Defined in 1 files as a function:

Referenced in 8 files:

Smatch caller information:

fs/ext4/block_validity.c ext4_setup_system_zone() -> ext4_get_groups_count()

Type Parameter Key Value
DATA_SOURCE 0 sb $0

fs/ext4/inode.c ext4_meta_trans_blocks() -> ext4_get_groups_count()

Type Parameter Key Value
BUF_SIZE 0 sb (-1),2816
BUF_SIZE 0 sb (-1),2816
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 sb->s_flags 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize_bits
UNITS 0 sb unit_byte

fs/ext4/ialloc.c __ext4_new_inode() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/ialloc.c ext4_count_dirs() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0

fs/ext4/ialloc.c ext4_count_free_inodes() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0

fs/ext4/ialloc.c find_group_orlov() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/ialloc.c find_group_other() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_get_allocation_groups_count() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_last_grp_cluster() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
LOCK2 0 sb

fs/ext4/mballoc.c ext4_mb_discard_preallocations() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_mb_init_backend() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_flags 0-2147486719
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb->s_bdev 2136
BUF_SIZE 0 sb->s_bdev->bd_queue 2456
BUF_SIZE 0 sb->s_op 224
CAPPED_DATA 0 sb->s_dentry_lru.key 1
CAPPED_DATA 0 sb->s_inode_lru.key 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc.c ext4_mb_init_backend() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_flags 0-2147486719
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb->s_bdev 2136
BUF_SIZE 0 sb->s_bdev->bd_queue 2456
BUF_SIZE 0 sb->s_op 224
CAPPED_DATA 0 sb->s_dentry_lru.key 1
CAPPED_DATA 0 sb->s_inode_lru.key 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc.c ext4_mb_init_backend() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_flags 0-2147486719
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb->s_bdev 2136
BUF_SIZE 0 sb->s_bdev->bd_queue 2456
BUF_SIZE 0 sb->s_op 224
CAPPED_DATA 0 sb->s_dentry_lru.key 1
CAPPED_DATA 0 sb->s_inode_lru.key 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc.c ext4_mb_init_backend() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_flags 0-2147486719
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb->s_bdev 2136
BUF_SIZE 0 sb->s_bdev->bd_queue 2456
BUF_SIZE 0 sb->s_op 224
CAPPED_DATA 0 sb->s_dentry_lru.key 1
CAPPED_DATA 0 sb->s_inode_lru.key 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc.c ext4_mb_init_backend() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_flags 0-2147486719
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb->s_bdev 2136
BUF_SIZE 0 sb->s_bdev->bd_queue 2456
BUF_SIZE 0 sb->s_op 224
CAPPED_DATA 0 sb->s_dentry_lru.key 1
CAPPED_DATA 0 sb->s_inode_lru.key 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc.c ext4_mb_init_cache() -> ext4_get_groups_count()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_mb_new_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_mb_new_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_mb_prefetch() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte
HALF_LOCKED2 &elr->lr_super->s_umount

fs/ext4/mballoc.c ext4_mb_prefetch_fini() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 sb->s_fs_info->s_first_error_block s64min-s64max[c]
USER_DATA 0 sb->s_fs_info->s_first_error_ino 0-4294967295
UNITS 0 sb unit_byte
HALF_LOCKED2 &elr->lr_super->s_umount

fs/ext4/mballoc.c ext4_mb_release() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),(-1)-s32max
BUF_SIZE 0 sb s32min,(-10),(-1)-s32max
BUF_SIZE 0 sb->s_bdev (-1),2136
BUF_SIZE 0 sb->s_bdev->bd_queue (-1),2456
BUF_SIZE 0 sb->s_fs_info (-1),4416
BUF_SIZE 0 sb->s_op (-1),216,224
BUF_SIZE 0 sb->s_type (-1),232
BUF_SIZE 0 sb->s_xattr (-1),16
DATA_SOURCE 0 sb $0
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
STR_LEN 0 sb->s_id (-1),31
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 sb->s_bdev_file->f_flags 0,32768-u32max
USER_DATA 0 sb->s_bdev_file->f_mode 0,64-u32max
USER_DATA 0 sb->s_flags 0-u64max[c]
USER_DATA 0 sb->s_root->__d_name.hash 0-u32max[c]
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize_bits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_size
HALF_LOCKED2 0 &sb->s_umount

fs/ext4/mballoc.c ext4_mb_seq_groups_next() -> ext4_get_groups_count()

Type Parameter Key Value
BUF_SIZE 0 sb s32min-(-2),1-s32max
BUF_SIZE 0 sb s32min-(-2),1-s32max
DATA_SOURCE 0 sb r pde_data
RX_PATH
TASK_NOT_RUNNING
LOCK2 &seq->lock
TYPE_LOCK (struct seq_file)->lock

fs/ext4/mballoc.c ext4_mb_seq_groups_start() -> ext4_get_groups_count()

