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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 9 files:

Smatch caller information:

fs/btrfs/file.c btrfs_file_read_iter() -> filemap_read()

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_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 2 already_read 0-s64max
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
FUZZY_MAX 2 already_read 0
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-13442450941
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
USER_DATA 2 already_read 6-s64max
HALF_LOCKED2 &pool->lock

fs/afs/file.c afs_file_read_iter() -> filemap_read()

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->i_rwsem.dep_map->name 0-255
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->list.next 2212933610777083904,2624917664208203776
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->list.prev 2212933610777083904,2624917664208203776
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->private_data 4096-ptr_max
PARAM_VALUE 2 already_read 0
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
BIT_INFO 0 iocb->ki_flags 0x0,0x7ffdffff
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-13442450941
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/erofs/ishare.c erofs_ishare_file_read_iter() -> filemap_read()

Type Parameter Key Value
PARAM_VALUE 0 iocb 4427526334527262720
PARAM_VALUE 1 iter 4096-ptr_max
PARAM_VALUE 2 already_read 0
DATA_SOURCE 1 iter $1
NOSPEC 1 iter->count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
HALF_LOCKED2 &pool->lock

mm/filemap.c generic_file_read_iter() -> filemap_read()

Type Parameter Key Value
PARAM_VALUE 0 iocb 4096-ptr_max
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_sb->s_umount.first_waiter->type 0-1
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->s_export_op->fh_to_parent 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE 0 iocb->ki_filp->f_mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
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->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 iocb->ki_filp->f_path.dentry->d_inode->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 iocb->ki_filp->f_path.dentry->d_inode->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 1 iter 4096-ptr_max
PARAM_VALUE 2 already_read 0-s64max
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
FUZZY_MAX 2 already_read 0
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 iocb->ki_filp->f_inode->i_blocks 0-18014398509481984[c]
USER_DATA 0 iocb->ki_filp->f_ra.prev_pos s64min-(-9223372036854743042),0-s64max[c]
USER_DATA 0 iocb->ki_flags 0-s32max[c][u]
USER_DATA 0 iocb->ki_ioprio 0-u16max
USER_DATA 0 iocb->ki_pos 0-13442450941
USER_DATA 1 iter->count 0-u64max
USER_DATA 1 iter->iov_offset 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 iocb->ki_filp->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE 0 iocb->ki_filp->f_path.moved->d_inode->i_size
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &vi->i_rwsem

fs/smb/client/file.c cifs_strict_readv() -> filemap_read()

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->i_rwsem.dep_map->name 0-255
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->list.next 2212933610777083904,2624917664208203776
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->list.prev 2212933610777083904,2624917664208203776
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->private_data 4096-ptr_max
PARAM_VALUE 1 iter 4096-ptr_max
PARAM_VALUE 2 already_read 0
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
BIT_INFO 0 iocb->ki_flags 0x0,0x7ffdffff
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-13442450941
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
LOCK2 &cinode->lock_sem
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem
TYPE_LOCK (struct inode)->i_rwsem

fs/netfs/buffered_read.c netfs_buffered_read_iter() -> filemap_read()

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->i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.dep_map->name 0-255
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->list.next 2212933610777083904,2624917664208203776
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->list.prev 2212933610777083904,2624917664208203776
PARAM_VALUE 0 iocb->ki_filp->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 2 already_read 0
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
BIT_INFO 0 iocb->ki_flags 0x0,0xfffdffff
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-13442450941
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 iocb->ki_filp->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE 0 iocb->ki_filp->f_path.moved->d_inode->i_size
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/erofs/data.c erofs_file_read_iter() -> filemap_read()

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->i_sb 4096-ptr_max
PARAM_VALUE 1 iter 4096-ptr_max
PARAM_VALUE 2 already_read 0
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-13442450941
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
HALF_LOCKED2 &pool->lock

fs/f2fs/file.c f2fs_file_read_iter() -> filemap_read()

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->i_sb 4096-ptr_max
PARAM_VALUE 2 already_read 0
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-13442450941
USER_DATA 1 iter->count 1-1000000000
USER_DATA 1 iter->iov_offset 0-u64max[c]
HALF_LOCKED2 &pool->lock

block/fops.c blkdev_read_iter() -> filemap_read()

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_mapping 4096-ptr_max
PARAM_VALUE 0 iocb->ki_filp->f_mapping->host->i_rwsem.dep_map->name 0-255
PARAM_VALUE 0 iocb->ki_filp->f_mapping->host->i_rwsem.first_waiter->list.next 2212933610777083904
PARAM_VALUE 0 iocb->ki_filp->f_mapping->host->i_rwsem.first_waiter->list.prev 2212933610777083904
PARAM_VALUE 0 iocb->ki_filp->f_mapping->host->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 iocb->ki_filp->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 iocb->ki_filp->f_path.dentry->d_inode->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 iocb->ki_filp->f_path.dentry->d_inode->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 1 iter 4096-ptr_max
PARAM_VALUE 2 already_read 0-4294967295
BUF_SIZE 0 iocb (-1),48
BUF_SIZE 0 iocb (-1),48
CAPPED_DATA 2 already_read 1
CAPPED_DATA 2 already_read 1
DATA_SOURCE 0 iocb $0
DATA_SOURCE 1 iter $1
FUZZY_MAX 2 already_read 0
NOSPEC 0 iocb->ki_pos
NOSPEC 1 iter->count
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 0-17737418236
USER_DATA 1 iter->count 1-18446744073709551614
USER_DATA 1 iter->iov_offset 0-u64max[c]
LOCK2 &bd_inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem