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Date:   Wed, 12 Apr 2023 19:40:02 +0530
From:   Ritesh Harjani (IBM) <>
To:     Jan Kara <>
        Jan Kara <>, Christoph Hellwig <>,
        "Darrick J . Wong" <>,
        Ojaswin Mujoo <>
Subject: Re: [RFCv2 0/8] ext2: DIO to use iomap

Jan Kara <> writes:

> Hi Ritesh!
> On Tue 11-04-23 10:51:48, Ritesh Harjani (IBM) wrote:
>> Please find the series which moves ext2 direct-io to use modern iomap interface.
>> Here are some more details -
>> 1. Patch-1: Fixes a kernel bug_on problem with ext2 dax code (found during code
>>    review and testing).
>> 2. Patch-2: Adds a __generic_file_fsync_nolock implementation as we had
>>    discussed.
>> 3. Patch-3 & Patch-4: Moves ext4 nojournal and ext2 to use _nolock method.
>> 4. Patch-5: This is the main patch which moves ext2 direct-io to use iomap.
>>    (more details can be found in the patch)
>> 5. Patch-6: Kills IOMAP_DIO_NOSYNC flag as it is not in use by any filesystem.
>> 6. Patch-7: adds IOCB_STRINGS macro for use in trace events for better trace
>>    output of iocb flags.
>> 7. Patch-8: Add ext2 trace point for DIO.
>> Testing:
>> =========
>> This passes ext2 "auto" group testing for fstests. There were no new failures
>> with this patches.
> I went through the patches and I have no further comments besides what has
> been already said. So feel free to update patches based on other feedback,
> I'll do the last round of review and can queue the patches to my tree.

Sure, thanks Jan for going over the patches.
I will send the next rev soon addressing review comments along with some
other minor changes.


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