mapping_writably

函数名称：Might pages of this file have been modified in userspace?* Note that i_mmap_writable counts all VM_SHARED vmas: do_mmap_pgoff* marks vma as VM_SHARED if it is shared, and the file was opened for* writing i

函数原型：static inline int mapping_writably_mapped(struct address_space *mapping)

返回类型：int

参数：

类型	参数	名称
struct address_space *	mapping

**调用者**
名称	描述
generic_file_buffered_read	generic_file_buffered_read - generic file read routine@iocb: the iocb to read@iter: data destination@written: already copied This is a generic file read routine, and uses the* mapping->a_ops->readpage() function for the actual low-level stuff.
generic_perform_write
mmap_violation_check	Prevent mmap'ing a file execute that is already mmap'ed write
fcntl_setlk	Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().
fcntl_setlk64	Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().
iomap_write_actor

函数逻辑报告