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

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

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-02-07 19:38:12 -05:00
parent 542b994bdb
commit 6129650720
1 changed files with 5 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

10
fs/nfs/nfs4proc.c
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@ -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;