On Fri, May 19, 2023 at 04:22:01PM +0200, Hannes Reinecke wrote:
> On 4/24/23 07:49, Christoph Hellwig wrote:
> > Use iomap in buffer_head compat mode to write to block devices.
> >
> > Signed-off-by: Christoph Hellwig
> > ---
> > block/Kconfig | 1 +
> > block/fops.c | 33
On Tue, May 23, 2023 at 03:34:31PM +0200, Jan Kara wrote:
> I've checked the code and AFAICT it is all indeed handled. BTW, I've now
> remembered that GFS2 has dealt with the same deadlocks - b01b2d72da25
> ("gfs2: Fix mmap + page fault deadlocks for direct I/O") - in a different
> way (by
> > No, that's definitely handled (and you can see it in the code I linked),
> > and I wrote a torture test for fstests as well.
>
> I've checked the code and AFAICT it is all indeed handled. BTW, I've now
> remembered that GFS2 has dealt with the same deadlocks - b01b2d72da25
> ("gfs2: Fix mmap
On Tue, May 23, 2023 at 09:21:56AM -0700, Christoph Hellwig wrote:
> On Tue, May 23, 2023 at 03:34:31PM +0200, Jan Kara wrote:
> > I've checked the code and AFAICT it is all indeed handled. BTW, I've now
> > remembered that GFS2 has dealt with the same deadlocks - b01b2d72da25
> > ("gfs2: Fix mmap
On Mon, May 22, 2023 at 04:19:38PM +0200, Miklos Szeredi wrote:
> > + ssize_t direct_written, ssize_t buffered_written)
> > +{
> > + struct address_space *mapping = iocb->ki_filp->f_mapping;
> > + loff_t pos = iocb->ki_pos, end;
>
> At this point pos will point after the
On Tue, May 23, 2023 at 04:30:51AM +0100, Matthew Wilcox wrote:
> AFAICT (the code went through some metamorphoses in the intervening
> twenty years), the last use of it ended up in current_may_throttle(),
> and it was removed in March 2022 by Neil Brown in commit b9b1335e6403.
> Since then, there
On Mon, May 22, 2023 at 09:01:05AM +0900, Damien Le Moal wrote:
> > - int ret;
> > + ssize_t ret;
> >
> > if (iocb->ki_flags & IOCB_NOWAIT)
> > iter.flags |= IOMAP_NOWAIT;
> >
> > while ((ret = iomap_iter(, ops)) > 0)
> > iter.processed = iomap_write_iter(,
On Mon, May 22, 2023 at 08:56:34AM +0900, Damien Le Moal wrote:
> On 5/19/23 18:35, Christoph Hellwig wrote:
> > Add a helper to invalidate page cache after a dio write.
> >
> > Signed-off-by: Christoph Hellwig
>
> Nit: kiocb_invalidate_post_dio_write() may be a better name to be explicit
>
On Wed 10-05-23 02:18:45, Kent Overstreet wrote:
> On Wed, May 10, 2023 at 03:07:37AM +0200, Jan Kara wrote:
> > On Tue 09-05-23 12:56:31, Kent Overstreet wrote:
> > > From: Kent Overstreet
> > >
> > > This is used by bcachefs to fix a page cache coherency issue with
> > > O_DIRECT writes.
> > >
On Tue, May 23, 2023 at 02:46:07PM +0200, Andreas Gruenbacher wrote:
> > void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio,
> > -unsigned int from, unsigned int len)
> > +size_t from, size_t len)
> > {
> >
On Wed, May 17, 2023 at 5:24 AM Matthew Wilcox (Oracle)
wrote:
> We may someday support folios larger than 4GB, so use a size_t for
> the byte count within a folio to prevent unpleasant truncations.
>
> Signed-off-by: Matthew Wilcox (Oracle)
> ---
> fs/gfs2/aops.c | 2 +-
> fs/gfs2/aops.h | 2
11 matches
Mail list logo
