Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/ext4/extents.c ext4_zero_range() -> ext4_truncate_page_cache_block_range()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->i_sb->s_cop->inode_info_offs 1632,1720,2632,2648
CAPPED_DATA 0 inode 1
CAPPED_DATA 1 start 1
CAPPED_DATA 1 start 1
DATA_SOURCE 1 start $1
NOSPEC 1 start
NOSPEC 1 start
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 inode->i_mode 0-u16max
USER_DATA 0 inode->i_sb->s_fs_info->s_first_error_block s64min-s64max[c]
USER_DATA 0 inode->i_sb->s_fs_info->s_first_error_ino 0-4294967295
USER_DATA 1 start 0-s64max[c]
UNITS 2 end unit_byte
LOCK2 &inode->i_rwsem
LOCK2 &mapping->invalidate_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct address_space)->invalidate_lock
TYPE_LOCK (struct inode)->i_rwsem

fs/ext4/inode.c ext4_punch_hole() -> ext4_truncate_page_cache_block_range()

Type Parameter Key Value
PARAM_VALUE 0 inode 4096-ptr_max
PARAM_VALUE 0 inode->i_sb 4096-ptr_max
PARAM_VALUE 0 inode->i_size (-9223372036854775807)-s64max
PARAM_VALUE 1 start s64min-9223372036854775806
CAPPED_DATA 0 inode->i_sb 1
CAPPED_DATA 0 inode->i_size 1
CAPPED_DATA 1 start 1
CAPPED_DATA 1 start 1
CAPPED_DATA 2 end 1
CAPPED_DATA 2 end 1
DATA_SOURCE 1 start $1
PARAM_COMPARE 0 inode->i_size > $1
PARAM_COMPARE 1 start < $0->i_size
CONSTRAINT 1 start <3994
NOSPEC 1 start
NOSPEC 1 start
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 start 0-9223372036854775806[c]
UNITS 1 start unit_byte
UNITS 2 end unit_byte
LOCK2 &inode->i_rwsem
LOCK2 &mapping->invalidate_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct address_space)->invalidate_lock
TYPE_LOCK (struct inode)->i_rwsem