Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
fs/ext4/mballoc.c ext4_mb_scan_groups() -> ext4_mb_scan_groups_linear()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_criteria | 0-4 |
| PARAM_VALUE | 0 | ac->ac_e4b | 6774481802070482944 |
| PARAM_VALUE | 0 | ac->ac_inode | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_inode->i_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.first_waiter | 0,4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.first_waiter->list.prev->prev | 5159360019465732096 |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | ac->ac_op | 1 |
| PARAM_VALUE | 0 | ac->ac_pa->pa_count.counter | 1 |
| PARAM_VALUE | 0 | ac->ac_prefetch_grp | 0-4294967294 |
| PARAM_VALUE | 0 | ac->ac_prefetch_nr | 0 |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_cop->inode_info_offs | 1632,1808,2632,2648,2704,2712 |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->fh_to_parent | 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_status | 0-1,3-255 |
| PARAM_VALUE | 2 | start | 2991563679604903936 |
| PARAM_VALUE | 2 | *start | 0-4294967294 |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_logical | 1 |
| CAPPED_DATA | 0 | ac->ac_prefetch_grp | 1 |
| CAPPED_DATA | 1 | ngroups | 1 |
| CAPPED_DATA | 3 | count | 1 |
| DATA_SOURCE | 0 | ac | $0 |
| DATA_SOURCE | 1 | ngroups | r ext4_get_allocation_groups_count |
| DATA_SOURCE | 3 | count | r ext4_get_allocation_groups_count |
| FUZZY_MAX | 0 | ac->ac_criteria | 4 |
| FUZZY_MAX | 0 | ac->ac_status | 1 |
| NOSPEC | 0 | ac->ac_b_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_g_ex.fe_group | |
| NOSPEC | 0 | ac->ac_g_ex.fe_len | |
| NOSPEC | 0 | ac->ac_g_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_g_ex.fe_start | |
| NOSPEC | 0 | ac->ac_o_ex.fe_len | |
| NOSPEC | 0 | ac->ac_o_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_orig_goal_len | |
| NOSPEC | 0 | ac->ac_prefetch_grp | |
| NOSPEC | 2 | *start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | ac->ac_b_ex.fe_logical | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_len | 1-s32max[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_logical | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_inode->i_bytes | 0-65023[c] |
| USER_DATA | 0 | ac->ac_o_ex.fe_group | 0-u32max |
| USER_DATA | 0 | ac->ac_o_ex.fe_len | 1-s32max[c] |
| USER_DATA | 0 | ac->ac_o_ex.fe_logical | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_o_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_orig_goal_len | 1-s32max[c] |
| USER_DATA | 0 | ac->ac_prefetch_grp | 0-s32max[c] |
| USER_DATA | 2 | *start | 0-s32max[c] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen | |
| UNITS | 1 | ngroups | unit_byte |
| UNITS | 3 | count | unit_byte |
| USER_PTR | 2 | start |
fs/ext4/mballoc.c ext4_mb_scan_groups() -> ext4_mb_scan_groups_linear()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_criteria | 0-2 |
| PARAM_VALUE | 0 | ac->ac_e4b | 6774481802070482944 |
| PARAM_VALUE | 0 | ac->ac_inode | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_inode->i_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.first_waiter | 0,4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.first_waiter->list.prev->prev | 5159360019465732096 |
| PARAM_VALUE | 0 | ac->ac_lg->lg_mutex.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | ac->ac_op | 1 |
| PARAM_VALUE | 0 | ac->ac_pa->pa_count.counter | 1 |
| PARAM_VALUE | 0 | ac->ac_prefetch_grp | 0-4294967294 |
| PARAM_VALUE | 0 | ac->ac_prefetch_nr | 0 |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_cop->inode_info_offs | 1632,1808,2632,2648,2704,2712 |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->fh_to_parent | 0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_status | 0-1,3-255 |
| PARAM_VALUE | 2 | start | 2991563679604903936 |
| PARAM_VALUE | 2 | *start | 0-4294967294 |
| PARAM_VALUE | 3 | count | 1-u32max |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_logical | 1 |
| CAPPED_DATA | 0 | ac->ac_prefetch_grp | 1 |
| CAPPED_DATA | 1 | ngroups | 1 |
| DATA_SOURCE | 0 | ac | $0 |
| DATA_SOURCE | 1 | ngroups | r ext4_get_allocation_groups_count |
| FUZZY_MAX | 0 | ac->ac_status | 1 |
| NOSPEC | 0 | ac->ac_b_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_g_ex.fe_group | |
| NOSPEC | 0 | ac->ac_g_ex.fe_len | |
| NOSPEC | 0 | ac->ac_g_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_g_ex.fe_start | |
| NOSPEC | 0 | ac->ac_o_ex.fe_len | |
| NOSPEC | 0 | ac->ac_o_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_orig_goal_len | |
| NOSPEC | 0 | ac->ac_prefetch_grp | |
| NOSPEC | 2 | *start | |
| HARD_MAX | 0 | ac->ac_criteria | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | ac->ac_b_ex.fe_logical | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_len | 1-s32max[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_logical | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_g_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_inode->i_bytes | 0-65023[c] |
| USER_DATA | 0 | ac->ac_o_ex.fe_group | 0-u32max |
| USER_DATA | 0 | ac->ac_o_ex.fe_len | 1-s32max[c] |
| USER_DATA | 0 | ac->ac_o_ex.fe_logical | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_o_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_orig_goal_len | 1-s32max[c] |
| USER_DATA | 0 | ac->ac_prefetch_grp | 0-s32max[c] |
| USER_DATA | 2 | *start | 0-s32max[c] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen | |
| UNITS | 1 | ngroups | unit_byte |
| USER_PTR | 2 | start |