On 1/8/2017 5:18 PM, Anton Nefedov wrote:
This pull request is to address a few performance problems of qcow2 format:
1. non cluster-aligned write requests (to unallocated clusters) explicitly
pad data with zeroes if there is no backing data. This can be avoided
and the whole
Changes in v4:
- rebased on top of Eric's series
[PATCH v2 00/20] add byte-based block_status driver callbacks
http://lists.nongnu.org/archive/html/qemu-devel/2017-07/msg04370.html
- patch 5 fixed to compile without CONFIG_FALLOCATE and support
BDRV_REQ_ALLOCATE with xfsctl
