Commit ab8cf653 authored by Trond Myklebust's avatar Trond Myklebust Committed by Greg Kroah-Hartman

pNFS: The client must not do I/O to the DS if it's lease has expired

commit b88fa69e 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: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a37004d3
......@@ -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);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment