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SubjectRe: [PATCH] fs: iomap: Change return type to vm_fault_t
On 3 July 2018 at 23:39, Darrick J. Wong <darrick.wong@oracle.com> wrote:
> 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?

Oops, a reply gone wrong -- I was meaning to reply to Souptick
Joarder's gfs2 change which I've added to the gfs2 for-next branch.
Not the iomap change. Sorry for the confusion.

> [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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