[PATCH 05/11] afs: Fix to take ref on page when PG_private is set

[David Howells]

Matthew Wilcox <willy at infradead.org> wrote:

> There's an efficiency question here that I can't answer ... how often do
> you call afs_write_begin() on a page which already has PagePrivate set?

That's a question only userspace can answer - but think shell scripts that do
lots of small appends.

David