linux-ext4 - Re: [RFCv4 9/9] iomap: Add couple of DIO tracepoints

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Message-Id: <873550jb4e.fsf@doe.com>
Date:   Sun, 16 Apr 2023 17:24:25 +0530
From:   Ritesh Harjani (IBM) <ritesh.list@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@...radead.org>,
        "Darrick J . Wong" <djwong@...nel.org>,
        Ojaswin Mujoo <ojaswin@...ux.ibm.com>,
        Disha Goel <disgoel@...ux.ibm.com>
Subject: Re: [RFCv4 9/9] iomap: Add couple of DIO tracepoints

Christoph Hellwig <hch@...radead.org> writes:

> On Sat, Apr 15, 2023 at 01:14:30PM +0530, Ritesh Harjani (IBM) wrote:
>> Add iomap_dio_rw_queued and iomap_dio_complete tracepoint.
>> iomap_dio_rw_queued is mostly only to know that the request was queued
>> and -EIOCBQUEUED was returned. It is mostly iomap_dio_complete which has
>> all the details.
>
> Everything that is here looks good to me.  But it seems like we lost
> the _begin tracepoint?

Sorry, my bad, I might have only partially understood your review
comment then. Will quickly send the next rev.
So in the next rev. will only just add a _begin tracepoint in
__iomap_dio_rw() function. Rest everything should be as is.

Right?