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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2010-02-18 08:27:24 -0800 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2010-04-02 16:28:11 -0400 |
| commit | 227f98d98d2ed7929f41426adc21f57b927354a6 (patch) | |
| tree | 8186b54a4f4e0cb5b3a7778f76854b00c7ce43db /fs/nfsd | |
| parent | 788e69e548cc8d127b90f0de1f7b7e983d1d587a (diff) | |
| download | lwn-227f98d98d2ed7929f41426adc21f57b927354a6.tar.gz lwn-227f98d98d2ed7929f41426adc21f57b927354a6.zip | |
nfsd4: preallocate nfs4_rpc_args
Instead of allocating this small structure, just include it in the
delegation.
The nfsd4_callback structure isn't really necessary yet, but we plan to
add to it all the information necessary to perform a callback.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 18 | ||||
| -rw-r--r-- | fs/nfsd/state.h | 10 |
2 files changed, 13 insertions, 15 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index ed12ad40828b..b99c3f0f1d35 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -78,11 +78,6 @@ enum nfs_cb_opnum4 { cb_sequence_dec_sz + \ op_dec_sz) -struct nfs4_rpc_args { - void *args_op; - struct nfsd4_cb_sequence args_seq; -}; - /* * Generic encode routines from fs/nfs/nfs4xdr.c */ @@ -676,7 +671,7 @@ static void nfsd4_cb_recall_done(struct rpc_task *task, void *calldata) break; default: /* success, or error we can't handle */ - goto done; + return; } if (dp->dl_retries--) { rpc_delay(task, 2*HZ); @@ -687,8 +682,6 @@ static void nfsd4_cb_recall_done(struct rpc_task *task, void *calldata) atomic_set(&clp->cl_cb_conn.cb_set, 0); warn_no_callback_path(clp, task->tk_status); } -done: - kfree(task->tk_msg.rpc_argp); } static void nfsd4_cb_recall_release(void *calldata) @@ -714,24 +707,19 @@ nfsd4_cb_recall(struct nfs4_delegation *dp) { struct nfs4_client *clp = dp->dl_client; struct rpc_clnt *clnt = clp->cl_cb_conn.cb_client; - struct nfs4_rpc_args *args; + struct nfs4_rpc_args *args = &dp->dl_recall.cb_args; struct rpc_message msg = { .rpc_proc = &nfs4_cb_procedures[NFSPROC4_CLNT_CB_RECALL], .rpc_cred = callback_cred }; - int status = -ENOMEM; + int status; - args = kzalloc(sizeof(*args), GFP_KERNEL); - if (!args) - goto out; args->args_op = dp; msg.rpc_argp = args; dp->dl_retries = 1; status = rpc_call_async(clnt, &msg, RPC_TASK_SOFT, &nfsd4_cb_recall_ops, dp); -out: if (status) { - kfree(args); put_nfs4_client(clp); nfs4_put_delegation(dp); } diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index fefeae27f25e..b85437982a8d 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -70,6 +70,15 @@ struct nfsd4_cb_sequence { struct nfs4_client *cbs_clp; }; +struct nfs4_rpc_args { + void *args_op; + struct nfsd4_cb_sequence args_seq; +}; + +struct nfsd4_callback { + struct nfs4_rpc_args cb_args; +}; + struct nfs4_delegation { struct list_head dl_perfile; struct list_head dl_perclnt; @@ -86,6 +95,7 @@ struct nfs4_delegation { stateid_t dl_stateid; struct knfsd_fh dl_fh; int dl_retries; + struct nfsd4_callback dl_recall; }; /* client delegation callback info */ |