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[Qemu-devel] [PATCH 08/14] block.h: Make BDRV_SECTOR_SIZE 64 bit safe


From: Kevin Wolf
Subject: [Qemu-devel] [PATCH 08/14] block.h: Make BDRV_SECTOR_SIZE 64 bit safe
Date: Fri, 28 May 2010 18:46:07 +0200

From: Jes Sorensen <address@hidden>

C defaults to int, so make definition of BDRV_SECTOR_SIZE 64 bit
safe as it and BDRV_SECTOR_MASK may be used against 64 bit addresses.

Signed-off-by: Jes Sorensen <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
 block.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/block.h b/block.h
index 9034ebb..756670d 100644
--- a/block.h
+++ b/block.h
@@ -38,7 +38,7 @@ typedef struct QEMUSnapshotInfo {
 #define BDRV_O_CACHE_MASK  (BDRV_O_NOCACHE | BDRV_O_CACHE_WB)
 
 #define BDRV_SECTOR_BITS   9
-#define BDRV_SECTOR_SIZE   (1 << BDRV_SECTOR_BITS)
+#define BDRV_SECTOR_SIZE   (1ULL << BDRV_SECTOR_BITS)
 #define BDRV_SECTOR_MASK   ~(BDRV_SECTOR_SIZE - 1)
 
 typedef enum {
-- 
1.6.6.1




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