* md:Fix a bug in function badblocks_show().
@ 2012-03-08 6:46 majianpeng
2012-03-14 1:32 ` NeilBrown
0 siblings, 1 reply; 4+ messages in thread
From: majianpeng @ 2012-03-08 6:46 UTC (permalink / raw)
To: Neil Brown; +Cc: linux-raid
From 58d2ba381eee4b732fca99a7311b1dcf589f57c3 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@gmail.com>
Date: Thu, 8 Mar 2012 14:37:00 +0800
Subject: [PATCH] md:Fix a bug in function badblocks_show().
If unack==0, it will show all bad blocks include unacknowledged-bad-blocks.
Signed-off-by: majianpeng <majianpeng@gmail.com>
---
drivers/md/md.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index ce88755..3f1b6e5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8091,7 +8091,7 @@ retry:
int ack = BB_ACK(p[i]);
i++;
- if (unack && ack)
+ if ((unack ^ ack) == 0)
continue;
len += snprintf(page+len, PAGE_SIZE-len, "%llu %u\n",
--
1.7.5.4
--------------
majianpeng
2012-03-08
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: md:Fix a bug in function badblocks_show().
2012-03-08 6:46 md:Fix a bug in function badblocks_show() majianpeng
@ 2012-03-14 1:32 ` NeilBrown
2012-06-12 9:04 ` kedacomkernel
0 siblings, 1 reply; 4+ messages in thread
From: NeilBrown @ 2012-03-14 1:32 UTC (permalink / raw)
To: majianpeng; +Cc: linux-raid
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On Thu, 8 Mar 2012 14:46:52 +0800 "majianpeng" <majianpeng@gmail.com> wrote:
> >From 58d2ba381eee4b732fca99a7311b1dcf589f57c3 Mon Sep 17 00:00:00 2001
> From: majianpeng <majianpeng@gmail.com>
> Date: Thu, 8 Mar 2012 14:37:00 +0800
> Subject: [PATCH] md:Fix a bug in function badblocks_show().
>
> If unack==0, it will show all bad blocks include unacknowledged-bad-blocks.
Correct. It is meant to.
The "bad_blocks" file shows all bad blocks.
The "unacknowledged_bad_blocks" file show all unacknowledged bad blocks.
Thanks,
NeilBrown
>
> Signed-off-by: majianpeng <majianpeng@gmail.com>
> ---
> drivers/md/md.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index ce88755..3f1b6e5 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -8091,7 +8091,7 @@ retry:
> int ack = BB_ACK(p[i]);
> i++;
>
> - if (unack && ack)
> + if ((unack ^ ack) == 0)
> continue;
>
> len += snprintf(page+len, PAGE_SIZE-len, "%llu %u\n",
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Re: md:Fix a bug in function badblocks_show().
2012-03-14 1:32 ` NeilBrown
@ 2012-06-12 9:04 ` kedacomkernel
2012-06-27 3:01 ` NeilBrown
0 siblings, 1 reply; 4+ messages in thread
From: kedacomkernel @ 2012-06-12 9:04 UTC (permalink / raw)
To: Neil Brown, majianpeng; +Cc: linux-raid
On 2012-03-14 09:32 NeilBrown <neilb@suse.de> Wrote:
>On Thu, 8 Mar 2012 14:46:52 +0800 "majianpeng" <majianpeng@gmail.com> wrote:
>
>> >From 58d2ba381eee4b732fca99a7311b1dcf589f57c3 Mon Sep 17 00:00:00 2001
>> From: majianpeng <majianpeng@gmail.com>
>> Date: Thu, 8 Mar 2012 14:37:00 +0800
>> Subject: [PATCH] md:Fix a bug in function badblocks_show().
>>
>> If unack==0, it will show all bad blocks include unacknowledged-bad-blocks.
>
>Correct. It is meant to.
>The "bad_blocks" file shows all bad blocks.
>The "unacknowledged_bad_blocks" file show all unacknowledged bad blocks.
>
>Thanks,
>NeilBrown
>
>
>>
>> Signed-off-by: majianpeng <majianpeng@gmail.com>
>> ---
>> drivers/md/md.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/md/md.c b/drivers/md/md.c
>> index ce88755..3f1b6e5 100644
>> --- a/drivers/md/md.c
>> +++ b/drivers/md/md.c
>> @@ -8091,7 +8091,7 @@ retry:
>> int ack = BB_ACK(p[i]);
>> i++;
>>
>> - if (unack && ack)
>> + if ((unack ^ ack) == 0)
>> continue;
>>
>> len += snprintf(page+len, PAGE_SIZE-len, "%llu %u\n",
>
>
Hi Neil:
I found this bug in kernel-3.5-rc2.I deem you may lost to apply this patch.
Thanks!
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: md:Fix a bug in function badblocks_show().
2012-06-12 9:04 ` kedacomkernel
@ 2012-06-27 3:01 ` NeilBrown
0 siblings, 0 replies; 4+ messages in thread
From: NeilBrown @ 2012-06-27 3:01 UTC (permalink / raw)
To: kedacomkernel; +Cc: majianpeng, linux-raid
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On Tue, 12 Jun 2012 17:04:00 +0800 kedacomkernel <kedacomkernel@gmail.com>
wrote:
> On 2012-03-14 09:32 NeilBrown <neilb@suse.de> Wrote:
> >On Thu, 8 Mar 2012 14:46:52 +0800 "majianpeng" <majianpeng@gmail.com> wrote:
> >
> >> >From 58d2ba381eee4b732fca99a7311b1dcf589f57c3 Mon Sep 17 00:00:00 2001
> >> From: majianpeng <majianpeng@gmail.com>
> >> Date: Thu, 8 Mar 2012 14:37:00 +0800
> >> Subject: [PATCH] md:Fix a bug in function badblocks_show().
> >>
> >> If unack==0, it will show all bad blocks include unacknowledged-bad-blocks.
> >
> >Correct. It is meant to.
> >The "bad_blocks" file shows all bad blocks.
> >The "unacknowledged_bad_blocks" file show all unacknowledged bad blocks.
> >
> >Thanks,
> >NeilBrown
> >
> >
> >>
> >> Signed-off-by: majianpeng <majianpeng@gmail.com>
> >> ---
> >> drivers/md/md.c | 2 +-
> >> 1 files changed, 1 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/drivers/md/md.c b/drivers/md/md.c
> >> index ce88755..3f1b6e5 100644
> >> --- a/drivers/md/md.c
> >> +++ b/drivers/md/md.c
> >> @@ -8091,7 +8091,7 @@ retry:
> >> int ack = BB_ACK(p[i]);
> >> i++;
> >>
> >> - if (unack && ack)
> >> + if ((unack ^ ack) == 0)
> >> continue;
> >>
> >> len += snprintf(page+len, PAGE_SIZE-len, "%llu %u\n",
> >
> >
> Hi Neil:
> I found this bug in kernel-3.5-rc2.I deem you may lost to apply this patch.
No, I didn't lose it. I deliberately chose not to apply it.
As I said, the current behaviour is correct. Please read the message that you
replied to.
NeilBrown
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^ permalink raw reply [flat|nested] 4+ messages in thread
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Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2012-03-08 6:46 md:Fix a bug in function badblocks_show() majianpeng
2012-03-14 1:32 ` NeilBrown
2012-06-12 9:04 ` kedacomkernel
2012-06-27 3:01 ` NeilBrown
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