On Sun, Sep 16, 2012 at 05:33:03PM +0100, Ben Hutchings wrote: > On Wed, 2012-09-12 at 16:39 -0700, Greg Kroah-Hartman wrote: > > From: Greg KH <[email protected]> > > > > 3.0-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Trond Myklebust <[email protected]> > > > > commit 47fbf7976e0b7d9dcdd799e2a1baba19064d9631 upstream. > > > > Ever since commit 0a57cdac3f (NFSv4.1 send layoutreturn to fence > > disconnected data server) we've been sending layoutreturn calls > > while there is potentially still outstanding I/O to the data > > servers. The reason we do this is to avoid races between replayed > > writes to the MDS and the original writes to the DS. > > > > When this happens, the BUG_ON() in nfs4_layoutreturn_done can > > be triggered because it assumes that we would never call > > layoutreturn without knowing that all I/O to the DS is > > finished. The fix is to remove the BUG_ON() now that the > > assumptions behind the test are obsolete. > > > > Reported-by: Boaz Harrosh <[email protected]> > > Reported-by: Tigran Mkrtchyan <[email protected]> > > Signed-off-by: Trond Myklebust <[email protected]> > > Signed-off-by: Greg Kroah-Hartman <[email protected]> > [...] > > The upstream commit has: > > Cc: [email protected] [>=3.5] > > and so I ignored it for 3.2. Is it actually needed for the earlier > stable series?
Crud, I missed that somehow :( Trond, should I revert this in 3.0 and 3.4 stable kernels? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
