* [PATCH] badblocks: badblocks_set/clear update unacked_exist
@ 2016-10-20 21:40 ` Shaohua Li
0 siblings, 0 replies; 4+ messages in thread
From: Shaohua Li @ 2016-10-20 21:40 UTC (permalink / raw)
To: linux-raid, linux-block; +Cc: tomasz.majchrzak
When bandblocks_set acknowledges a range or badblocks_clear a range,
it's possible all badblocks are acknowledged. We should update
unacked_exist if this occurs.
Signed-off-by: Shaohua Li <shli@fb.com>
---
block/badblocks.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/block/badblocks.c b/block/badblocks.c
index 7be53cb..139115d2 100644
--- a/block/badblocks.c
+++ b/block/badblocks.c
@@ -133,6 +133,26 @@ int badblocks_check(struct badblocks *bb, sector_t s, int sectors,
}
EXPORT_SYMBOL_GPL(badblocks_check);
+static void badblocks_update_acked(struct badblocks *bb)
+{
+ u64 *p = bb->page;
+ int i;
+ bool unacked = false;
+
+ if (!bb->unacked_exist)
+ return;
+
+ for (i = 0; i < bb->count ; i++) {
+ if (!BB_ACK(p[i])) {
+ unacked = true;
+ break;
+ }
+ }
+
+ if (!unacked)
+ bb->unacked_exist = 0;
+}
+
/**
* badblocks_set() - Add a range of bad blocks to the table.
* @bb: the badblocks structure that holds all badblock information
@@ -294,6 +314,8 @@ int badblocks_set(struct badblocks *bb, sector_t s, int sectors,
bb->changed = 1;
if (!acknowledged)
bb->unacked_exist = 1;
+ else
+ badblocks_update_acked(bb);
write_sequnlock_irqrestore(&bb->lock, flags);
return rv;
@@ -399,6 +421,7 @@ int badblocks_clear(struct badblocks *bb, sector_t s, int sectors)
}
}
+ badblocks_update_acked(bb);
bb->changed = 1;
out:
write_sequnlock_irq(&bb->lock);
--
2.9.3
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH] badblocks: badblocks_set/clear update unacked_exist
@ 2016-10-20 21:40 ` Shaohua Li
0 siblings, 0 replies; 4+ messages in thread
From: Shaohua Li @ 2016-10-20 21:40 UTC (permalink / raw)
To: linux-raid, linux-block; +Cc: tomasz.majchrzak
When bandblocks_set acknowledges a range or badblocks_clear a range,
it's possible all badblocks are acknowledged. We should update
unacked_exist if this occurs.
Signed-off-by: Shaohua Li <shli@fb.com>
---
block/badblocks.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/block/badblocks.c b/block/badblocks.c
index 7be53cb..139115d2 100644
--- a/block/badblocks.c
+++ b/block/badblocks.c
@@ -133,6 +133,26 @@ int badblocks_check(struct badblocks *bb, sector_t s, int sectors,
}
EXPORT_SYMBOL_GPL(badblocks_check);
+static void badblocks_update_acked(struct badblocks *bb)
+{
+ u64 *p = bb->page;
+ int i;
+ bool unacked = false;
+
+ if (!bb->unacked_exist)
+ return;
+
+ for (i = 0; i < bb->count ; i++) {
+ if (!BB_ACK(p[i])) {
+ unacked = true;
+ break;
+ }
+ }
+
+ if (!unacked)
+ bb->unacked_exist = 0;
+}
+
/**
* badblocks_set() - Add a range of bad blocks to the table.
* @bb: the badblocks structure that holds all badblock information
@@ -294,6 +314,8 @@ int badblocks_set(struct badblocks *bb, sector_t s, int sectors,
bb->changed = 1;
if (!acknowledged)
bb->unacked_exist = 1;
+ else
+ badblocks_update_acked(bb);
write_sequnlock_irqrestore(&bb->lock, flags);
return rv;
@@ -399,6 +421,7 @@ int badblocks_clear(struct badblocks *bb, sector_t s, int sectors)
}
}
+ badblocks_update_acked(bb);
bb->changed = 1;
out:
write_sequnlock_irq(&bb->lock);
--
2.9.3
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] badblocks: badblocks_set/clear update unacked_exist
2016-10-20 21:40 ` Shaohua Li
(?)
@ 2016-10-21 14:35 ` Tomasz Majchrzak
-1 siblings, 0 replies; 4+ messages in thread
From: Tomasz Majchrzak @ 2016-10-21 14:35 UTC (permalink / raw)
To: Shaohua Li; +Cc: linux-raid, linux-block
On Thu, Oct 20, 2016 at 02:40:06PM -0700, Shaohua Li wrote:
> When bandblocks_set acknowledges a range or badblocks_clear a range,
> it's possible all badblocks are acknowledged. We should update
> unacked_exist if this occurs.
>
> Signed-off-by: Shaohua Li <shli@fb.com>
> ---
> block/badblocks.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/block/badblocks.c b/block/badblocks.c
> index 7be53cb..139115d2 100644
> --- a/block/badblocks.c
> +++ b/block/badblocks.c
> @@ -133,6 +133,26 @@ int badblocks_check(struct badblocks *bb, sector_t s, int sectors,
> }
> EXPORT_SYMBOL_GPL(badblocks_check);
>
> +static void badblocks_update_acked(struct badblocks *bb)
> +{
> + u64 *p = bb->page;
> + int i;
> + bool unacked = false;
> +
> + if (!bb->unacked_exist)
> + return;
> +
> + for (i = 0; i < bb->count ; i++) {
> + if (!BB_ACK(p[i])) {
> + unacked = true;
> + break;
> + }
> + }
> +
> + if (!unacked)
> + bb->unacked_exist = 0;
> +}
> +
> /**
> * badblocks_set() - Add a range of bad blocks to the table.
> * @bb: the badblocks structure that holds all badblock information
> @@ -294,6 +314,8 @@ int badblocks_set(struct badblocks *bb, sector_t s, int sectors,
> bb->changed = 1;
> if (!acknowledged)
> bb->unacked_exist = 1;
> + else
> + badblocks_update_acked(bb);
> write_sequnlock_irqrestore(&bb->lock, flags);
>
> return rv;
> @@ -399,6 +421,7 @@ int badblocks_clear(struct badblocks *bb, sector_t s, int sectors)
> }
> }
>
> + badblocks_update_acked(bb);
> bb->changed = 1;
> out:
> write_sequnlock_irq(&bb->lock);
> --
> 2.9.3
Reviewed-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Tested-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] badblocks: badblocks_set/clear update unacked_exist
2016-10-20 21:40 ` Shaohua Li
(?)
(?)
@ 2016-10-21 16:15 ` Jens Axboe
-1 siblings, 0 replies; 4+ messages in thread
From: Jens Axboe @ 2016-10-21 16:15 UTC (permalink / raw)
To: Shaohua Li, linux-raid, linux-block; +Cc: tomasz.majchrzak
On 10/20/2016 03:40 PM, Shaohua Li wrote:
> When bandblocks_set acknowledges a range or badblocks_clear a range,
> it's possible all badblocks are acknowledged. We should update
> unacked_exist if this occurs.
Applied, thanks.
--
Jens Axboe
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2016-10-21 16:15 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-10-20 21:40 [PATCH] badblocks: badblocks_set/clear update unacked_exist Shaohua Li
2016-10-20 21:40 ` Shaohua Li
2016-10-21 14:35 ` Tomasz Majchrzak
2016-10-21 16:15 ` Jens Axboe
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