Re: [PATCH v2 0/5] active-mirror: support unaligned guest operations

2019-10-18 Thread Vladimir Sementsov-Ogievskiy
18.10.2019 18:54, Max Reitz wrote: > On 11.10.19 11:07, Vladimir Sementsov-Ogievskiy wrote: >> Commit 9adc1cb49af8d fixed a bug about unaligned (to dirty bitmap >> granularity) guest writes (and discards) by simply requesting >> corresponding alignment on mirror-top filter. However forcing large

Re: [PATCH v2 0/5] active-mirror: support unaligned guest operations

2019-10-18 Thread Max Reitz
On 11.10.19 11:07, Vladimir Sementsov-Ogievskiy wrote: > Commit 9adc1cb49af8d fixed a bug about unaligned (to dirty bitmap > granularity) guest writes (and discards) by simply requesting > corresponding alignment on mirror-top filter. However forcing large > alignment obviously decreases

[PATCH v2 0/5] active-mirror: support unaligned guest operations

2019-10-11 Thread Vladimir Sementsov-Ogievskiy
Commit 9adc1cb49af8d fixed a bug about unaligned (to dirty bitmap granularity) guest writes (and discards) by simply requesting corresponding alignment on mirror-top filter. However forcing large alignment obviously decreases performance of unaligned requests. So it's time for a new solution