On Sun, Aug 28, 2016 at 06:21:00PM -0400, Trond Myklebust wrote: > RFC5661 has a mechanism for ensuring that the forward channel and backward > channel do not race. The Linux client implements this mechanism, but in > a manner that is racy, making it rather pointless, and buggy (Oops!). > > This patch series fixes the most egregious issues around delegations and > layouts by ensuring that we wait for completion of the actual setup of > the delegation or layout that could be subject to recall. Out of curiosity--so do we know if there are servers out there using it at this point? --b. > > Trond Myklebust (5): > NFSv4.1: Fix Oopsable condition in server callback races > NFSv4.1: Delay callback processing when there are referring triples > NFSv4.1: Defer bumping the slot sequence number until we free the slot > NFSv4.1: Close callback races for OPEN, LAYOUTGET and LAYOUTRETURN > NFSv4.1: Remove obsolete and incorrrect assignment in > nfs4_callback_sequence > > fs/nfs/callback_proc.c | 8 ++--- > fs/nfs/nfs4proc.c | 89 +++++++++++++++++++++++++++++++++++++++++--------- > fs/nfs/nfs4session.c | 53 ++++++++++++++++++++++++++++++ > fs/nfs/nfs4session.h | 7 +++- > 4 files changed, 135 insertions(+), 22 deletions(-) > > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
