пт, 15 мар. 2019 г. в 22:39, Steve French <smfrench@xxxxxxxxx>: > > updated and tentatively placed in for-next - running the automated tests now > > On Fri, Mar 15, 2019 at 11:12 PM XiaoLi Feng <xifeng@xxxxxxxxxx> wrote: > > > > From: Xiaoli Feng <fengxiaoli0714@xxxxxxxxx> > > > > dedupe_file_range operations is combiled into remap_file_range. > > But it's always skipped for dedupe operations in function > > cifs_remap_file_range. > > > > Example to test: > > Before this patch: > > # dd if=/dev/zero of=cifs/file bs=1M count=1 > > # xfs_io -c "dedupe cifs/file 4k 64k 4k" cifs/file > > XFS_IOC_FILE_EXTENT_SAME: Invalid argument > > > > After this patch: > > # dd if=/dev/zero of=cifs/file bs=1M count=1 > > # xfs_io -c "dedupe cifs/file 4k 64k 4k" cifs/file > > XFS_IOC_FILE_EXTENT_SAME: Operation not supported > > > > Influence for xfstests: > > generic/091 > > generic/112 > > generic/127 > > generic/263 > > These tests report this error "do_copy_range:: Invalid > > argument" instead of "FIDEDUPERANGE: Invalid argument". > > Because there are still two bugs cause these test failed. > > https://bugzilla.kernel.org/show_bug.cgi?id=202935 > > https://bugzilla.kernel.org/show_bug.cgi?id=202785 Hi Xiaoli, About https://bugzilla.kernel.org/show_bug.cgi?id=202785: which kernel version did you use for testing? There is a fix merged recently that fixes a similar problem: https://patchwork.ozlabs.org/patch/1052067/. -- Best regards, Pavel Shilovsky