On Sun, 2016-05-08 at 01:52 -0700, Christoph Hellwig wrote: > On Fri, May 06, 2016 at 03:53:09PM -0600, Vishal Verma wrote: > > > > From: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx> > > > > dax_clear_sectors() cannot handle poisoned blocks. These must be > > zeroed using the BIO interface instead. Convert ext2 and XFS to > > use > > only sb_issue_zerout(). > > > > Signed-off-by: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx> > > [vishal: Also remove the dax_clear_sectors function entirely] > > Signed-off-by: Vishal Verma <vishal.l.verma@xxxxxxxxx> > Just to make sure: the existing sb_issue_zerout as in 4.6-rc > is already doing the right thing for DAX? I've got a pending > patchset > for XFS that introduces another dax_clear_sectors users, but if it's > already safe to use blkdev_issue_zeroout I can switch to that and > avoid > the merge conflict. I believe so - Jan has moved all unwritten extent conversions out of DAX with his patch set, and I believe zeroing through the driver is always fine. Ross or Jan could confirm though. ��.n������g����a����&ޖ)���)��h���&������梷�����Ǟ�m������)������^�����������v���O��zf������