Sorry for noise, but let me say just in case... On 07/22, Oleg Nesterov wrote: > > Perhaps we should also cleanup the usage of ->frozen. It would be > better to set/clear (say) SB_FREEZE_WRITE with the corresponding > write-lock held. Currently freeze_super() has to set SB_FREEZE_WRITE > before sb_wait_write(SB_FREEZE_WRITE) to avoid the race with itself,
"Currently" means "after this change". Before this change we obviously need to increment ->frozen before sb_wait_write(). > The "From now on, no new normal writers > can start" removed by this patch was not really correct. Yes, it was confusing even without this change. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
