> On Sep 6, 2016, at 14:14, J. Bruce Fields <bfields@xxxxxxxxxxxx> wrote: > > 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? Yes, the Primary Data server does. > > --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
