Open Menu /

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 6 files:

Smatch caller information:

fs/btrfs/file.c prepare_uptodate_folio() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
PARAM_VALUE 1 folio->mapping 1-u64max
DATA_SOURCE 1 folio $1
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 folio->mapping->writeback_index 0-524287[c]
HALF_LOCKED2 &pool->lock

fs/btrfs/inode.c btrfs_truncate_block() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
DATA_SOURCE 1 folio r __filemap_get_folio
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 folio->mapping->writeback_index 0-524287[c]

fs/btrfs/inode.c truncate_block_zero_beyond_eof() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
DATA_SOURCE 1 folio r filemap_lock_folio
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 folio->mapping->writeback_index 0-524287[c]

fs/btrfs/free-space-cache.c io_ctl_prepare_pages() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
PARAM_VALUE 1 folio->mapping 1-u64max
DATA_SOURCE 1 folio r __filemap_get_folio
RX_PATH
NOCHECK_CALL
LOCK2 &caching_ctl->mutex
LOCK2 &fs_info->commit_root_sem
LOCK2 &pool->lock
TYPE_LOCK (struct btrfs_caching_control)->mutex
TYPE_LOCK (struct btrfs_fs_info)->commit_root_sem

fs/btrfs/relocation.c relocate_one_folio() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &fs_info->cleaner_mutex
HALF_LOCKED2 &fs_info->reclaim_bgs_lock
TYPE_LOCK (struct btrfs_fs_info)->cleaner_mutex
TYPE_LOCK (struct btrfs_fs_info)->reclaim_bgs_lock

fs/btrfs/defrag.c defrag_prepare_one_folio() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
PARAM_VALUE 1 folio->mapping 1-u64max
DATA_SOURCE 1 folio r __filemap_get_folio
NOCHECK_CALL
USER_DATA 1 folio->mapping->writeback_index 0-524287[c]
LOCK2 &inode->vfs_inode.i_rwsem
TYPE_LOCK (struct inode)->i_rwsem

fs/btrfs/send.c put_file_data() -> btrfs_read_folio()

Type Parameter Key Value
PARAM_VALUE 0 file 0
PARAM_VALUE 1 folio 4096-ptr_max
NOCHECK_CALL

mm/readahead.c read_pages() -> (struct address_space_operations)->read_folio()

Type Parameter Key Value
PARAM_VALUE 1 folio 4096-ptr_max
PARAM_VALUE 1 folio->_deferred_list.next->prev 4096-ptr_max
PARAM_VALUE 1 folio->_deferred_list.prev->next 4096-ptr_max
PARAM_VALUE 1 folio->_hugetlb_subpool 0
PARAM_VALUE 1 folio->lru.next 4096-ptr_max
PARAM_VALUE 1 folio->lru.prev 4096-ptr_max
PARAM_VALUE 1 folio->mapping 0
PARAM_VALUE 1 folio->page.buddy_list.next 4096-ptr_max
PARAM_VALUE 1 folio->page.buddy_list.prev 4096-ptr_max
PARAM_VALUE 1 folio->page.memcg_data 0
PARAM_VALUE 1 folio->page.pcp_list.next 4096-ptr_max
PARAM_VALUE 1 folio->page.pcp_list.prev 4096-ptr_max
PARAM_VALUE 1 folio->page.zone_device_data->kref.refcount.refs.counter s32min-s32max
PARAM_VALUE 1 folio->page.zone_device_data->memcg_data 0
PARAM_VALUE 1 folio->pgmap->ref.data 0,4096-ptr_max
PARAM_VALUE 1 folio->private 0
BUF_SIZE 0 file s32min-(-1),1-s32max
BUF_SIZE 0 file s32min-(-1),1-s32max
DATA_SOURCE 1 folio r readahead_folio
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &mapping->invalidate_lock

mm/filemap.c filemap_read_folio() -> filemap_read_folio param 1()

Type Parameter Key Value
PARAM_VALUE 0 file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_inode->i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 file->f_inode->i_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_inode->i_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 file->f_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 file->f_inode->i_sb->s_cop->inode_info_offs 1632,1640,1720,1808,1816,2632,2640,2648,2704,2712
PARAM_VALUE 0 file->f_inode->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_inode->i_sb->s_umount.first_waiter->type 0-1
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_rwsem.first_waiter->type 0-1
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 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-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
PARAM_VALUE 0 file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 file->f_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_mapping->invalidate_lock.first_waiter->type 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_sb->s_cop->empty_dir 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE 0 file->f_path.dentry->d_inode->i_sb->s_cop->get_context 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE 0 file->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2712
PARAM_VALUE 0 file->f_path.dentry->d_inode->i_sb->s_cop->set_context 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE 1 folio 4096-ptr_max
PARAM_VALUE 1 folio->mapping 1-u64max
CAPPED_DATA 1 folio 1
CAPPED_DATA 1 folio->mapping 1
DATA_SOURCE 0 file $0
DATA_SOURCE 1 folio $2
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 file->f_inode->i_blocks 0-36028797018963967[c]
USER_DATA 1 folio->mapping->writeback_index 0-524287[c]
NO_OVERFLOW_SIMPLE 0 file->f_path.d_inode->i_size
HALF_LOCKED2 &mapping->invalidate_lock