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From: NeilBrown <neilb@suse.de>
To: "Kwolek, Adam" <adam.kwolek@intel.com>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
	"Williams, Dan J" <dan.j.williams@intel.com>,
	"Ciechanowski, Ed" <ed.ciechanowski@intel.com>,
	"Neubauer, Wojciech" <Wojciech.Neubauer@intel.com>
Subject: Re: [PATCH 02/13] imsm: FIX: allow for container reshape any unset size value
Date: Wed, 12 Jan 2011 21:43:36 +1100	[thread overview]
Message-ID: <20110112214336.303679ac@notabene.brown> (raw)
In-Reply-To: <905EDD02F158D948B186911EB64DB3D176E1A820@irsmsx503.ger.corp.intel.com>

On Wed, 12 Jan 2011 08:32:10 +0000 "Kwolek, Adam" <adam.kwolek@intel.com>
wrote:


> This issue can be addressed in the following way:
> 
> >From ce0a720c162c425ae46684ac7866f7076e65d5e5 Mon Sep 17 00:00:00 2001
> From: Adam Kwolek <adam.kwolek@intel.com>
> Date: Wed, 12 Jan 2011 09:23:53 +0100
> Subject: [PATCH] FIX: size is passed incorrectly
> 
> reshape_super() called from reshape_container() with size set to info->component_size
> gives size in reshape_super == -2 due to unsigned signed conversion
> (info->component_size is not initializes).
> 
> As size is not changed during container reshape '-1' value is passed to indicate this.

Excellent problem description that allows me to immediately see the that the
solution is obviously correct.
Thanks.  Applied and pushed out.

NeilBrown


> 
> Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
> ---
>  Grow.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/Grow.c b/Grow.c
> index 4cbe427..466d546 100644
> --- a/Grow.c
> +++ b/Grow.c
> @@ -2120,7 +2120,7 @@ int reshape_container(char *container, int cfd, char *devname,
>  {
>  	struct mdinfo *cc = NULL;
>  
> -	if (reshape_super(st, info->component_size, info->new_level,
> +	if (reshape_super(st, -1, info->new_level,
>  			  info->new_layout, info->new_chunk,
>  			  info->array.raid_disks + info->delta_disks,
>  			  backup_file, devname, quiet))


  reply	other threads:[~2011-01-12 10:43 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-10 11:27 [PATCH 00/13] OLCE for external meta Raid5/single array Adam Kwolek
2011-01-10 11:27 ` [PATCH 01/13] Manage reshape process in manage_reshape vector Adam Kwolek
2011-01-12  3:51   ` NeilBrown
2011-01-10 11:27 ` [PATCH 02/13] imsm: FIX: allow for container reshape any unset size value Adam Kwolek
2011-01-12  3:52   ` NeilBrown
2011-01-12  8:32     ` Kwolek, Adam
2011-01-12 10:43       ` NeilBrown [this message]
2011-01-10 11:27 ` [PATCH 03/13] imsm: FIX: when monitor is active post update Adam Kwolek
2011-01-12  3:56   ` NeilBrown
2011-01-10 11:27 ` [PATCH 04/13] FIX: load anchor to get all information Adam Kwolek
2011-01-12  3:58   ` NeilBrown
2011-01-10 11:28 ` [PATCH 05/13] msm: FIX: when mdadm reloads anchor not need for local modyfication Adam Kwolek
2011-01-10 11:28 ` [PATCH 06/13] imsm: FIX: update disks status in container_contents() Adam Kwolek
2011-01-12  4:14   ` NeilBrown
2011-01-10 11:28 ` [PATCH 07/13] FIX: wrong flags are passed to function Adam Kwolek
2011-01-10 11:28 ` [PATCH 08/13] FIX/WORKAROUND: added disks are not used by reshape process /md/ Adam Kwolek
2011-01-12  4:39   ` NeilBrown
2011-01-10 11:28 ` [PATCH 09/13] Finalize reshape after adding disks to array Adam Kwolek
2011-01-12  4:52   ` NeilBrown
2011-01-10 11:28 ` [PATCH 10/13] FIX: Cannot unmount array after reshape Adam Kwolek
2011-01-12  4:53   ` NeilBrown
2011-01-12 15:12     ` Kwolek, Adam
2011-01-10 11:28 ` [PATCH 11/13] FIX/WORKAROUND: Arrays cannot be opened exclusively Adam Kwolek
2011-01-10 11:29 ` [PATCH 12/13] FIX: parity disks use for redundant levels only Adam Kwolek
2011-01-12  4:59   ` NeilBrown
2011-01-10 11:29 ` [PATCH 13/13] FIX: Fill sys_name for disk add Adam Kwolek
2011-01-12  5:02   ` NeilBrown

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