On Fri, 2016-03-25 at 03:44 -0700, Christoph Hellwig wrote:
> On Thu, Mar 24, 2016 at 05:17:29PM -0600, Vishal Verma wrote:
> >
> > @@ -72,16 +72,7 @@ xfs_zero_extent(
> > struct xfs_mount *mp = ip->i_mount;
> > xfs_daddr_t sector = xfs_fsb_to_db(ip, start_fsb);
> > sector_t block = XFS_BB_TO_FSBT(mp, sector);
> > - ssize_t size = XFS_FSB_TO_B(mp, count_fsb);
> >
> > - if (IS_DAX(VFS_I(ip)))
> > - return
> > dax_clear_sectors(xfs_find_bdev_for_inode(VFS_I(ip)),
> > - sector, size);
> > -
> > - /*
> > - * let the block layer decide on the fastest method of
> > - * implementing the zeroing.
> > - */
> > return sb_issue_zeroout(mp->m_super, block, count_fsb,
> > GFP_NOFS);
> While not new: using sb_issue_zeroout in XFS is wrong as it doesn't
> account for the RT device. We need the xfs_find_bdev_for_inode and
> call blkdev_issue_zeroout directly with the bdev it returned.
Ok, I'll fix and send a v2. Thanks!
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