NFSv4: Don't reclaim delegations that have been returned or revoked

If the delegation has already been revoked, we want to avoid reclaiming
it on reboot.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index ebd83e4..78df1cd 100644 (file)
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -199,7 +199,7 @@ void nfs_inode_reclaim_delegation(struct inode *inode, const struct cred *cred,
        delegation = rcu_dereference(NFS_I(inode)->delegation);
        if (delegation != NULL) {
                spin_lock(&delegation->lock);
-               if (delegation->inode != NULL) {
+               if (nfs4_is_valid_delegation(delegation, 0)) {
                        nfs4_stateid_copy(&delegation->stateid, stateid);
                        delegation->type = type;
                        delegation->pagemod_limit = pagemod_limit;