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 <[email protected]>
Cc: [email protected] # v3.20+
---
fs/nfs/pnfs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index bf98f1b2595f..6daf034645c8 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1555,6 +1555,7 @@ pnfs_update_layout(struct inode *ino,
}
lookup_again:
+ nfs4_client_recover_expired_lease(clp);
first = false;
spin_lock(&ino->i_lock);
lo = pnfs_find_alloc_layout(ino, ctx, gfp_flags);
--
2.7.4