linux-kernel - Re: [PATCH v3] block: trace completion of all bios.

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Message-ID: <20170327090308.GA11757@infradead.org>
Date:   Mon, 27 Mar 2017 02:03:08 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     NeilBrown <neilb@...e.com>
Cc:     Ming Lei <tom.leiming@...il.com>,
        Christoph Hellwig <hch@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-raid@...r.kernel.org, dm-devel@...hat.com,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>,
        Shaohua Li <shli@...nel.org>, linux-kernel@...r.kernel.org,
        "Martin K . Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH v3] block: trace completion of all bios.

I don't really like the flag at all.  I'd much prefer a __bio_endio
with a 'bool trace' flag.  Also please remove the manual tracing in
dm.ċ.  Once that is done I suspect we can also remove the
block_bio_complete export.