On Wed, Feb 12, 2020 at 09:10:28AM +1100, Stephen Rothwell wrote: > Hi all, > > After merging the btrfs tree, today's linux-next build (powerpc > ppc64_defconfig) produced this warning: > > fs/btrfs/volumes.c: In function 'btrfs_scratch_superblocks': > fs/btrfs/volumes.c:7338:3: warning: ignoring return value of 'write_one_page', declared with attribute warn_unused_result [-Wunused-result] > 7338 | write_one_page(page); > | ^~~~~~~~~~~~~~~~~~~~ > > Introduced by commit > > d19ec014a46b ("btrfs: use the page-cache for super block reading") Known and fix is in the patchset revision that will be in the next for-next branch update. Thanks.