Messages in this thread | | | Date | Thu, 29 Dec 2011 11:56:27 +0800 | From | Wanlong Gao <> | Subject | Re: Bug in BLKBSZSET/GET ioctl ? |
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On 12/29/2011 11:51 AM, Wanlong Gao wrote:
> Hi all: > > This is first reported to *libguestfs*: https://bugzilla.redhat.com/show_bug.cgi?id=624335
The blockdev-get/setbsz in *libguestfs* is just a wraper of util-linux's *blockdev --get/setbsz*.
> > Then, I looked into upstream util-linux and it seems nothing wrong. I'm not convinced that it's a kernel bug. > > produce: > > --- > # ./util-linux/disk-utils/blockdev --getbsz /dev/sda6 > 4096 > # ./util-linux/disk-utils/blockdev --setbsz 2048 /dev/sda6 > # ./util-linux/disk-utils/blockdev --getbsz /dev/sda6 > 4096 > # ./util-linux/disk-utils/blockdev --setbsz 512 /dev/sda6 > # ./util-linux/disk-utils/blockdev --getbsz /dev/sda6 > 4096 > > --- > > I'm not sure if it is related to write-back, but still CCed to Fengguang. > > > > Thanks, > -Wanlong Gao
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