On Fri, May 04, 2012 at 05:55:21PM -0400, Peter Watkins wrote: > Greetings, > > Anyone seen a deadlock like the one below? It's a 17TB system with 32 > bit inodes and it's doing lots of inode allocations at the same time. > So you might consider it a stress test for inode alloc activity on a > single AG. > > xfs_ialloc called xfs_dialloc and got the agi header buf, then it > called xfs_iget which went into reclaim during radix_tree_preload. > While trying to shrink the inode cache, xfs_iunlink_remove tries to > get the same agi header buf. > > With 64 bit inodes you'd be less likely to hit this path, but it's > still possible, no? > > Should this call to radix_tree_preload use GFP_NOFS? Yes, because xfs_iget canbe called from transaction context. Can you send a patch for the current TOT kernel? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
