Messages in this thread | | | Subject | Re: [PATCH] mm: remove extra ZONE_DEVICE struct page refcount | From | Ralph Campbell <> | Date | Wed, 16 Sep 2020 17:35:48 -0700 |
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On 9/15/20 11:10 PM, Christoph Hellwig wrote: > On Mon, Sep 14, 2020 at 04:10:38PM -0700, Dan Williams wrote: >> You also need to fix up ext4_break_layouts() and >> xfs_break_dax_layouts() to expect ->_refcount is 0 instead of 1. This >> also needs some fstests exposure. > > While we're at it, can we add a wait_fsdax_unref helper macro that hides > the _refcount access from the file systems?
Sure. I'll add a separate patch for it in v2.
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