2010-08-25 15:37:31

by Stephen M. Cameron

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Subject: [PATCH] cciss: fix reporting of max queue depth since init

From: Stephen M. Cameron <[email protected]>

The ioctl path and the scsi tape path were not accounting
for their additions to the queue depth.

Signed-off-by: Stephen M. Cameron <[email protected]>
---
drivers/block/cciss.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 31064df..eef94fa 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -297,6 +297,8 @@ static void enqueue_cmd_and_start_io(ctlr_info_t *h,
spin_lock_irqsave(&h->lock, flags);
addQ(&h->reqQ, c);
h->Qdepth++;
+ if (h->Qdepth > h->maxQsinceinit)
+ h->maxQsinceinit = h->Qdepth;
start_io(h);
spin_unlock_irqrestore(&h->lock, flags);
}


2010-08-25 17:59:37

by Jens Axboe

[permalink] [raw]
Subject: Re: [PATCH] cciss: fix reporting of max queue depth since init

On 08/25/2010 05:43 PM, Stephen M. Cameron wrote:
> The ioctl path and the scsi tape path were not accounting
> for their additions to the queue depth.
>
> Signed-off-by: Stephen M. Cameron <[email protected]>

Applied, thanks.

--
Jens Axboe