Il 15/04/2013 03:42, liu ping fan ha scritto: > > It will work because readers will grab either the hostmem_lock or the > > BQL, while writers will grab both. A kind of local/global lock, but I'm > > No only hostmem_lock is used to protect readers from writers. While > the writers are protected agaist each other by biglock. So leaving > the "cur_hostmem = next_hostmem" outside to reflect the lock's rules.
Doesn't help much if you do not document them... Paolo