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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Peter Lieven <pl@kamp.de>
Cc: kwolf@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org,
	stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCHv3 1.8 7/9] qemu-img: round down request length to an aligned sector
Date: Wed, 4 Dec 2013 16:49:04 +0100	[thread overview]
Message-ID: <20131204154904.GD27759@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1385546829-3839-8-git-send-email-pl@kamp.de>

On Wed, Nov 27, 2013 at 11:07:07AM +0100, Peter Lieven wrote:
> @@ -1397,19 +1396,21 @@ static int img_convert(int argc, char **argv)
>          }
>      }
>  
> +    cluster_sectors = 0;
> +    ret = bdrv_get_info(out_bs, &bdi);
> +    if (ret < 0 && compress) {
> +        error_report("could not get block driver info");
> +        goto out;
> +    } else {
> +        cluster_sectors = bdi.cluster_size / BDRV_SECTOR_SIZE;
> +    }

Why do we only report error if 'compress' is set?  cluster_sectors must
be valid and we cannot guarantee that if bdrv_get_info() failed.

  reply	other threads:[~2013-12-04 15:49 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-27 10:07 [Qemu-devel] [PATCHv3 1.8 0/9] qemu-img convert optimizations Peter Lieven
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 1/9] qemu-img: add support for skipping zeroes in input during convert Peter Lieven
2013-11-27 10:17   ` Paolo Bonzini
2013-12-04 16:46   ` Stefan Hajnoczi
2013-12-04 16:51     ` Peter Lieven
2013-12-05 10:30       ` Stefan Hajnoczi
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 2/9] qemu-img: fix usage instruction for qemu-img convert Peter Lieven
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 3/9] block/iscsi: set bdi->cluster_size Peter Lieven
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 4/9] block: add opt_transfer_length to BlockLimits Peter Lieven
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 5/9] block/iscsi: set bs->bl.opt_transfer_length Peter Lieven
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 6/9] qemu-img: dynamically adjust iobuffer size during convert Peter Lieven
2013-12-05 13:30   ` Eric Blake
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 7/9] qemu-img: round down request length to an aligned sector Peter Lieven
2013-12-04 15:49   ` Stefan Hajnoczi [this message]
2013-12-04 15:56     ` Peter Lieven
2013-12-05 10:33       ` Stefan Hajnoczi
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 8/9] qemu-img: increase min_sparse to 128 sectors (64kb) Peter Lieven
2013-12-04 16:43   ` Stefan Hajnoczi
2013-12-04 16:46     ` Peter Lieven
2013-12-05  2:12       ` Eric Blake
2013-12-05  4:55         ` Peter Lieven
2013-12-05 10:35           ` Stefan Hajnoczi
2013-11-27 10:07 ` [Qemu-devel] [PATCHv3 1.8 9/9] qemu-img: decrease progress update interval on convert Peter Lieven
2013-12-05 12:15 ` [Qemu-devel] [PATCHv3 1.8 0/9] qemu-img convert optimizations Stefan Hajnoczi
2013-12-05 14:55   ` Peter Lieven

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