Commit 61296507 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: Avoid referencing the cred unnecessarily during NFSv4 I/O 



Avoid unnecessary references to the cred when we have already referenced
it through the open context or the open owner.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 542b994b

fs/nfs/nfs4proc.c

+5 −5
Original line number Diff line number Diff line
@@ -2346,7 +2346,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) 
		.callback_ops = &nfs4_open_confirm_ops,

		.callback_data = data,

		.workqueue = nfsiod_workqueue,

		.flags = RPC_TASK_ASYNC,

		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF,

	};

	int status;
@@ -2511,7 +2511,7 @@ static int nfs4_run_open_task(struct nfs4_opendata *data, 
		.callback_ops = &nfs4_open_ops,

		.callback_data = data,

		.workqueue = nfsiod_workqueue,

		.flags = RPC_TASK_ASYNC,

		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF,

	};

	int status;
@@ -3651,7 +3651,7 @@ int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait) 
		.rpc_message = &msg,

		.callback_ops = &nfs4_close_ops,

		.workqueue = nfsiod_workqueue,

		.flags = RPC_TASK_ASYNC,

		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF,

	};

	int status = -ENOMEM;
@@ -6350,7 +6350,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, 
		.rpc_client = server->client,

		.rpc_message = &msg,

		.callback_ops = &nfs4_delegreturn_ops,

		.flags = RPC_TASK_ASYNC | RPC_TASK_TIMEOUT,

		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | RPC_TASK_TIMEOUT,

	};

	int status = 0;
@@ -6933,7 +6933,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f 
		.rpc_message = &msg,

		.callback_ops = &nfs4_lock_ops,

		.workqueue = nfsiod_workqueue,

		.flags = RPC_TASK_ASYNC,

		.flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF,

	};

	int ret;