On Fri, 24 Mar 2023 10:28:00 +0000 Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx> wrote:
> XFS allows CoW on non-shared extents to combat fragmentation[1]. The
> old non-shared extent could be mwrited before, its dax entry is marked
> dirty. To be able to delete this entry, clear its dirty mark before
> invalidate_inode_pages2_range().
What are the user-visible runtime effects of this flaw?
Are we able to identify a Fixes: target for this? Perhaps
f80e1668888f3 ("fsdax: invalidate pages when CoW")?
