Re: [Qemu-devel] [PATCH v3 3/4] qcow2: add shrink image support

2017-07-09 Thread Max Reitz
On 2017-07-07 23:26, Eric Blake wrote: > On 07/07/2017 09:30 AM, Pavel Butsykin wrote: >> This patch add shrinking of the image file for qcow2. As a result, this >> allows >> us to reduce the virtual image size and free up space on the disk without >> copying the image. Image can be fragmented and

Re: [Qemu-devel] [PATCH v3 3/4] qcow2: add shrink image support

2017-07-09 Thread Max Reitz
On 2017-07-07 16:30, Pavel Butsykin wrote: > This patch add shrinking of the image file for qcow2. As a result, this allows > us to reduce the virtual image size and free up space on the disk without > copying the image. Image can be fragmented and shrink is done by punching > holes > in the image

Re: [Qemu-devel] [PATCH v3 3/4] qcow2: add shrink image support

2017-07-07 Thread Eric Blake
On 07/07/2017 09:30 AM, Pavel Butsykin wrote: > This patch add shrinking of the image file for qcow2. As a result, this allows > us to reduce the virtual image size and free up space on the disk without > copying the image. Image can be fragmented and shrink is done by punching > holes > in the im

[Qemu-devel] [PATCH v3 3/4] qcow2: add shrink image support

2017-07-07 Thread Pavel Butsykin
This patch add shrinking of the image file for qcow2. As a result, this allows us to reduce the virtual image size and free up space on the disk without copying the image. Image can be fragmented and shrink is done by punching holes in the image file. Signed-off-by: Pavel Butsykin --- block/qcow