> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, January 12, 2017 23:53
> To: Dexuan Cui
> Cc: Christoph Hellwig ; linux-bl...@vger.kernel.org; Jens Axboe
> ; Vitaly Kuznetsov ; linux-
> ker...@vger.kernel.org;
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, January 12, 2017 23:53
> To: Dexuan Cui
> Cc: Christoph Hellwig ; linux-bl...@vger.kernel.org; Jens Axboe
> ; Vitaly Kuznetsov ; linux-
> ker...@vger.kernel.org; KY Srinivasan ; Chris Valean
> (Cloudbase Solutions SRL)
> Subject:
Can you check if this debug printk triggers for the discard commands?
---
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 888e16e..7ab7d08 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1031,6 +1031,10 @@ static void
Can you check if this debug printk triggers for the discard commands?
---
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 888e16e..7ab7d08 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1031,6 +1031,10 @@ static void
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, January 12, 2017 21:44
> To: Dexuan Cui
> Cc: Christoph Hellwig ; linux-bl...@vger.kernel.org; Jens Axboe
> ; Vitaly Kuznetsov ; linux-
> ker...@vger.kernel.org;
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, January 12, 2017 21:44
> To: Dexuan Cui
> Cc: Christoph Hellwig ; linux-bl...@vger.kernel.org; Jens Axboe
> ; Vitaly Kuznetsov ; linux-
> ker...@vger.kernel.org; KY Srinivasan ; Chris Valean
> (Cloudbase Solutions SRL)
> Subject:
Hi Dexuan,
sorry for dropping the ball on the previous private report, I hoped
I could get my hands on a Hyper-V VM and reproduce it myself, but
that has obviously not happened.
Can you send me the output of the provisioning_mode file for the
scsi disk in question to get started?
Hi Dexuan,
sorry for dropping the ball on the previous private report, I hoped
I could get my hands on a Hyper-V VM and reproduce it myself, but
that has obviously not happened.
Can you send me the output of the provisioning_mode file for the
scsi disk in question to get started?
Hi,
Recently fstrim and mkfs always hang in Linux VM running on Hyper-V 2012 R2 or
2016.
The VM uses the latest mainline kernel (v4.10-rc3).
git-bisect shows the patch
"block: improve handling of the magic discard payload (f9d03f96)"
causes the issue.
If I revert the patch, the issue will go
Hi,
Recently fstrim and mkfs always hang in Linux VM running on Hyper-V 2012 R2 or
2016.
The VM uses the latest mainline kernel (v4.10-rc3).
git-bisect shows the patch
"block: improve handling of the magic discard payload (f9d03f96)"
causes the issue.
If I revert the patch, the issue will go
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