Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 6 files:
- fs/btrfs/extent_io.c, line 1043
- fs/erofs/zdata.c, line 1831
- fs/netfs/buffered_read.c, line 48
- fs/orangefs/inode.c, line 239
- fs/squashfs/file.c, line 589
- mm/readahead.c, line 861
Smatch caller information:
fs/erofs/zdata.c z_erofs_pcluster_readmore() -> readahead_expand()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ractl | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->_batch_count | 0 |
| PARAM_VALUE | 0 | ractl->_nr_pages | 1-u32max |
| PARAM_VALUE | 0 | ractl->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops->readahead | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1808,2632,2648,2712 |
| PARAM_VALUE | 0 | ractl->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 | ractl->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 | ractl->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 | ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->type | 0-1 |
| BUF_SIZE | 0 | ractl->file | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | ractl->ra | (-1),32 |
| DATA_SOURCE | 0 | ractl | $1 |
| NOSPEC | 0 | ractl->_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | ractl->_index | 0-u64max[c] |
| USER_DATA | 0 | ractl->_nr_pages | 1-u32max[c][u] |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_size | |
| UNITS | 1 | new_start | unit_byte |
| UNITS | 2 | new_len | unit_byte |
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/orangefs/inode.c orangefs_readahead() -> readahead_expand()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ractl | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->_nr_pages | 1-u32max |
| PARAM_VALUE | 0 | ractl->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops->readahead | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_export_op->encode_fh | 0,2,4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | new_len | 1-u64max |
| BUF_SIZE | 0 | ractl->file | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | ractl->ra | (-1),32 |
| DATA_SOURCE | 0 | ractl | $0 |
| DATA_SOURCE | 1 | new_start | r readahead_pos |
| FUZZY_MAX | 2 | new_len | 4194304 |
| BIT_INFO | 2 | new_len | 0x0,0x7fffffffffffffff |
| BIT_INFO | 2 | new_len | 0x0,0x7fffffffffffffff |
| NOSPEC | 0 | ractl->_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | ractl->_index | 0-4503612512272380[c] |
| USER_DATA | 0 | ractl->_nr_pages | 1-u32max[c][u] |
| USER_DATA | 0 | ractl->mapping->host->i_bytes | 0-65023[c] |
| USER_DATA | 0 | ractl->mapping->host->i_mode | 0-u16max |
| USER_DATA | 1 | new_start | 0-s64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_size | |
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/btrfs/extent_io.c btrfs_readahead_expand() -> readahead_expand()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ractl | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| CAPPED_DATA | 1 | new_start | 1 |
| DATA_SOURCE | 0 | ractl | $0 |
| DATA_SOURCE | 1 | new_start | r readahead_pos |
| BIT_INFO | 1 | new_start | 0x0,0x7fffffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/squashfs/file.c squashfs_readahead() -> readahead_expand()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ractl | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->_nr_pages | 1-u32max |
| PARAM_VALUE | 0 | ractl->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops->readahead | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648 |
| PARAM_VALUE | 0 | ractl->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 | ractl->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 | ractl->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 | ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | new_start | 0-s64max |
| BUF_SIZE | 0 | ractl->file | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | ractl->ra | (-1),32 |
| CAPPED_DATA | 1 | new_start | 1 |
| CAPPED_DATA | 1 | new_start | 1 |
| DATA_SOURCE | 0 | ractl | $0 |
| NOSPEC | 0 | ractl->_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | ractl->_index | 0-4503612512272380[c] |
| USER_DATA | 0 | ractl->_nr_pages | 1-u32max[c][u] |
| USER_DATA | 0 | ractl->mapping->host->i_bytes | 0-65023[c] |
| USER_DATA | 0 | ractl->mapping->host->i_mode | 0-u16max |
| USER_DATA | 1 | new_start | 1-s64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_size | |
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/netfs/buffered_read.c netfs_rreq_expand() -> readahead_expand()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ractl | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->_batch_count | 0 |
| PARAM_VALUE | 0 | ractl->_nr_pages | 1-u32max |
| PARAM_VALUE | 0 | ractl->file | 0,4096-ptr_max |
| PARAM_VALUE | 0 | ractl->file->private_data->count | s32min-s32max |
| PARAM_VALUE | 0 | ractl->file->private_data->count.refs.counter | s32min-s32max |
| PARAM_VALUE | 0 | ractl->file->private_data->file_info_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ractl->file->private_data->rw_contexts_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ractl->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->a_ops->readahead | 4096-ptr_max |
| PARAM_VALUE | 0 | ractl->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648,2712 |
| PARAM_VALUE | 0 | ractl->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 | ractl->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 | ractl->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 | ractl->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 | ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->host->i_sb->s_umount.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | ractl->mapping->invalidate_lock.first_waiter->type | 0-1 |
| BUF_SIZE | 0 | ractl->file | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | ractl->ra | (-1),32 |
| DATA_SOURCE | 0 | ractl | $1 |
| NOSPEC | 0 | ractl->_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | ractl->_index | 0-u64max[c] |
| USER_DATA | 0 | ractl->_nr_pages | 1-u32max[c][u] |
| USER_DATA | 1 | new_start | s64min-(-2),0-s64max |
| USER_DATA | 2 | new_len | 1-u64max |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | ractl->mapping->host->i_size | |
| UNITS | 1 | new_start | unit_byte |
| UNITS | 2 | new_len | unit_byte |
| HALF_LOCKED2 | &mapping->invalidate_lock |