From: H. Peter Anvin <hpa@zytor.com>
Date: Tue, 14 Oct 2008 18:34:20 +0000 (-0700)
Subject: [SCSI] sd: fix computation of the full size of the device
X-Git-Tag: v2.6.28-rc1~11^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=520a2c2741747062e75f91cd0faddb564fbc64d2;p=pandora-kernel.git

[SCSI] sd: fix computation of the full size of the device

When computing the full size of the device, we need to cast
sdkp->capacity before shifting, since in some configurations sector_t
can be a 32-bit number.

Also, change ffz(~x) to the more idiomatic ilog2(x).

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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