From: Jens Axboe <axboe@kernel.dk>
To: Arne Jansen <lists@die-jansens.de>
Cc: linux-scsi@vger.kernel.org
Subject: Re: reusing bios
Date: Sat, 12 Mar 2011 11:08:45 +0100 [thread overview]
Message-ID: <4D7B462D.5000305@kernel.dk> (raw)
In-Reply-To: <4D7B3CF0.5040102@die-jansens.de>
On 2011-03-12 10:29, Arne Jansen wrote:
> Hi,
>
> I'm trying to re-use struct bio after completion, including the
> allocated pages. Normally I re-initialize the fields bi_sector,
> bi_size, bi_next, bi_flags, bi_comp_cpu and bi_bdev.
> This works perfectly well, as long as no media errors are encountered.
> After a media error, all subsequent reads with this bio fail. Are
> there any more fields that need to get re-initialized? Or, better,
> is there a function to reset the bio?
bio_init()? Sounds like you are not setting BIO_UPTODATE when resetting
it.
--
Jens Axboe
next prev parent reply other threads:[~2011-03-12 10:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-12 9:29 reusing bios Arne Jansen
2011-03-12 10:08 ` Jens Axboe [this message]
2011-03-12 13:33 ` Arne Jansen
2011-03-12 13:48 ` Jens Axboe
2011-03-12 13:58 ` Arne Jansen
2011-03-14 22:10 ` Dan Williams
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