[2/5] NFS: Clear NFS_DELEGATION_RETURN_IF_CLOSED when the delegation is returned
diff mbox series

Message ID 20200127145819.350982-3-trond.myklebust@hammerspace.com
State New
Headers show
Series
  • Fix up delegation management
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Commit Message

Trond Myklebust Jan. 27, 2020, 2:58 p.m. UTC
If a delegation is marked as needing to be returned when the file is
closed, then don't clear that marking until we're ready to return
it.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/delegation.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Patch
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diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index a7e42725c3b1..b5b14618b73e 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -479,7 +479,7 @@  static bool nfs_delegation_need_return(struct nfs_delegation *delegation)
 
 	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) {
+	else if (test_bit(NFS_DELEGATION_RETURN_IF_CLOSED, &delegation->flags)) {
 		struct inode *inode;
 
 		spin_lock(&delegation->lock);
@@ -488,6 +488,8 @@  static bool nfs_delegation_need_return(struct nfs_delegation *delegation)
 			ret = true;
 		spin_unlock(&delegation->lock);
 	}
+	if (ret)
+		clear_bit(NFS_DELEGATION_RETURN_IF_CLOSED, &delegation->flags);
 	if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags) ||
 	    test_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
 		ret = false;