From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: doubt in chunk_aligned_read()
Date: Thu, 5 Apr 2012 11:38:00 +1000
Message-ID: <20120405113800.4a1da21e@notabene.brown>
References: <CANSbrrp_LByxog3q265ruHxJxxJRhE2SfvPgzx8EK4FyL-7KOg@mail.gmail.com>
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To: Anuj Goel <talk2anuj@gmail.com>
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On Wed, 4 Apr 2012 21:25:53 -0400 Anuj Goel <talk2anuj@gmail.com> wrote:

> HI Guys,
>=20
> Why is the below call needed in the function  chunk_aligned_read()
>=20
> 	align_bi =3D bio_clone_mddev(raid_bio, GFP_NOIO, mddev);
>=20
> 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


>=20
> --
> Best Regards,
> Anuj Goel
> Experimental Computer Science Lab
> Stony Brook University.
> Cell: +1-801-209-5873
> --
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