resending.
On Sun, Nov 29, 2015 at 10:47:04PM +0100, Willy Tarreau wrote: > 2.6.32-longterm review patch. If anyone has any objections, please let me > know. > > ------------------ > > commit a41cbe86df3afbc82311a1640e20858c0cd7e065 upstream. > > A test case is as the description says: > open(foobar, O_WRONLY); > sleep() --> reboot the server > close(foobar) > > The bug is because in nfs4state.c in nfs4_reclaim_open_state() a few > line before going to restart, there is > clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &state->flags). > > NFS4CLNT_RECLAIM_NOGRACE is a flag for the client states not open > owner states. Value of NFS4CLNT_RECLAIM_NOGRACE is 4 which is the > value of NFS_O_WRONLY_STATE in nfs4_state->flags. So clearing it wipes > out state and when we go to close it, âcall_closeâ doesnât get set as > state flag is not set and CLOSE doesnât go on the wire. > > Signed-off-by: Olga Kornievskaia <a...@umich.edu> > Signed-off-by: Trond Myklebust <trond.mykleb...@primarydata.com> > Signed-off-by: Willy Tarreau <w...@1wt.eu> > --- > fs/nfs/nfs4state.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c > index 71ee6f6..614446b 100644 > --- a/fs/nfs/nfs4state.c > +++ b/fs/nfs/nfs4state.c > @@ -929,7 +929,7 @@ restart: > __func__); > } > nfs4_put_open_state(state); > - clear_bit(NFS4CLNT_RECLAIM_NOGRACE, > + clear_bit(NFS_STATE_RECLAIM_NOGRACE, > &state->flags); > goto restart; > } > -- > 1.7.12.2.21.g234cd45.dirty > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
