On Thu, Oct 14, 2021 at 10:50:00AM -0700, Dan Williams wrote:
> The other blocker was enabling mounting dax filesystems on a
> dax-device rather than a block device. I'm actively refactoring the
> nvdimm subsystem side of that equation, but could use help with the
> conversion of the xfs mount path
On Thu, Oct 14, 2021 at 10:38 AM Darrick J. Wong wrote:
>
> On Tue, Sep 28, 2021 at 02:23:10PM +0800, Shiyang Ruan wrote:
> > In fsdax mode, WRITE and ZERO on a shared extent need CoW performed.
> > After that, new allocated extents needs to be remapped to the file.
> > So, add a CoW identificatio
On Tue, Sep 28, 2021 at 02:23:10PM +0800, Shiyang Ruan wrote:
> In fsdax mode, WRITE and ZERO on a shared extent need CoW performed.
> After that, new allocated extents needs to be remapped to the file.
> So, add a CoW identification in ->iomap_begin(), and implement
> ->iomap_end() to do the remap
In fsdax mode, WRITE and ZERO on a shared extent need CoW performed.
After that, new allocated extents needs to be remapped to the file.
So, add a CoW identification in ->iomap_begin(), and implement
->iomap_end() to do the remapping work.
Signed-off-by: Shiyang Ruan
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fs/xfs/xfs_bmap_util.c |
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