linux-kernel - Re: [PATCH 6/6] xfs: add support for buffered writeback stream ID

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Message-ID: <20150325024154.GE31342@dastard>
Date:	Wed, 25 Mar 2015 13:41:54 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Jens Axboe <axboe@...com>
Cc:	axboe@...nel.dk, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, ming.l@....samsung.com
Subject: Re: [PATCH 6/6] xfs: add support for buffered writeback stream ID

On Tue, Mar 24, 2015 at 09:27:03AM -0600, Jens Axboe wrote:
> Signed-off-by: Jens Axboe <axboe@...com>
> ---
>  fs/xfs/xfs_aops.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> index 3a9b7a1b8704..2b00a57732e3 100644
> --- a/fs/xfs/xfs_aops.c
> +++ b/fs/xfs/xfs_aops.c
> @@ -377,6 +377,7 @@ xfs_submit_ioend_bio(
>  	atomic_inc(&ioend->io_remaining);
>  	bio->bi_private = ioend;
>  	bio->bi_end_io = xfs_end_bio;
> +	bio_set_streamid(bio, wbc->streamid);
>  	submit_bio(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE, bio);

Like I said, this is wrong.

+	bio_set_streamid(bio, ioend->io_inode->i_streamid);

is actually what it should be.

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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