From: NeilBrown <neilb@suse.de>
To: Anuj Goel <talk2anuj@gmail.com>
Cc: Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: doubt in chunk_aligned_read()
Date: Thu, 5 Apr 2012 11:38:00 +1000 [thread overview]
Message-ID: <20120405113800.4a1da21e@notabene.brown> (raw)
In-Reply-To: <CANSbrrp_LByxog3q265ruHxJxxJRhE2SfvPgzx8EK4FyL-7KOg@mail.gmail.com>
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On Wed, 4 Apr 2012 21:25:53 -0400 Anuj Goel <talk2anuj@gmail.com> wrote:
> HI Guys,
>
> Why is the below call needed in the function chunk_aligned_read()
>
> align_bi = bio_clone_mddev(raid_bio, GFP_NOIO, mddev);
>
> Why do we need to create a clone of the bio passed to
> chunk_aligned_read(mddev_t *mddev, struct bio * raid_bio) ??
Think about what happens if the read fails.
NeilBrown
>
> --
> Best Regards,
> Anuj Goel
> Experimental Computer Science Lab
> Stony Brook University.
> Cell: +1-801-209-5873
> --
> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
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> More majordomo info at http://vger.kernel.org/majordomo-info.html
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next prev parent reply other threads:[~2012-04-05 1:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-05 1:25 doubt in chunk_aligned_read() Anuj Goel
2012-04-05 1:38 ` NeilBrown [this message]
2012-04-05 1:56 ` Anuj Goel
2012-04-08 19:47 ` Anuj Goel
2012-04-08 23:29 ` NeilBrown
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