Re: [PATCH v7 00/11] qcow2: fix parallel rewrite and discard (reqlist)

2021-09-22 Thread Vladimir Sementsov-Ogievskiy
Ping. Hi Kevin! Could you look at description in cover-letter and 07-09, and say do you like the approach in general? Then I can resend with reqlist included and without "Based-on". Or do you still prefer the solution with RWLock? I don't like RWLock-based blocking solution, because: 1.

[PATCH v7 00/11] qcow2: fix parallel rewrite and discard (reqlist)

2021-09-04 Thread Vladimir Sementsov-Ogievskiy
Hi all! This is a new (third :)) variant of solving the problem in qcow2 that we lack synchronisation in reallocating host clusters with refcount=0 and guest reads/writes that may still be in progress on these clusters. Previous version was "[PATCH v6 00/12] qcow2: fix parallel rewrite and