Re: 1352 NUL bytes at the end of a page?

Wayne Scott
2004-05-17T13:56:43Z

From: Andrew Morton <akpm@osdl.org>
> Well we can stop right there, because the only way someone can get some
> more non-zero user data into this page before we memset and write it is by
> locking the page beforehand, and block_write_full_page() has the page lock.
> (Or they can write stuff into it via mmap, but writing to the page outside
> i_size is an application bug).

BTW: BitKeeper never opens a writable mmap to a file. The files are
read with mmap() and written by fwriting to a tmp file and then
renaming over the target. And since we run on Windows, no process has
the file open when we are updating it.

Still catching up on this thread.

-Wayne