Re: [Qemu-devel] [PATCH v13 01/31] block: Use bdrv_refresh_filename() to pull

2019-02-01 Thread Eric Blake
On 2/1/19 1:29 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 > nonviable, considering that we want child cha

[Qemu-devel] [PATCH v13 01/31] block: Use bdrv_refresh_filename() to pull

2019-02-01 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 nonviable, considering that we want child changes not to concern parents. Also, in the l