On Wed, 24 Sep 2014 11:28:32 +1000 NeilBrown <neilb@xxxxxxx> wrote: > This set includes acked-by's from Andrew and Peter so it should be > OK for all five patches to go upstream through the NFS tree. > > I split the congestion tracking patch out from the wait-for-PG_private > patch as they are conceptually separate. > > This set continues to perform well in my tests and addresses all > issues that have been raised. > > Thanks a lot, > NeilBrown > > > --- > > NeilBrown (5): > SCHED: add some "wait..on_bit...timeout()" interfaces. > MM: export page_wakeup functions > NFS: avoid deadlocks with loop-back mounted NFS filesystems. > NFS: avoid waiting at all in nfs_release_page when congested. > NFS/SUNRPC: Remove other deadlock-avoidance mechanisms in nfs_release_page() > > > fs/nfs/file.c | 29 +++++++++++++++++++---------- > fs/nfs/write.c | 7 +++++++ > include/linux/pagemap.h | 12 ++++++++++-- > include/linux/wait.h | 5 ++++- > kernel/sched/wait.c | 36 ++++++++++++++++++++++++++++++++++++ > mm/filemap.c | 21 +++++++++++++++------ > net/sunrpc/sched.c | 2 -- > net/sunrpc/xprtrdma/transport.c | 2 -- > net/sunrpc/xprtsock.c | 10 ---------- > 9 files changed, 91 insertions(+), 33 deletions(-) > Cool! This looks like it'll address my earlier concern about setting the BDI congested inappropriately. You can add this to the set if you like: Acked-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>