Re: [Patch 2/2] cciss: supercedes add shutdown support (replaces reboot notifier)

From: Mike Miller (OS Dev)
Date: Fri Feb 23 2007 - 16:45:01 EST


On Fri, Feb 23, 2007 at 01:32:36PM -0800, Greg KH wrote:
> On Fri, Feb 23, 2007 at 02:42:39PM -0600, Mike Miller (OS Dev) wrote:
> > Patch 2/2
> >
> > This patch supercedes yesterdays cciss-shutdown patch. The primary difference is
> > removing __devexit from cciss_remove_one. Instead of create another function I'd
> > rather use the code that was intended to perform the cleanup and cache flush. I've
> > tested as a loadable module and statically linked without error.
> > Please consider this for inclusion.
> >
> > Signed-off-by: Mike Miller <mike.miller@xxxxxx>
> > ------------------------------------------------------------------------------------------
> > diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
> > index 9d84ab3..b16f48c 100644
> > --- a/drivers/block/cciss.c
> > +++ b/drivers/block/cciss.c
> > @@ -3404,7 +3404,7 @@ #endif
> > return -1;
> > }
> >
> > -static void __devexit cciss_remove_one(struct pci_dev *pdev)
> > +static void cciss_remove_one(struct pci_dev *pdev)
> > {
> > ctlr_info_t *tmp_ptr;
> > int i, j;
> > @@ -3428,9 +3428,10 @@ static void __devexit cciss_remove_one(s
> > memset(flush_buf, 0, 4);
> > return_code = sendcmd(CCISS_CACHE_FLUSH, i, flush_buf, 4, 0, 0, 0, NULL,
> > TYPE_CMD);
> > - if (return_code != IO_OK) {
> > - printk(KERN_WARNING "Error Flushing cache on controller %d\n",
> > - i);
> > + if (return_code == IO_OK) {
> > + printk(KERN_WARNING "Completed flushing cache on controller %d\n", i);
>
> Why do you want the world to know this on every shutdown?
>
> At the least, use dev_warn() to show the proper device and driver that
> this is happening to, but does it really need to go to the warning log?
> It sounds like a normal operation to me. How about dev_dbg() instead?
>
> thanks,
>
> greg k-h

OK, here's a version that only prints if a problem occurred. That's the way the code
was originally written.

-- mikem
------------------------------------------------------------------------------------------
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 9d84ab3..c50c09b 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -3404,7 +3404,7 @@ #endif
return -1;
}

-static void __devexit cciss_remove_one(struct pci_dev *pdev)
+static void cciss_remove_one(struct pci_dev *pdev)
{
ctlr_info_t *tmp_ptr;
int i, j;
@@ -3429,8 +3429,7 @@ static void __devexit cciss_remove_one(s
return_code = sendcmd(CCISS_CACHE_FLUSH, i, flush_buf, 4, 0, 0, 0, NULL,
TYPE_CMD);
if (return_code != IO_OK) {
- printk(KERN_WARNING "Error Flushing cache on controller %d\n",
- i);
+ printk(KERN_WARNING "Error flushing cache on controller %d\n", i);
}
free_irq(hba[i]->intr[2], hba[i]);

@@ -3481,6 +3480,7 @@ static struct pci_driver cciss_pci_drive
.probe = cciss_init_one,
.remove = __devexit_p(cciss_remove_one),
.id_table = cciss_pci_device_id, /* id_table */
+ .shutdown = cciss_remove_one,
};

/*
-
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