Re: [PATCH v4 1/1] qemu-img: Add --target-is-zero to convert

2020-02-07 Thread Max Reitz
On 05.02.20 12:02, David Edmondson wrote: > In many cases the target of a convert operation is a newly provisioned > target that the user knows is blank (reads as zero). In this situation > there is no requirement for qemu-img to wastefully zero out the entire > device. > > Add a new option,

Re: [PATCH v4 1/1] qemu-img: Add --target-is-zero to convert

2020-02-05 Thread Eric Blake
On 2/5/20 5:02 AM, David Edmondson wrote: In many cases the target of a convert operation is a newly provisioned target that the user knows is blank (reads as zero). In this situation there is no requirement for qemu-img to wastefully zero out the entire device. Add a new option,

Re: [PATCH v4 1/1] qemu-img: Add --target-is-zero to convert

2020-02-05 Thread Vladimir Sementsov-Ogievskiy
05.02.2020 14:02, David Edmondson wrote: In many cases the target of a convert operation is a newly provisioned target that the user knows is blank (reads as zero). In this situation there is no requirement for qemu-img to wastefully zero out the entire device. Add a new option,

[PATCH v4 1/1] qemu-img: Add --target-is-zero to convert

2020-02-05 Thread David Edmondson
In many cases the target of a convert operation is a newly provisioned target that the user knows is blank (reads as zero). In this situation there is no requirement for qemu-img to wastefully zero out the entire device. Add a new option, --target-is-zero, allowing the user to indicate that an