Re: iomap 5.15 branch construction ...

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On Mon, Aug 02, 2021 at 03:34:52PM -0700, Eric Biggers wrote:
> On Mon, Aug 02, 2021 at 03:11:14PM -0700, Darrick J. Wong wrote:
> > 6. Earlier, Eric Biggers had a patchset that made some iomap changes
> > ahead of porting f2fs to use directio.  I /think/ those changes were
> > dropped in the latest submission because the intended use of those
> > changes (counters of the number of pages undergoing reads or writes,
> > iirc?) has been replaced with something simpler.  IOWs, f2fs doesn't
> > need any iomap changes for 5.15, right?
> 
> Converting f2fs to use iomap for direct I/O doesn't require any iomap changes.
> You might be referring to
> https://lkml.kernel.org/r/20210604210908.2105870-7-satyat@xxxxxxxxxx
> ("iomap: support direct I/O with fscrypt using blk-crypto"), which will be
> needed to support direct I/O on encrypted files.  Direct I/O support on
> encrypted files will be a new feature, and it's being held up for other reasons.
> So there's nothing for you to do for 5.15.  (And separately, using iomap for
> direct I/O in f2fs is being held up by existing f2fs direct I/O bugs.)

Ok, thank you for the update!

--D

> 
> - Eric



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