[PATCH 4/5] afs: Zero bytes after 'oldsize' if we're expanding the file
David Howells
dhowells at redhat.com
Mon Feb 27 05:49:27 PST 2023
Matthew Wilcox (Oracle) <willy at infradead.org> wrote:
> POSIX requires that "If the file size is increased, the extended area
> shall appear as if it were zero-filled". It is possible to use mmap to
> write past EOF and that data will become visible instead of zeroes.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy at infradead.org>
That seems to work. Do you want me to pass it on to Linus? If not:
Acked-by: David Howells <dhowells at redhat.com>
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