diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-07 13:19:59 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-10 23:40:42 -0400 |
| commit | 3e309914a15333a5493058e4927e979c7434ae44 (patch) | |
| tree | c9f5a86c7088313cf2c0648e313e4e918b4189d1 /fs/nfs | |
| parent | 1b370bc28f90955bccda8be5e7d7047ad1381da7 (diff) | |
| download | lwn-3e309914a15333a5493058e4927e979c7434ae44.tar.gz lwn-3e309914a15333a5493058e4927e979c7434ae44.zip | |
NFSv4: Clean up _nfs4_proc_open()
Use a flag instead of the 'data->rpc_status = -ENOMEM hack.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 52ba7630794c..05afb7ba3bc4 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -226,6 +226,7 @@ struct nfs4_opendata { struct nfs4_state_owner *owner; struct iattr attrs; unsigned long timestamp; + unsigned int rpc_done : 1; int rpc_status; int cancelled; }; @@ -620,6 +621,7 @@ static void nfs4_open_confirm_done(struct rpc_task *task, void *calldata) memcpy(data->o_res.stateid.data, data->c_res.stateid.data, sizeof(data->o_res.stateid.data)); renew_lease(data->o_res.server, data->timestamp); + data->rpc_done = 1; } nfs_confirm_seqid(&data->owner->so_seqid, data->rpc_status); nfs_increment_open_seqid(data->rpc_status, data->c_arg.seqid); @@ -634,7 +636,7 @@ static void nfs4_open_confirm_release(void *calldata) if (data->cancelled == 0) goto out_free; /* In case of error, no cleanup! */ - if (data->rpc_status != 0) + if (!data->rpc_done) goto out_free; nfs_confirm_seqid(&data->owner->so_seqid, 0); state = nfs4_opendata_to_nfs4_state(data); @@ -660,11 +662,8 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) int status; kref_get(&data->kref); - /* - * If rpc_run_task() ends up calling ->rpc_release(), we - * want to ensure that it takes the 'error' code path. - */ - data->rpc_status = -ENOMEM; + data->rpc_done = 0; + data->rpc_status = 0; task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_open_confirm_ops, data); if (IS_ERR(task)) return PTR_ERR(task); @@ -725,6 +724,7 @@ static void nfs4_open_done(struct rpc_task *task, void *calldata) nfs_confirm_seqid(&data->owner->so_seqid, 0); } nfs_increment_open_seqid(data->rpc_status, data->o_arg.seqid); + data->rpc_done = 1; } static void nfs4_open_release(void *calldata) @@ -736,7 +736,7 @@ static void nfs4_open_release(void *calldata) if (data->cancelled == 0) goto out_free; /* In case of error, no cleanup! */ - if (data->rpc_status != 0) + if (data->rpc_status != 0 || !data->rpc_done) goto out_free; /* In case we need an open_confirm, no cleanup! */ if (data->o_res.rflags & NFS4_OPEN_RESULT_CONFIRM) @@ -768,11 +768,8 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) int status; kref_get(&data->kref); - /* - * If rpc_run_task() ends up calling ->rpc_release(), we - * want to ensure that it takes the 'error' code path. - */ - data->rpc_status = -ENOMEM; + data->rpc_done = 0; + data->rpc_status = 0; data->cancelled = 0; task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_open_ops, data); if (IS_ERR(task)) @@ -784,7 +781,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) } else status = data->rpc_status; rpc_put_task(task); - if (status != 0) + if (status != 0 || !data->rpc_done) return status; if (o_arg->open_flags & O_CREAT) { |