Re: [Qemu-devel] [PATCH v9 01/31] block: Use bdrv_refresh_filename() to pull

2018-06-28 Thread Eric Blake
On 06/27/2018 07:07 PM, Max Reitz wrote: Before this patch, bdrv_refresh_filename() is used in a pushing manner: Whenever the BDS graph is modified, the parents of the modified edges are supposed to be updated (recursively upwards). However, that is unviable, considering that we want child chang

[Qemu-devel] [PATCH v9 01/31] block: Use bdrv_refresh_filename() to pull

2018-06-27 Thread Max Reitz
Before this patch, bdrv_refresh_filename() is used in a pushing manner: Whenever the BDS graph is modified, the parents of the modified edges are supposed to be updated (recursively upwards). However, that is unviable, considering that we want child changes not to concern parents. Also, in the lo