diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-08-23 11:19:33 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-24 10:07:36 +0200 |
| commit | ab8cf653505e6f9194b7be41388941dcc7560ef9 (patch) | |
| tree | 1edf5b64a00d7936a109e5bbb89eca58988f35ed | |
| parent | a37004d339b848e987f2f0119e537a8ba8ffe285 (diff) | |
pNFS: The client must not do I/O to the DS if it's lease has expired
commit b88fa69eaa8649f11828158c7b65c4bcd886ebd5 upstream.
Ensure that the client conforms to the normative behaviour described in
RFC5661 Section 12.7.2: "If a client believes its lease has expired,
it MUST NOT send I/O to the storage device until it has validated its
lease."
So ensure that we wait for the lease to be validated before using
the layout.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/nfs/pnfs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index bec0384499f7..ae340aca84c1 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1530,6 +1530,7 @@ pnfs_update_layout(struct inode *ino, goto out; lookup_again: + nfs4_client_recover_expired_lease(clp); first = false; spin_lock(&ino->i_lock); lo = pnfs_find_alloc_layout(ino, ctx, gfp_flags); |