__vfs_read        461 fs/read_write.c 		ret = __vfs_read(file, buf, count, pos);
__vfs_read       1916 include/linux/fs.h extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
__vfs_read        200 security/integrity/iint.c 	ret = __vfs_read(file, buf, count, &offset);