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[7/8] NFS: Avoid referencing the cred twice in async rename/unlink

Message ID 20200210191345.557460-8-trond.myklebust@hammerspace.com (mailing list archive)
State New, archived
Headers show
Series Reduce the refcount pressure of NFS on struct cred | expand

Commit Message

Trond Myklebust Feb. 10, 2020, 7:13 p.m. UTC 
In both async rename and rename, we take a reference to the
cred in the call arguments.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/unlink.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 0effeee28352..b27ebdccef70 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -98,7 +98,7 @@  static void nfs_do_call_unlink(struct inode *inode, struct nfs_unlinkdata *data)
 		.callback_ops = &nfs_unlink_ops,
 		.callback_data = data,
 		.workqueue = nfsiod_workqueue,
-		.flags = RPC_TASK_ASYNC,
+		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF,
 	};
 	struct rpc_task *task;
 	struct inode *dir = d_inode(data->dentry->d_parent);
@@ -341,7 +341,7 @@  nfs_async_rename(struct inode *old_dir, struct inode *new_dir,
 		.callback_ops = &nfs_rename_ops,
 		.workqueue = nfsiod_workqueue,
 		.rpc_client = NFS_CLIENT(old_dir),
-		.flags = RPC_TASK_ASYNC,
+		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF,
 	};
 
 	data = kzalloc(sizeof(*data), GFP_KERNEL);