Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
fs/ext4/mballoc.c ext4_mb_scan_groups() -> ext4_get_allocation_groups_count()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_inode | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_logical | 1 |
| DATA_SOURCE | 0 | ac | $0 |
| 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 | |
| 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 | 0-2147483648[c] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen |
fs/ext4/mballoc.c ext4_mb_scan_groups_best_avail() -> ext4_get_allocation_groups_count()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_inode | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| CAPPED_DATA | 0 | ac->ac_2order | 1 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_len | 1 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_logical | 1 |
| DATA_SOURCE | 0 | ac | $0 |
| NOSPEC | 0 | ac->ac_b_ex.fe_len | |
| NOSPEC | 0 | ac->ac_b_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_e4b->bd_group | |
| 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 | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | ac->ac_b_ex.fe_len | s32min-s32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_logical | 0-u32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_start | 0-2147483646[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_sb->s_flags | 0-u64max[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-u32max |
| USER_DATA | 0 | ac->ac_g_ex.fe_start | 0-s32max[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] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_e4b->bd_sb->s_blocksize_bits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_ino | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen |
fs/ext4/mballoc.c ext4_mb_scan_groups_goal_fast() -> ext4_get_allocation_groups_count()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_inode | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| CAPPED_DATA | 0 | ac->ac_2order | 1 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_logical | 1 |
| DATA_SOURCE | 0 | ac | $0 |
| NOSPEC | 0 | ac->ac_b_ex.fe_len | |
| NOSPEC | 0 | ac->ac_b_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_e4b->bd_group | |
| 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 | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | ac->ac_b_ex.fe_len | s32min-s32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_logical | 0-u32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_start | 0-2147483646[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_sb->s_flags | 0-u64max[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-u32max |
| USER_DATA | 0 | ac->ac_g_ex.fe_start | 0-s32max[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] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_e4b->bd_sb->s_blocksize_bits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_ino | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen |
fs/ext4/mballoc.c ext4_mb_scan_groups_p2_aligned() -> ext4_get_allocation_groups_count()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_inode | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| CAPPED_DATA | 0 | ac->ac_2order | 1 |
| CAPPED_DATA | 0 | ac->ac_o_ex.fe_logical | 1 |
| DATA_SOURCE | 0 | ac | $0 |
| NOSPEC | 0 | ac->ac_b_ex.fe_len | |
| NOSPEC | 0 | ac->ac_b_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_e4b->bd_group | |
| 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 | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | ac->ac_b_ex.fe_len | s32min-s32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_logical | 0-u32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_start | 0-2147483646[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_e4b->bd_sb->s_flags | 0-u64max[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-u32max |
| USER_DATA | 0 | ac->ac_g_ex.fe_start | 0-s32max[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] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_e4b->bd_sb->s_blocksize_bits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_ino | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen |
fs/ext4/mballoc.c ext4_mb_scan_groups_xa_range() -> ext4_get_allocation_groups_count()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ac | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | ac->ac_sb->s_fs_info | 4096-ptr_max |
| BUF_SIZE | 0 | ac | (-1)-s32max |
| BUF_SIZE | 0 | ac | (-1)-s32max |
| BUF_SIZE | 0 | ac->ac_e4b | (-1),56 |
| DATA_SOURCE | 0 | ac | $0 |
| NOSPEC | 0 | ac->ac_b_ex.fe_group | |
| NOSPEC | 0 | ac->ac_b_ex.fe_len | |
| NOSPEC | 0 | ac->ac_b_ex.fe_logical | |
| NOSPEC | 0 | ac->ac_b_ex.fe_start | |
| NOSPEC | 0 | ac->ac_f_ex.fe_group | |
| 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 | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | ac->ac_b_ex.fe_group | 0-u32max |
| USER_DATA | 0 | ac->ac_b_ex.fe_len | s32min-s32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_logical | 0-u32max[c] |
| USER_DATA | 0 | ac->ac_b_ex.fe_start | 0-s32max[c] |
| USER_DATA | 0 | ac->ac_buddy | 0-u16max |
| USER_DATA | 0 | ac->ac_e4b->bd_group | 0-4294967294[c] |
| USER_DATA | 0 | ac->ac_f_ex.fe_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-u32max |
| 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 | 0-2147483648[c] |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_linklen | |
| NO_OVERFLOW_SIMPLE | 0 | ac->ac_inode->i_size |