linux-kernel - [PATCH 09/11] uml ubd driver: use bitfields where possible

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Message-Id: <20061029192046.12292.72461.stgit@americanbeauty.home.lan>
Date:	Sun, 29 Oct 2006 20:20:46 +0100
From:	Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
To:	Andrew Morton <akpm@...l.org>
Cc:	Jeff Dike <jdike@...toit.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: [PATCH 09/11] uml ubd driver: use bitfields where possible

From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>

Use bitfields for boolean fields in ubd data structure.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
---

 arch/um/drivers/ubd_kern.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 1a85d39..66dc23d 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -174,8 +174,8 @@ struct ubd {
 	__u64 size;
 	struct openflags boot_openflags;
 	struct openflags openflags;
-	int shared;
-	int no_cow;
+	unsigned shared:1;
+	unsigned no_cow:1;
 	struct cow cow;
 	struct platform_device pdev;
 };
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