Re: [Qemu-devel] [PATCH] file-posix: Clear out first sector in hdev_create

2017-08-11 Thread Fam Zheng
On Fri, 08/11 15:44, Xie Changlong wrote: > 在 8/10/2017 4:01 PM, Fam Zheng 写道: > > People get surprised when, after "qemu-imc create -f raw /dev/sdX", they > > s/qemu-imc/qemu-img/ Thanks, will fix in v2. Fam

Re: [Qemu-devel] [PATCH] file-posix: Clear out first sector in hdev_create

2017-08-11 Thread Xie Changlong
在 8/10/2017 4:01 PM, Fam Zheng 写道: People get surprised when, after "qemu-imc create -f raw /dev/sdX", they s/qemu-imc/qemu-img/ still see qcow2 with "qemu-img info", if previously the bdev had a qcow2 -- Thanks -Xie

[Qemu-devel] [PATCH] file-posix: Clear out first sector in hdev_create

2017-08-10 Thread Fam Zheng
People get surprised when, after "qemu-imc create -f raw /dev/sdX", they still see qcow2 with "qemu-img info", if previously the bdev had a qcow2 header. While this is natural because raw doesn't need to write any magic bytes during creation, hdev_create is free to clear out the first sector to mak