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author | Kevin Wolf <kwolf@redhat.com> | 2009-06-30 13:06:04 +0200 |
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committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-07-09 16:06:37 -0500 |
commit | 0aa217e46124e873f75501f7187657e063f5903b (patch) | |
tree | b6d293dd84f7a3bc8eb8a1d9358b1a2f3ccc0a34 /block.h | |
parent | fc5b81d1f6df7342f0963120b2cf3e919d6fc08a (diff) | |
download | qemu-0aa217e46124e873f75501f7187657e063f5903b.zip qemu-0aa217e46124e873f75501f7187657e063f5903b.tar.gz qemu-0aa217e46124e873f75501f7187657e063f5903b.tar.bz2 |
qcow2: Make cache=writethrough default
The performance of qcow2 has improved meanwhile, so we don't need to
special-case it any more. Switch the default to write-through caching
like all other block drivers.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'block.h')
-rw-r--r-- | block.h | 3 |
1 files changed, 1 insertions, 2 deletions
@@ -37,9 +37,8 @@ typedef struct QEMUSnapshotInfo { bdrv_file_open()) */ #define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */ #define BDRV_O_CACHE_WB 0x0040 /* use write-back caching */ -#define BDRV_O_CACHE_DEF 0x0080 /* use default caching */ -#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_CACHE_DEF) +#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB) void bdrv_info(Monitor *mon); void bdrv_info_stats(Monitor *mon); |