0
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	sb->s_bdev_file->f_flags	0,32768-u32max
USER_DATA	0	sb->s_bdev_file->f_mode	0,64-u32max[c]
USER_DATA	0	sb->s_flags	1025-2147487744[c]
UNITS	0	sb	unit_byte
UNITS	1	pos	unit_byte
UNITS	3	buflen	unit_byte

fs/romfs/super.c romfs_lookup() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	1	pos	0,16-u64max
PARAM_VALUE	2	buf	1721324639459708928
PARAM_VALUE	3	buflen	16
BUF_SIZE	2	buf	16
BIT_INFO	1	pos	0x0,0xfffffffffffffff0
BIT_INFO	1	pos	0x0,0xfffffffffffffff0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
HALF_LOCKED2		&dir->i_rwsem

fs/romfs/super.c romfs_lookup() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev	1-u64max
PARAM_VALUE	0	sb->s_bdev->bd_mapping->i_private_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info	1-u64max
PARAM_VALUE	1	pos	16-u32max
PARAM_VALUE	2	buf	1721324639459708928
PARAM_VALUE	3	buflen	16
BUF_SIZE	2	buf	16
CAPPED_DATA	0	sb->s_fs_info	1
CAPPED_DATA	1	pos	1
CAPPED_DATA	1	pos	1
PARAM_COMPARE	0	sb->s_fs_info	> $1
PARAM_COMPARE	1	pos	< $0->s_fs_info
BIT_INFO	1	pos	0x0,0xfffffff0
BIT_INFO	1	pos	0x0,0xfffffff0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	pos	unit_byte
UNITS	3	buflen	unit_byte
HALF_LOCKED2		&dir->i_rwsem

fs/romfs/super.c romfs_read_folio() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	3	buflen	1-4096
DATA_SOURCE	2	buf	r kmap_local_folio
FUZZY_MAX	3	buflen	4096
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	pos	unit_byte
UNITS	3	buflen	unit_byte
HALF_LOCKED2		&mapping->invalidate_lock

fs/romfs/super.c romfs_readdir() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	1	pos	0,16-u64max
PARAM_VALUE	2	buf	4241055602073792512
PARAM_VALUE	3	buflen	16
BUF_SIZE	2	buf	16
BIT_INFO	1	pos	0x0,0xfffffffffffffff0
BIT_INFO	1	pos	0x0,0xfffffffffffffff0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	pos	unit_byte
HALF_LOCKED2		&dir_fp->readdir_lock
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/romfs/super.c romfs_readdir() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	1	pos	1-18446744073709551614
PARAM_VALUE	2	buf	4241055602073792512
PARAM_VALUE	3	buflen	16
BUF_SIZE	2	buf	16
CAPPED_DATA	1	pos	1
CAPPED_DATA	1	pos	1
PARAM_COMPARE	0	sb->s_fs_info	> $1
PARAM_COMPARE	1	pos	< $0->s_fs_info
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	pos	unit_byte
HALF_LOCKED2		&dir_fp->readdir_lock
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/romfs/super.c romfs_readdir() -> romfs_dev_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev->bd_mapping->i_private_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info	1-u64max
PARAM_VALUE	2	buf	451543226506342400
PARAM_VALUE	3	buflen	0-s32max
BUF_SIZE	2	buf	128
CAPPED_DATA	1	pos	1
DATA_SOURCE	3	buflen	r romfs_dev_strnlen
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	pos	unit_byte
HALF_LOCKED2		&dir_fp->readdir_lock
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem