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SubjectRe: [PATCH v5 3/5] dax: use sb_issue_zerout instead of calling dax_clear_sectors
On Fri, May 06, 2016 at 03:53:09PM -0600, Vishal Verma wrote:
> From: Matthew Wilcox <>
> 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 <>
> [vishal: Also remove the dax_clear_sectors function entirely]
> Signed-off-by: Vishal Verma <>

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.

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