Hi,
On Tue, Apr 18, 2000 at 01:17:52PM -0500, Steve Lord wrote:
> So I guess the question here is how do you plan on keeping track of the
> origin of the pages?
You don't have to.
> Which ones were originally part of the kernel cache
> and thus need copying up to user space?
If the caller req
> Hi,
>
> On Tue, Apr 18, 2000 at 07:56:04AM -0500, Steve Lord wrote:
>
> > I said basic implementation because it is currently paying no attention
> > to cached data. The Irix approach to this was to flush or toss cached
> > data which overlapped a direct I/O, I am leaning towards keeping them
Hi,
On Tue, Apr 18, 2000 at 07:56:04AM -0500, Steve Lord wrote:
>
> XFS is using the pagebuf code we wrote (or I should say are writing - it
> needs a lot of work yet). This uses kiobufs to represent data in a set of
> pages. So, we have the infrastructure to take a kiobuf and read or write
> it
> Hi,
>
> On Mon, Apr 17, 2000 at 05:58:48PM -0500, Steve Lord wrote:
> >
> > O_DIRECT on Linux XFS is still a work in progress, we only have
> > direct reads so far. A very basic implementation was made available
> > this weekend.
>
> Care to elaborate on how you are doing O_DIRECT?
XFS is u
