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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/direct-io.c __blockdev_direct_IO() -> dio_zero_block()

Type Parameter Key Value
PARAM_VALUE 0 dio 4096-ptr_max
PARAM_VALUE 0 dio->flags 0,3
PARAM_VALUE 0 dio->inode 4096-ptr_max
PARAM_VALUE 0 dio->inode->i_mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 dio->inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 dio->inode->i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 dio->inode->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 dio->inode->i_sb 4096-ptr_max
PARAM_VALUE 0 dio->inode->i_sb->s_export_op->fh_to_dentry 0,8684,447817974243774464,687732489194512384,742201802719268864
PARAM_VALUE 0 dio->inode->i_sb->s_export_op->fh_to_parent 0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE 0 dio->inode->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE 0 dio->io_error (-5),0
PARAM_VALUE 0 dio->iocb 4096-ptr_max
PARAM_VALUE 0 dio->iocb->ki_filp 4096-ptr_max
PARAM_VALUE 0 dio->is_async 0-1
PARAM_VALUE 0 dio->opf 0,34817
PARAM_VALUE 0 dio->private 0,4096-ptr_max
PARAM_VALUE 0 dio->result s32min-s64max
PARAM_VALUE 1 sdio 8554987485265027072
PARAM_VALUE 1 sdio->bio 0,4096-ptr_max
PARAM_VALUE 1 sdio->blkbits 0-255
PARAM_VALUE 1 sdio->blkfactor 0-255,4294967041-u32max
PARAM_VALUE 1 sdio->boundary 0-1
PARAM_VALUE 1 sdio->cur_page_offset 0-4095
PARAM_VALUE 1 sdio->final_block_in_request 0-9223372036854775807,u64max
PARAM_VALUE 1 sdio->iter 4096-ptr_max
PARAM_VALUE 1 sdio->start_zero_done 0-1
PARAM_VALUE 1 sdio->to 0-4096
PARAM_VALUE 2 end 1
PARAM_VALUE 3 map_bh 7665548196098056192
PARAM_VALUE 3 map_bh->b_data 0
PARAM_VALUE 3 map_bh->b_folio 0
PARAM_VALUE 3 map_bh->b_mmb 0
PARAM_VALUE 3 map_bh->b_page 0
PARAM_VALUE 3 map_bh->b_state 0
DATA_SOURCE 0 dio r kmem_cache_alloc_noprof
FUZZY_MAX 0 dio->is_async 1
FUZZY_MAX 0 dio->opf 34817
FUZZY_MAX 0 dio->result 0
BIT_INFO 0 dio->opf 0x0,0x8801
NOSPEC 0 dio->iocb->ki_pos
NOSPEC 1 sdio->block_in_file
NOSPEC 1 sdio->cur_page_offset
HARD_MAX 0 dio->is_async 1
HARD_MAX 0 dio->opf 34817
MEM_ZERO 0 dio
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 dio->iocb->ki_flags 0-s32max[c][u]
USER_DATA 0 dio->iocb->ki_ioprio 0-u16max
USER_DATA 0 dio->iocb->ki_pos s64min-(-2),0-s64max
USER_DATA 1 sdio->block_in_file 0-9223372036854775807,u64max[c]
USER_DATA 1 sdio->blocks_available 0-u32max[c][u]
USER_DATA 1 sdio->cur_page_offset 0-4095[c]
USER_DATA 1 sdio->head 0-524288[c]
USER_DATA 1 sdio->pages_in_io 1-524291[c][u]
USER_DATA 1 sdio->tail 0-524288[c]
USER_DATA 1 sdio->to 1-4096[c]
NO_OVERFLOW_SIMPLE 0 dio->inode->i_bytes
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock

fs/direct-io.c do_direct_IO() -> dio_zero_block()

