From: Trond Myklebust <trond.myklebust@hammerspace.com>
Date: Mon, 21 Oct 2019 18:17:34 +0000 (-0400)
Subject: NFSv4: Clear the NFS_DELEGATION_REVOKED flag in nfs_update_inplace_delegation()
X-Git-Tag: v5.10.7~3675^2~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ae084a32ee9230ca78c88d646efa0157b2dbca29;p=platform%2Fkernel%2Flinux-rpi.git

NFSv4: Clear the NFS_DELEGATION_REVOKED flag in nfs_update_inplace_delegation()

If the server sent us a new delegation stateid that is more recent than
the one that got revoked, then clear the NFS_DELEGATION_REVOKED flag.

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

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 7ebeb57..a0f798d 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -343,6 +343,7 @@ nfs_update_inplace_delegation(struct nfs_delegation *delegation,
 		delegation->stateid.seqid = update->stateid.seqid;
 		smp_wmb();
 		delegation->type = update->type;
+		clear_bit(NFS_DELEGATION_REVOKED, &delegation->flags);
 	}
 }