On Tue, Jun 23, 2015 at 04:14:42PM -0700, Josef Bacik wrote: > On 06/21/2015 07:26 PM, Dave Chinner wrote: > >On Tue, Jun 16, 2015 at 07:34:29AM +1000, Dave Chinner wrote: > >>On Thu, Jun 11, 2015 at 03:41:05PM -0400, Josef Bacik wrote: > >>>Here are the cleaned up versions of Dave Chinners super block scalability > >>>patches. I've been testing them locally for a while and they are pretty solid. > >>>They fix a few big issues, such as the global inode list and soft lockups on > >>>boxes on unmount that have lots of inodes in cache. Al if you would consider > >>>pulling these in that would be great, you can pull from here > >>> > >>>git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git superblock-scaling > >> > >>Passes all my smoke tests. > >> > >>Tested-by: Dave Chinner <dchinner@xxxxxxxxxx> > > > >FWIW, I just updated my trees to whatever is in the above branch and > >v4.1-rc8, and now I'm seeing problems with wb.list_lock recursion > >and "sleeping in atomic" scehduling issues. generic/269 produced > >this: .... > >It looks to me like iput() is being called with the wb.list_lock > >held in wait_sb_inodes(), and everything is going downhill from > >there. Patch below fixes the problem for me. > > > > I folded this into "bdi: add a new writeback list for sync" since it > was there before and to be more bisect friendly. Let me know if > this isn't ok with you and I'll undo it. Thanks, That's fine - I was expecting you would fold it back in... ;) Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
