From af20b7b850c5786979f773ba25dab70c85914466 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 22 Oct 2019 13:40:47 -0400 Subject: [PATCH] NFSv4: Ignore requests to return the delegation if it was revoked If the delegation was revoked, or is already being returned, just clear the NFS_DELEGATION_RETURN and NFS_DELEGATION_RETURN_IF_CLOSED flags and keep going. Signed-off-by: Trond Myklebust --- fs/nfs/delegation.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 8c176c921554..ebd83e4db300 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -476,8 +476,6 @@ static bool nfs_delegation_need_return(struct nfs_delegation *delegation) { bool ret = false; - if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) - goto out; if (test_and_clear_bit(NFS_DELEGATION_RETURN, &delegation->flags)) ret = true; if (test_and_clear_bit(NFS_DELEGATION_RETURN_IF_CLOSED, &delegation->flags) && !ret) { @@ -489,7 +487,10 @@ static bool nfs_delegation_need_return(struct nfs_delegation *delegation) ret = true; spin_unlock(&delegation->lock); } -out: + if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags) || + test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) + ret = false; + return ret; }