NFS: introduce nfs_mount_info struct for calling nfs_mount()

Clean up: convert nfs_mount() to take a single data structure argument to make
it simpler to add more arguments.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 12 insertions, 18 deletions

diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 086a6830d785..7e37113d37e3 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -29,33 +29,26 @@ struct mnt_fhstatus {
 
 /**
  * nfs_mount - Obtain an NFS file handle for the given host and path
- * @addr: pointer to server's address
- * @len: size of server's address
- * @hostname: name of server host, or NULL
- * @path: pointer to string containing export path to mount
- * @version: mount version to use for this request
- * @protocol: transport protocol to use for thie request
- * @fh: pointer to location to place returned file handle
+ * @info: pointer to mount request arguments
  *
  * Uses default timeout parameters specified by underlying transport.
  */
-int nfs_mount(struct sockaddr *addr, size_t len, char *hostname, char *path,
-              int version, int protocol, struct nfs_fh *fh)
+int nfs_mount(struct nfs_mount_request *info)
 {
         struct mnt_fhstatus     result = {
-                .fh             = fh
+                .fh             = info->fh
         };
         struct rpc_message msg  = {
-                .rpc_argp       = path,
+                .rpc_argp       = info->dirpath,
                 .rpc_resp       = &result,
         };
         struct rpc_create_args args = {
-                .protocol       = protocol,
-                .address        = addr,
-                .addrsize       = len,
-                .servername     = hostname,
+                .protocol       = info->protocol,
+                .address        = info->sap,
+                .addrsize       = info->salen,
+                .servername     = info->hostname,
                 .program        = &mnt_program,
-                .version        = version,
+                .version        = info->version,
                 .authflavor     = RPC_AUTH_UNIX,
                 .flags          = 0,
         };
@@ -63,13 +56,14 @@ int nfs_mount(struct sockaddr *addr, size_t len, char *hostname, char *path,
         int                     status;
 
         dprintk("NFS: sending MNT request for %s:%s\n",
-                (hostname ? hostname : "server"), path);
+                (info->hostname ? info->hostname : "server"),
+                        info->dirpath);
 
         mnt_clnt = rpc_create(&args);
         if (IS_ERR(mnt_clnt))
                 goto out_clnt_err;
 
-        if (version == NFS_MNT3_VERSION)
+        if (info->version == NFS_MNT3_VERSION)
                 msg.rpc_proc = &mnt_clnt->cl_procinfo[MOUNTPROC3_MNT];
         else
                 msg.rpc_proc = &mnt_clnt->cl_procinfo[MNTPROC_MNT];