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

Steve French smfrench at gmail.com
Thu Jul 11 15:16:03 UTC 2019

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



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