Type Parameter Key Value
PARAM_VALUE 0 dio 4096-ptr_max
PARAM_VALUE 0 dio->flags 0,3
PARAM_VALUE 0 dio->inode 4096-ptr_max
PARAM_VALUE 0 dio->inode->i_mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 dio->inode->i_mapping->host->i_sb->s_cop->empty_dir 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE 0 dio->inode->i_mapping->host->i_sb->s_cop->get_context 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE 0 dio->inode->i_mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,2632,2648
PARAM_VALUE 0 dio->inode->i_mapping->host->i_sb->s_cop->set_context 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE 0 dio->inode->i_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 dio->inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 dio->inode->i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 dio->inode->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 dio->inode->i_sb 4096-ptr_max
PARAM_VALUE 0 dio->inode->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2704
PARAM_VALUE 0 dio->io_error 0
PARAM_VALUE 0 dio->iocb 4096-ptr_max
PARAM_VALUE 0 dio->iocb->ki_filp 4096-ptr_max
PARAM_VALUE 0 dio->is_async 0-1
PARAM_VALUE 0 dio->opf 0,34817
PARAM_VALUE 0 dio->private 0,4096-ptr_max
PARAM_VALUE 0 dio->refcount 1
PARAM_VALUE 0 dio->result s32min-s64max
PARAM_VALUE 1 sdio 8554987485265027072
PARAM_VALUE 1 sdio->bio 0
PARAM_VALUE 1 sdio->blkbits 0-255
PARAM_VALUE 1 sdio->blkfactor 1-255,4294967041-u32max
PARAM_VALUE 1 sdio->boundary 0
PARAM_VALUE 1 sdio->cur_page 0
PARAM_VALUE 1 sdio->cur_page_block 0
PARAM_VALUE 1 sdio->cur_page_fs_offset 0
PARAM_VALUE 1 sdio->cur_page_len 0
PARAM_VALUE 1 sdio->cur_page_offset 0
PARAM_VALUE 1 sdio->final_block_in_bio u64max
PARAM_VALUE 1 sdio->final_block_in_request 1-9223372036854775807,u64max
PARAM_VALUE 1 sdio->iter 4096-ptr_max
PARAM_VALUE 1 sdio->logical_offset_in_bio 0
PARAM_VALUE 1 sdio->reap_counter 0
PARAM_VALUE 1 sdio->start_zero_done 0
PARAM_VALUE 1 sdio->to 0-4096
PARAM_VALUE 2 end 0
PARAM_VALUE 3 map_bh 7665548196098056192
PARAM_VALUE 3 map_bh->b_data 0
PARAM_VALUE 3 map_bh->b_folio 0
PARAM_VALUE 3 map_bh->b_mmb 0
PARAM_VALUE 3 map_bh->b_page 0
PARAM_VALUE 3 map_bh->b_private 0,4096-ptr_max
PARAM_VALUE 3 map_bh->b_state 0
CAPPED_DATA 1 sdio->block_in_file 1
CAPPED_DATA 1 sdio->final_block_in_request 1
DATA_SOURCE 0 dio $0
DATA_SOURCE 1 sdio $1
DATA_SOURCE 3 map_bh $2
FUZZY_MAX 0 dio->is_async 1
FUZZY_MAX 0 dio->opf 34817
PARAM_COMPARE 1 sdio->block_in_file < $1->final_block_in_request
BIT_INFO 0 dio->opf 0x0,0x8801
NOSPEC 0 dio->iocb->ki_pos
NOSPEC 1 sdio->block_in_file
HARD_MAX 0 dio->is_async 1
HARD_MAX 0 dio->opf 34817
MEM_ZERO 0 dio
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 dio->inode->i_blocks 0-36028797024823342
USER_DATA 0 dio->inode->i_bytes 0-65022[c]
USER_DATA 0 dio->inode->i_mapping->host->i_blocks 0-18014398515341359,18428729675200069633-u64max
USER_DATA 0 dio->inode->i_mapping->host->i_bytes 0-65023[c]
USER_DATA 0 dio->inode->i_mapping->host->i_size 0-9223372036854775806
USER_DATA 0 dio->inode->i_sb->s_flags 0-u64max[c]
USER_DATA 0 dio->inode->i_size 0-9223372036854775806
USER_DATA 0 dio->iocb->ki_flags 0-s32max[c][u]
USER_DATA 0 dio->iocb->ki_ioprio 0-u16max
USER_DATA 0 dio->iocb->ki_pos s64min-(-2),0-s64max
USER_DATA 1 sdio->block_in_file 0-s32max[c]
USER_DATA 1 sdio->blocks_available 0-u32max[c][u]
USER_DATA 1 sdio->pages_in_io 1-524291[c][u]
USER_DATA 1 sdio->tail 0-524288[c]
USER_DATA 1 sdio->to 1-4096[c]
USER_DATA 3 map_bh->b_blocknr 1-u64max[c]
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock