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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH] sheepdog: implement direct write semantics |
Date: | Fri, 11 Jan 2013 04:00:09 -0500 (EST) |
> bdrv_enable_write_cache() is always > true for now, I guess this need generic change block layer to get the > writethrough/writeback hints. That's not correct. Try hdparm with an IDE disk, or sysfs with a SCSI disk (recent kernels will also support sysfs with an IDE or virtio-blk disk) and you'll see that it changes. Paolo
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