a9d6ceb8
("[SCSI] return ENOSPC on thin provisioning failure").
Signed-off-by: Jun'ichi Nomura
Cc: Hannes Reinecke
---
drivers/md/dm-mpath.c | 1 +
1 file changed, 1 insertion(+)
The patch is not actually tested as I don't have such a storage at my hand.
Hannes, please let m
Hi Hannes,
On 07/01/13 22:16, Hannes Reinecke wrote:
> When a medium error is detected the SCSI stack should return
> ENODATA to the upper layers.
>
> Cc: Jun'ichi Nomura
> Signed-off-by: Hannes Reinecke
> ---
> block/blk-core.c | 3 +++
> d
g like below for dm-multipath.
It seems btrfs checking -EREMOTEIO, too.
--
Jun'ichi Nomura, NEC Corporation
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index bdf26f5..15bf881 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1261,6 +1261,21 @@ static void ac
by IO processing.
The use of blk_run_queue_async should have reduced the foot print of
softirq handling.
--
Jun'ichi Nomura, NEC Corporation
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it is not a problem from "use-after-free" point of view.
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ng the old bioset could cause the oops in bio_put().
Since the size of front_pad may change only with bio-based dm,
it is not necessary to replace bioset for request-based dm.
Reported-by: Bart Van Assche
Tested-by: Bart Van Assche
Signed-off-by: Jun'ichi Nomura
Cc: Alasdair G Kergon
Cc: Miku
ch that it converts recursion into iteration.
Yes. That's a separate discussion.
Though I'm not sure if it's ok in general to implicitly convert
sync run-queue to async one.
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Jun'ichi Nomura, NEC Corporation
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ze
of front_pad is static. Also we can't simply replace bioset because
prep-ed requests in queue have reference to the old bioset.
The patch below changes it not to replace bioset for request-based dm.
(Brings back to the same behavior with v3.7)
With this patch, I could not reproduce the problem.
ased on setup. (1000:0055 when software RAID is enabled
and 1000:0054 or something for normal SAS)
If so, there is a chance you can disable the software RAID
via BIOS setup utility.
Thanks,
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> if (mbox->numstatus != 0xFF) break;
> rmb();
> }
>
> Additionally, increase the loop counter to a bigger value.
>
> Thanks,
> Sreenivas
> LSI LOGIC Corporation
>
>
>>-Original Message-
>
Hello,
I found that the megaraid driver always fails to reset the
adapter with the following message:
megaraid: resetting the host...
megaraid mbox: reset sequence completed successfully
megaraid: fast sync command timed out
megaraid: reservation reset failed
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