On Tue, Apr 12, 2016 at 11:56:35AM +0300, Alex Lyakas wrote: > Hello Dave, > > Looking at the patch, I see that now we call xfs_idestroy_fork() in RCU callback. This can do the following chain: > > xfs_iext_destroy => xfs_iext_irec_remove => xfs_iext_realloc_indirect=> kmem_realloc => kmem_alloc => kmem_alloc => congestion_wait() > > At least according to documentation, the RCU callback cannot block, since it may be called from softirq context. Is this fine? Right, I forgot about that. Too many forests. I'll reconstruct your patch from the email you appended it to previously and add that to the series to test against. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
