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authorAndy Adamson <andros@netapp.com>2011-03-03 15:13:41 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-11 15:38:43 -0500
commitd138d5d17be6a60d883e8bd4e22bc218d3adfab3 (patch)
tree157dcb197e44823b0dc7500b9ba5f691b536402c /fs/nfs
parent80fe2b192dbc53261e385dc26d90f5195f1c62e7 (diff)
NFSv4.1: rearrange nfs_write_rpcsetup
Reorder nfs_write_rpcsetup, preparing for a pnfs entry point. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/write.c82
1 files changed, 46 insertions, 36 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f033fa0d7d3..ae035990941 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -782,25 +782,21 @@ static int flush_task_priority(int how)
return RPC_PRIORITY_NORMAL;
}
-/*
- * Set up the argument/result storage required for the RPC call.
- */
-static int nfs_write_rpcsetup(struct nfs_page *req,
- struct nfs_write_data *data,
- const struct rpc_call_ops *call_ops,
- unsigned int count, unsigned int offset,
- int how)
+static int nfs_initiate_write(struct nfs_write_data *data,
+ struct rpc_clnt *clnt,
+ const struct rpc_call_ops *call_ops,
+ int how)
{
- struct inode *inode = req->wb_context->path.dentry->d_inode;
+ struct inode *inode = data->inode;
int priority = flush_task_priority(how);
struct rpc_task *task;
struct rpc_message msg = {
.rpc_argp = &data->args,
.rpc_resp = &data->res,
- .rpc_cred = req->wb_context->cred,
+ .rpc_cred = data->cred,
};
struct rpc_task_setup task_setup_data = {
- .rpc_client = NFS_CLIENT(inode),
+ .rpc_client = clnt,
.task = &data->task,
.rpc_message = &msg,
.callback_ops = call_ops,
@@ -811,12 +807,49 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
};
int ret = 0;
+ /* Set up the initial task struct. */
+ NFS_PROTO(inode)->write_setup(data, &msg);
+
+ dprintk("NFS: %5u initiated write call "
+ "(req %s/%lld, %u bytes @ offset %llu)\n",
+ data->task.tk_pid,
+ inode->i_sb->s_id,
+ (long long)NFS_FILEID(inode),
+ data->args.count,
+ (unsigned long long)data->args.offset);
+
+ task = rpc_run_task(&task_setup_data);
+ if (IS_ERR(task)) {
+ ret = PTR_ERR(task);
+ goto out;
+ }
+ if (how & FLUSH_SYNC) {
+ ret = rpc_wait_for_completion_task(task);
+ if (ret == 0)
+ ret = task->tk_status;
+ }
+ rpc_put_task(task);
+out:
+ return ret;
+}
+
+/*
+ * Set up the argument/result storage required for the RPC call.
+ */
+static int nfs_write_rpcsetup(struct nfs_page *req,
+ struct nfs_write_data *data,
+ const struct rpc_call_ops *call_ops,
+ unsigned int count, unsigned int offset,
+ int how)
+{
+ struct inode *inode = req->wb_context->path.dentry->d_inode;
+
/* Set up the RPC argument and reply structs
* NB: take care not to mess about with data->commit et al. */
data->req = req;
data->inode = inode = req->wb_context->path.dentry->d_inode;
- data->cred = msg.rpc_cred;
+ data->cred = req->wb_context->cred;
data->args.fh = NFS_FH(inode);
data->args.offset = req_offset(req) + offset;
@@ -837,30 +870,7 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
data->res.verf = &data->verf;
nfs_fattr_init(&data->fattr);
- /* Set up the initial task struct. */
- NFS_PROTO(inode)->write_setup(data, &msg);
-
- dprintk("NFS: %5u initiated write call "
- "(req %s/%lld, %u bytes @ offset %llu)\n",
- data->task.tk_pid,
- inode->i_sb->s_id,
- (long long)NFS_FILEID(inode),
- count,
- (unsigned long long)data->args.offset);
-
- task = rpc_run_task(&task_setup_data);
- if (IS_ERR(task)) {
- ret = PTR_ERR(task);
- goto out;
- }
- if (how & FLUSH_SYNC) {
- ret = rpc_wait_for_completion_task(task);
- if (ret == 0)
- ret = task->tk_status;
- }
- rpc_put_task(task);
-out:
- return ret;
+ return nfs_initiate_write(data, NFS_CLIENT(inode), call_ops, how);
}
/* If a nfs_flush_* function fails, it should remove reqs from @head and