NFSv4: Ensure the inode is clean when we set a delegation

If there are attributes that are still invalid when we set a delegation,
then we need to set the NFS_INO_REVAL_FORCED flag.

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

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 105b0f3..91c3737 100644 (file)
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -404,6 +404,10 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred,
 
        trace_nfs4_set_delegation(inode, type);
 
+       spin_lock(&inode->i_lock);
+       if (NFS_I(inode)->cache_validity & (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME))
+               NFS_I(inode)->cache_validity |= NFS_INO_REVAL_FORCED;
+       spin_unlock(&inode->i_lock);
 out:
        spin_unlock(&clp->cl_lock);
        if (delegation != NULL)