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[Qemu-devel] [PATCH v3 4/6] vmdk: change magic number to macro
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v3 4/6] vmdk: change magic number to macro |
Date: |
Wed, 24 Apr 2013 20:44:33 +0800 |
Two hard coded flag bits are changed to macros.
Signed-off-by: Fam Zheng <address@hidden>
---
block/vmdk.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/vmdk.c b/block/vmdk.c
index cc19e20..0463d3b 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -32,6 +32,7 @@
#define VMDK3_MAGIC (('C' << 24) | ('O' << 16) | ('W' << 8) | 'D')
#define VMDK4_MAGIC (('K' << 24) | ('D' << 16) | ('M' << 8) | 'V')
#define VMDK4_COMPRESSION_DEFLATE 1
+#define VMDK4_FLAG_NL_DETECT (1 << 0)
#define VMDK4_FLAG_RGD (1 << 1)
/* Zeroed-grain enable bit */
#define VMDK4_FLAG_ZERO_GRAIN (1 << 2)
@@ -1287,7 +1288,7 @@ static int vmdk_create_extent(const char *filename,
int64_t filesize,
magic = cpu_to_be32(VMDK4_MAGIC);
memset(&header, 0, sizeof(header));
header.version = zeroed_grain ? 2 : 1;
- header.flags = 3
+ header.flags = VMDK4_FLAG_RGD | VMDK4_FLAG_NL_DETECT
| (compress ? VMDK4_FLAG_COMPRESS | VMDK4_FLAG_MARKER : 0)
| (zeroed_grain ? VMDK4_FLAG_ZERO_GRAIN : 0);
header.compressAlgorithm = compress ? VMDK4_COMPRESSION_DEFLATE : 0;
--
1.8.1.4
- [Qemu-devel] [PATCH v3 0/6] vmdk: zeroed-grain GTE support, Fam Zheng, 2013/04/24
- [Qemu-devel] [PATCH v3 1/6] vmdk: named return code., Fam Zheng, 2013/04/24
- [Qemu-devel] [PATCH v3 3/6] vmdk: Add option to create zeroed-grain image, Fam Zheng, 2013/04/24
- [Qemu-devel] [PATCH v3 4/6] vmdk: change magic number to macro,
Fam Zheng <=
- [Qemu-devel] [PATCH v3 2/6] vmdk: add support for “zeroed‐grain” GTE, Fam Zheng, 2013/04/24
- [Qemu-devel] [PATCH v3 5/6] vmdk: store fields of VmdkMetaData in cpu endian, Fam Zheng, 2013/04/24
- [Qemu-devel] [PATCH v3 6/6] vmdk: add bdrv_co_write_zeroes, Fam Zheng, 2013/04/24
- Re: [Qemu-devel] [PATCH v3 0/6] vmdk: zeroed-grain GTE support, Stefan Hajnoczi, 2013/04/25