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* [PATCH] imsm: incorrect incremental behavior because of wrong index used
@ 2011-11-23 16:59 Przemyslaw Czarnowski
  2011-11-23 18:56 ` Williams, Dan J
  0 siblings, 1 reply; 3+ messages in thread
From: Przemyslaw Czarnowski @ 2011-11-23 16:59 UTC (permalink / raw)
  To: neilb; +Cc: linux-raid, dan.j.williams, marcin.labun, ed.ciechanowski

Incremental in some cases prematurely assembles degraded arrays due to
wrong index used in code which counts missing disks

Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
---
 super-intel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/super-intel.c b/super-intel.c
index 360c4cc..a0672bf 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -2539,7 +2539,7 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
 		 * (catches single-degraded vs double-degraded)
 		 */
 		for (j = 0; j < map->num_members; j++) {
-			__u32 ord = get_imsm_ord_tbl_ent(dev, i, 0);
+			__u32 ord = get_imsm_ord_tbl_ent(dev, j, 0);
 			__u32 idx = ord_to_idx(ord);
 
 			if (!(ord & IMSM_ORD_REBUILD) &&


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] imsm: incorrect incremental behavior because of wrong index used
  2011-11-23 16:59 [PATCH] imsm: incorrect incremental behavior because of wrong index used Przemyslaw Czarnowski
@ 2011-11-23 18:56 ` Williams, Dan J
  2011-11-24  5:23   ` NeilBrown
  0 siblings, 1 reply; 3+ messages in thread
From: Williams, Dan J @ 2011-11-23 18:56 UTC (permalink / raw)
  To: Przemyslaw Czarnowski
  Cc: neilb, linux-raid, marcin.labun, ed.ciechanowski, Doug Ledford

On Wed, Nov 23, 2011 at 8:59 AM, Przemyslaw Czarnowski
<przemyslaw.hawrylewicz.czarnowski@intel.com> wrote:
> Incremental in some cases prematurely assembles degraded arrays due to
> wrong index used in code which counts missing disks
>
> Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>

Reviewed-by: Dan Williams <dan.j.williams@intel.com>

> ---
>  super-intel.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/super-intel.c b/super-intel.c
> index 360c4cc..a0672bf 100644
> --- a/super-intel.c
> +++ b/super-intel.c
> @@ -2539,7 +2539,7 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
>                 * (catches single-degraded vs double-degraded)
>                 */
>                for (j = 0; j < map->num_members; j++) {
> -                       __u32 ord = get_imsm_ord_tbl_ent(dev, i, 0);
> +                       __u32 ord = get_imsm_ord_tbl_ent(dev, j, 0);
>                        __u32 idx = ord_to_idx(ord);
>
>                        if (!(ord & IMSM_ORD_REBUILD) &&
>
>
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] imsm: incorrect incremental behavior because of wrong index used
  2011-11-23 18:56 ` Williams, Dan J
@ 2011-11-24  5:23   ` NeilBrown
  0 siblings, 0 replies; 3+ messages in thread
From: NeilBrown @ 2011-11-24  5:23 UTC (permalink / raw)
  To: Williams, Dan J
  Cc: Przemyslaw Czarnowski, linux-raid, marcin.labun, ed.ciechanowski,
	Doug Ledford

[-- Attachment #1: Type: text/plain, Size: 1306 bytes --]

On Wed, 23 Nov 2011 10:56:21 -0800 "Williams, Dan J"
<dan.j.williams@intel.com> wrote:

> On Wed, Nov 23, 2011 at 8:59 AM, Przemyslaw Czarnowski
> <przemyslaw.hawrylewicz.czarnowski@intel.com> wrote:
> > Incremental in some cases prematurely assembles degraded arrays due to
> > wrong index used in code which counts missing disks
> >
> > Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
> 
> Reviewed-by: Dan Williams <dan.j.williams@intel.com>
> 
> > ---
> >  super-intel.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/super-intel.c b/super-intel.c
> > index 360c4cc..a0672bf 100644
> > --- a/super-intel.c
> > +++ b/super-intel.c
> > @@ -2539,7 +2539,7 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
> >                 * (catches single-degraded vs double-degraded)
> >                 */
> >                for (j = 0; j < map->num_members; j++) {
> > -                       __u32 ord = get_imsm_ord_tbl_ent(dev, i, 0);
> > +                       __u32 ord = get_imsm_ord_tbl_ent(dev, j, 0);
> >                        __u32 idx = ord_to_idx(ord);
> >
> >                        if (!(ord & IMSM_ORD_REBUILD) &&
> >
> >


Applied, thanks.

NeilBrown


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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-11-24  5:23 UTC | newest]

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2011-11-23 16:59 [PATCH] imsm: incorrect incremental behavior because of wrong index used Przemyslaw Czarnowski
2011-11-23 18:56 ` Williams, Dan J
2011-11-24  5:23   ` NeilBrown

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