On Fri, May 18, 2018 at 01:45:49PM -0400, Kent Overstreet wrote:
> On Fri, May 18, 2018 at 08:53:30AM -0700, Christoph Hellwig wrote:
> > On Fri, May 18, 2018 at 06:13:06AM -0700, Matthew Wilcox wrote:
> > > > Historically, the only problematic case has been direct IO, and people
> > > > have been
On Wed, May 23, 2018 at 08:22:39AM -0700, Christoph Hellwig wrote:
> On Sun, May 20, 2018 at 06:45:24PM -0400, Kent Overstreet wrote:
> > >
> > > Honestly I think this probably should be in the core. But IFF we move
> > > it to the core the existing users of per-fs locks need to be moved
> > > ov
On Sun, May 20, 2018 at 06:45:24PM -0400, Kent Overstreet wrote:
> >
> > Honestly I think this probably should be in the core. But IFF we move
> > it to the core the existing users of per-fs locks need to be moved
> > over first. E.g. XFS as the very first one, and at least ext4 and f2fs
> > tha
On Fri, May 18, 2018 at 08:53:30AM -0700, Christoph Hellwig wrote:
> On Fri, May 18, 2018 at 06:13:06AM -0700, Matthew Wilcox wrote:
> > > Historically, the only problematic case has been direct IO, and people
> > > have been willing to say "well, if you mix buffered and direct IO you
> > > get wha
On Fri, May 18, 2018 at 08:53:30AM -0700, Christoph Hellwig wrote:
> On Fri, May 18, 2018 at 06:13:06AM -0700, Matthew Wilcox wrote:
> > > Historically, the only problematic case has been direct IO, and people
> > > have been willing to say "well, if you mix buffered and direct IO you
> > > get wha
On Fri, May 18, 2018 at 06:13:06AM -0700, Matthew Wilcox wrote:
> > Historically, the only problematic case has been direct IO, and people
> > have been willing to say "well, if you mix buffered and direct IO you
> > get what you deserve", and that's probably not unreasonable. But now we
> > have f
On Fri, May 18, 2018 at 03:49:00AM -0400, Kent Overstreet wrote:
> Add a per address space lock around adding pages to the pagecache - making it
> possible for fallocate INSERT_RANGE/COLLAPSE_RANGE to work correctly, and also
> hopefully making truncate and dio a bit saner.
(moving this section he
Add a per address space lock around adding pages to the pagecache - making it
possible for fallocate INSERT_RANGE/COLLAPSE_RANGE to work correctly, and also
hopefully making truncate and dio a bit saner.
Signed-off-by: Kent Overstreet
---
fs/inode.c| 1 +
include/linux/fs.h| 23
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