linux-kernel - Re: [PATCH v7 16/19] iomap: Add done_before argument to iomap_dio

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Date:   Thu, 9 Sep 2021 12:30:45 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Andreas Gruenbacher <agruenba@...hat.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        "Darrick J. Wong" <djwong@...nel.org>, Jan Kara <jack@...e.cz>,
        Matthew Wilcox <willy@...radead.org>, cluster-devel@...hat.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        ocfs2-devel@....oracle.com
Subject: Re: [PATCH v7 16/19] iomap: Add done_before argument to iomap_dio_rw

What about just passing done_before as an argument to
iomap_dio_complete? gfs2 would have to switch to __iomap_dio_rw +
iomap_dio_complete instead of iomap_dio_rw for that, and it obviously
won't work for async completions, but you force sync in this case
anyway, right?