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[Qemu-devel] [PATCH 09/15] vmdk: change magic number to macro
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH 09/15] vmdk: change magic number to macro |
Date: |
Fri, 3 May 2013 13:52:46 +0200 |
From: Fam Zheng <address@hidden>
Two hard coded flag bits are changed to macros.
Signed-off-by: Fam Zheng <address@hidden>
Signed-off-by: Stefan Hajnoczi <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] [PULL 00/15] Block patches, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 01/15] qemu: add castagnoli crc32c checksum algorithm, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 02/15] block: vhdx header for the QEMU support of VHDX images, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 04/15] block: add read-only support to VHDX image format., Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 03/15] block: initial VHDX driver support framework - supports open and probe, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 05/15] blockdev: Replace "undefined error" in qmp_block_resize, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 06/15] vmdk: named return code., Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 07/15] vmdk: add support for “zeroed‐grain” GTE, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 08/15] vmdk: Add option to create zeroed-grain image, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 09/15] vmdk: change magic number to macro,
Stefan Hajnoczi <=
- [Qemu-devel] [PATCH 10/15] vmdk: store fields of VmdkMetaData in cpu endian, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 11/15] vmdk: add bdrv_co_write_zeroes, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 12/15] qemu-iotests: Filter out vmdk creation options, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 13/15] nbd: use g_slice_new() instead of a freelist, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 14/15] nbd: support large NBD requests, Stefan Hajnoczi, 2013/05/03
- [Qemu-devel] [PATCH 15/15] qemu-iotests: Filter out 'adapter_type', Stefan Hajnoczi, 2013/05/03