Type Parameter Key Value
BUF_SIZE 0 sb s32min-(-2),1-s32max
BUF_SIZE 0 sb s32min-(-2),1-s32max
DATA_SOURCE 0 sb r pde_data
RX_PATH
TASK_NOT_RUNNING
LOCK2 &seq->lock
TYPE_LOCK (struct seq_file)->lock

fs/ext4/mballoc.c ext4_mb_show_pa() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/mballoc.c ext4_seq_mb_stats_show() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min-(-2),1-s32max
BUF_SIZE 0 sb s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_array_size
LOCK2 &seq->lock
TYPE_LOCK (struct seq_file)->lock

fs/ext4/ioctl.c ext4_update_superblocks_fn() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb (-1),2880
BUF_SIZE 0 sb (-1),2880
DATA_SOURCE 0 sb $0
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
UNITS 0 sb unit_byte

fs/ext4/mballoc-test.c mbt_ctx_init() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb 2880
CAPPED_DATA 0 sb->s_dentry_lru.key 1
CAPPED_DATA 0 sb->s_inode_lru.key 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc-test.c mbt_ctx_release() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max
CAPPED_DATA 0 sb->s_bdev 1
DATA_SOURCE 0 sb $0

fs/ext4/mballoc-test.c test_free_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max

fs/ext4/mballoc-test.c test_free_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max

fs/ext4/mballoc-test.c test_new_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max

fs/ext4/mballoc-test.c test_new_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max

fs/ext4/mballoc-test.c test_new_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max

fs/ext4/mballoc-test.c test_new_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max

fs/ext4/mballoc-test.c validate_free_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max
DATA_SOURCE 0 sb $1

fs/ext4/mballoc-test.c validate_free_blocks_simple() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),1-s32max
BUF_SIZE 0 sb s32min,(-10),1-s32max
DATA_SOURCE 0 sb $1

fs/ext4/balloc.c ext4_count_free_clusters() -> ext4_get_groups_count()

Type Parameter Key Value
BUF_SIZE 0 sb (-1),2880
BUF_SIZE 0 sb (-1),2880
BUF_SIZE 0 sb->s_bdev (-1),2136
BUF_SIZE 0 sb->s_bdev->bd_queue (-1),2456
BUF_SIZE 0 sb->s_op (-1),224
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 sb unit_byte

fs/ext4/balloc.c ext4_get_group_desc() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),(-1),1-s32max
BUF_SIZE 0 sb s32min,(-10),(-1),1-s32max
BUF_SIZE 0 sb->dq_op (-1),88
BUF_SIZE 0 sb->s_bdev (-1),2136
BUF_SIZE 0 sb->s_bdev->bd_queue (-1),2456
BUF_SIZE 0 sb->s_cop (-1),72
BUF_SIZE 0 sb->s_export_op (-1),80
BUF_SIZE 0 sb->s_op (-1),216,224
BUF_SIZE 0 sb->s_qcop (-1),88
BUF_SIZE 0 sb->s_root (-1)-s32max
BUF_SIZE 0 sb->s_vop (-1),48
BUF_SIZE 0 sb->s_xattr (-1),40
DATA_SOURCE 0 sb $0
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 sb->s_flags 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize_bits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_size
UNITS 0 sb unit_byte
HALF_LOCKED2 &elr->lr_super->s_umount
HALF_LOCKED2 &journal->j_barrier
HALF_LOCKED2 0 sb

fs/ext4/balloc.c num_clusters_in_group() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb s32min,(-10),(-1),1-s32max
BUF_SIZE 0 sb s32min,(-10),(-1),1-s32max
BUF_SIZE 0 sb->dq_op (-1),88
BUF_SIZE 0 sb->s_bdev (-1),2136
BUF_SIZE 0 sb->s_bdev->bd_queue (-1),2456
BUF_SIZE 0 sb->s_cop (-1),72
BUF_SIZE 0 sb->s_export_op (-1),80
BUF_SIZE 0 sb->s_op (-1),216
BUF_SIZE 0 sb->s_qcop (-1),88
BUF_SIZE 0 sb->s_vop (-1),48
BUF_SIZE 0 sb->s_xattr (-1),40
DATA_SOURCE 0 sb $0
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 sb->s_bdev_file->f_flags 0,32768-u32max
USER_DATA 0 sb->s_bdev_file->f_mode 0,64-u32max
USER_DATA 0 sb->s_flags 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize_bits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_size
UNITS 0 sb unit_byte
HALF_LOCKED2 0 sb

fs/ext4/super.c count_overhead() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
DATA_SOURCE 0 sb $0
UNITS 0 sb unit_byte

fs/ext4/super.c ext4_calculate_overhead() -> ext4_get_groups_count()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->s_fs_info 4096-ptr_max
BUF_SIZE 0 sb (-1),2880
BUF_SIZE 0 sb (-1),2880
BUF_SIZE 0 sb->dq_op (-1),88
BUF_SIZE 0 sb->s_cop (-1),72
BUF_SIZE 0 sb->s_export_op (-1),80
BUF_SIZE 0 sb->s_op (-1),224
BUF_SIZE 0 sb->s_qcop (-1),88
BUF_SIZE 0 sb->s_vop (-1),48
BUF_SIZE 0 sb->s_xattr (-1),40
DATA_SOURCE 0 sb $0
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 sb->s_flags 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
UNITS 0 sb unit_byte