[SMB3][PATCH] fix copy_file_range when copying beyond end of source file

[Steve French]

I noticed that the copy_file_range patches were merged (which is good)
- see below.

Anything else to merge for the changes to cifs.ko that we discussed
earlier.  I wasn't sure about the "SMB3: fix copy file when beyond
size of source" patch - it may be redundant.  I will need to check
with current mainline.  Anything else needed for the enabling of
copy_file_range cross mount etc.

commit 40f06c799539739a08a56be8a096f56aeed05731
Merge: a47f5c56b2eb fe0da9c09b2d
Author: Linus Torvalds <torvalds at linux-foundation.org>
Date:   Wed Jul 10 20:32:37 2019 -0700

    Merge tag 'copy-file-range-fixes-1' of
git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

    Pull copy_file_range updates from Darrick Wong:





On Thu, Jul 11, 2019 at 10:16 AM Steve French <smfrench at gmail.com> wrote:
>
> I noticed that the copy_file_range patches were merged (which is good)
>
> On Wed, Jun 19, 2019 at 8:44 PM Steve French <smfrench at gmail.com> wrote:
> >
> > Patch attached fixes the case where copy_file_range over an SMB3 mount
> > tries to go beyond the end of file of the source file.  This fixes
> > xfstests generic/430 and generic/431
> >
> > Amir's patches had added a similar change in the VFS layer, but
> > presumably harmless to have the check in cifs.ko as well to ensure
> > that we don't try to copy beyond end of the source file (otherwise
> > SMB3 servers will return an error on copychunk rather than doing the
> > partial copy (up to end of the source file) that copy_file_range
> > expects).
> >
> >
> >
> > --
> > Thanks,
> >
> > Steve
>
>
>
> --
> Thanks,
>
> Steve



-- 
Thanks,

Steve