On 18.12.2012 13:46, Philipp Hahn wrote: > I think I found your missing link: > After filling in "QCowL2Meta *m", that request ist queued: > QLIST_INSERT_HEAD(&s->cluster_allocs, m, next_in_flight); > do prevent double allocating the same cluster for overlapping requests, which > is checked in do_alloc_cluster_offset(). > > I guess that since the sector count was wrong, the overlap detection didn't > work and the two concurrent write requests to the same cluster overwrote each > other.
Meh. And I already closed the debian bugreport... :) But thank you Philipp for your excellent work on the matter! /mjt
