linux-kernel - Re: [PATCH 2/2] scsi: wd7000: print sector number as 64-bit

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Message-ID: <yq1eg7r5oq5.fsf@sermon.lab.mkp.net>
Date:	Mon, 20 Jun 2016 21:12:50 -0400
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
	linux-scsi@...r.kernel.org,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] scsi: wd7000: print sector number as 64-bit

>>>>> "Arnd" == Arnd Bergmann <arnd@...db.de> writes:

As sector_t can be 32-bit wide, this adds a cast to 'u64' and prints
that with the correct format. The change to use no_printk()

[...]

+	dprintk("wd7000_biosparam: dev=%s, size=%lld, ",
+		bdevname(bdev, b), (s64)capacity);

s64?

Why not unsigned long long like we usually do with sector_t?

-- 
Martin K. Petersen	Oracle Linux Engineering