mirror of https://github.com/proxmox/mirror_qemu
qcow2: Really use cache=unsafe for image creation
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 <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>master
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ad36ce8ba9
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e1a7107f2d
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@ -975,7 +975,8 @@ static int qcow2_create2(const char *filename, int64_t total_size,
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*/
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*/
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BlockDriver* drv = bdrv_find_format("qcow2");
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BlockDriver* drv = bdrv_find_format("qcow2");
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assert(drv != NULL);
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assert(drv != NULL);
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ret = bdrv_open(bs, filename, BDRV_O_RDWR | BDRV_O_NO_FLUSH, drv);
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ret = bdrv_open(bs, filename,
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BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, drv);
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if (ret < 0) {
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if (ret < 0) {
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goto out;
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goto out;
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}
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}
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