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SubjectRe: [PATCH] fs: iomap: Change return type to vm_fault_t
On Mon, Jul 02, 2018 at 07:52:41PM +0200, Andreas Gruenbacher wrote:
> On 2 July 2018 at 17:43, Souptick Joarder <jrdr.linux@gmail.com> wrote:
> > Return type has been changed to vm_fault_t type for
> > iomap_page_mkwrite().
> >
> > see commit 1c8f422059ae ("mm: change return type to
> > vm_fault_t") for reference.
> >
> > Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
> > Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>

I don't recall Christoph [now cc'd] rescinding his NAK of the previous
version of this patch[1]. Has he changed his mind since May?

[1] https://spinics.net/lists/linux-fsdevel/msg126032.html

Now granted I didn't have a problem with the code (and applied the xfs
version to 4.18 after monitoring to satisfy myself that nothing
particularly weird happened during 4.17) but seeing as most of the iomap
changes have gone through hch's review and landed via the xfs tree...

> > ---
> > fs/iomap.c | 2 +-
> > include/linux/iomap.h | 4 +++-
> > 2 files changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/fs/iomap.c b/fs/iomap.c
> > index afd1635..58477ee 100644
> > --- a/fs/iomap.c
> > +++ b/fs/iomap.c
> > @@ -443,7 +443,7 @@ static int iomap_dax_zero(loff_t pos, unsigned offset, unsigned bytes,
> > return length;
> > }
> >
> > -int iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops)
> > +vm_fault_t iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops)
> > {
> > struct page *page = vmf->page;
> > struct inode *inode = file_inode(vmf->vma->vm_file);
> > diff --git a/include/linux/iomap.h b/include/linux/iomap.h
> > index 19a07de..666b717 100644
> > --- a/include/linux/iomap.h
> > +++ b/include/linux/iomap.h
> > @@ -3,6 +3,7 @@
> > #define LINUX_IOMAP_H 1
> >
> > #include <linux/types.h>
> > +#include <linux/mm_types.h>
> >
> > struct fiemap_extent_info;
> > struct inode;
> > @@ -88,7 +89,8 @@ int iomap_zero_range(struct inode *inode, loff_t pos, loff_t len,
> > bool *did_zero, const struct iomap_ops *ops);
> > int iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero,
> > const struct iomap_ops *ops);
> > -int iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops);
> > +vm_fault_t iomap_page_mkwrite(struct vm_fault *vmf,
> > + const struct iomap_ops *ops);
> > int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
> > loff_t start, loff_t len, const struct iomap_ops *ops);
> > loff_t iomap_seek_hole(struct inode *inode, loff_t offset,
> > --
> > 1.9.1
> >
>
> Added to for-next, thanks.

...this part caused me to sit up and say "Hey what?" :)

Which tree is this? gfs2?

--D

>
> Andreas

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