Messages in this thread |  | | | From | Nick Piggin <> | | Subject | Re: [PATCH 10/28] FS-Cache: Recruit a couple of page flags for cache management [try #2] | | Date | Tue, 8 Jan 2008 14:01:11 +1100 | |
On Tuesday 08 January 2008 00:09, David Howells wrote:
> Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> > No. I mean call the bit PG_private2. That way non-pagecache and
> > filesystems that don't use fscache can use it.
>
> The bit is called PG_owner_priv_2, and then 'subclassed' to PG_fscache,
> much like PG_owner_priv_1 is 'subclassed' to PG_checked as was recommended.
It is not owner_priv if you're putting checks and tests into core
kernel pagecache code for it. owner_priv means a filesystem has it
_all_ to itself.
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