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Date:   Fri, 21 Apr 2023 17:35:47 +0530
From:   Ritesh Harjani (IBM) <>
To:     Jan Kara <>
        Jan Kara <>, Christoph Hellwig <>,
        "Darrick J . Wong" <>,
        Ojaswin Mujoo <>,
        Disha Goel <>, Ted Tso <>
Subject: Re: [PATCHv6 0/9] ext2: DIO to use iomap

Jan Kara <> writes:

> Hello Ritesh,
> On Fri 21-04-23 15:16:10, Ritesh Harjani (IBM) wrote:
>> Hello All,
>> Please find the series which rewrites ext2 direct-io path to use modern
>> iomap interface.
> The patches now all look good to me. I'd like to discuss a bit how to merge

Thanks Jan,

> them. The series has an ext4 cleanup (patch 3) and three iomap patches

Also Patch-3 is on top of ext4 journalled data patch series of yours,
otheriwse we might see a minor merge conflict.

> (patches 6, 8 and 9). Darrick, do you want to take the iomap patches through
> your tree?
> The only dependency is that patch 7 for ext2 is dependent on definitions
> from patch 6

That's right. Patch 6 defines TRACE_IOCB_STRINGS definition which both
ext2 and iomap tracepoints depend upon.

> so I'd have to pull your branch into my tree. Or I can take
> all the iomap patches through my tree but for that it would be nice to have
> Darrick's acks.
> I can take the ext4 patch through my tree unless Ted objects.

Sure, we might have to merge with Ted's ext4 tree as well to avoid the
merge conflict I mentioned above.

> I guess I won't rush this for the coming merge window (unless Linus decides
> to do rc8) but once we settle on the merge strategy I'll push out some


> branch on which we can base further ext2 iomap conversion work.

Sure, will this branch also gets reflected in linux-next for wider testing?


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