linux-kernel - Re: [PATCH v5 5/5] fs: iomap dio set bio prio from kiocb prio

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Message-ID: <x49wovwu3ma.fsf@segfault.boston.devel.redhat.com>
Date:   Mon, 21 May 2018 16:59:25 -0400
From:   Jeff Moyer <jmoyer@...hat.com>
To:     adam.manzanares@....com
Cc:     viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
        axboe@...nel.dk, bcrl@...ck.org, tglx@...utronix.de,
        mingo@...nel.org, pombredanne@...b.com,
        kstewart@...uxfoundation.org, gregkh@...uxfoundation.org,
        bigeasy@...utronix.de, jack@...e.cz, darrick.wong@...cle.com,
        rgoldwyn@...e.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-aio@...ck.org,
        linux-api@...r.kernel.org, hch@...radead.org
Subject: Re: [PATCH v5 5/5] fs: iomap dio set bio prio from kiocb prio

adam.manzanares@....com writes:

> From: Adam Manzanares <adam.manzanares@....com>
>
> Now that kiocb has an ioprio field copy this over to the bio when it is
> created from the kiocb during direct IO.
>
> Signed-off-by: Adam Manzanares <adam.manzanares@....com>

Reviewed-by: Jeff Moyer <jmoyer@...hat.com>


> ---
>  fs/iomap.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/fs/iomap.c b/fs/iomap.c
> index afd163586aa0..65aae194aeca 100644
> --- a/fs/iomap.c
> +++ b/fs/iomap.c
> @@ -919,6 +919,7 @@ iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length,
>  		bio->bi_iter.bi_sector =
>  			(iomap->addr + pos - iomap->offset) >> 9;
>  		bio->bi_write_hint = dio->iocb->ki_hint;
> +		bio->bi_ioprio = dio->iocb->ki_ioprio;
>  		bio->bi_private = dio;
>  		bio->bi_end_io = iomap_dio_bio_end_io;