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[Qemu-devel] [PATCH 01/14] qcow2: Really use cache=unsafe for image crea
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 01/14] qcow2: Really use cache=unsafe for image creation |
Date: |
Mon, 7 Feb 2011 13:40:17 +0100 |
For cache=unsafe we also need to set BDRV_O_CACHE_WB, otherwise we have some
strange unsafe writethrough mode.
Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
---
block/qcow2.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index dbe4fdd..a1773e4 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -975,7 +975,8 @@ static int qcow2_create2(const char *filename, int64_t
total_size,
*/
BlockDriver* drv = bdrv_find_format("qcow2");
assert(drv != NULL);
- ret = bdrv_open(bs, filename, BDRV_O_RDWR | BDRV_O_NO_FLUSH, drv);
+ ret = bdrv_open(bs, filename,
+ BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, drv);
if (ret < 0) {
goto out;
}
--
1.7.2.3
- [Qemu-devel] [PULL 00/14] Block patches for master, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 01/14] qcow2: Really use cache=unsafe for image creation,
Kevin Wolf <=
- [Qemu-devel] [PATCH 02/14] Documentation: add Sheepdog disk images, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 03/14] block/vdi: Fix wrong size in conditionally used memset, memcmp, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 05/14] ahci: add license header in ahci.h, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 07/14] ahci: send init d2h fis on fis enable, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 04/14] ahci: split ICH9 from core, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 06/14] ahci: split ICH and AHCI even more, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 08/14] ahci: Implement HBA reset, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 09/14] ahci: make number of ports runtime determined, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 10/14] block-migration: actually disable dirty tracking on cleanup, Kevin Wolf, 2011/02/07
- [Qemu-devel] [PATCH 11/14] blockdev: add refcount to DriveInfo, Kevin Wolf, 2011/02/07