nfs: move server_authlist into nfs_try_mount_request

In a later patch we're going to want to cycle over this list and attempt
to call ->create_server for each different flavor until one succeeds.
Move the list allocation to the stack of nfs_try_mount_request() and
pass a pointer to it and its length to nfs_request_mount().

Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index afeee810f453..a0949f5c00ba 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1701,10 +1701,10 @@ out_err:
  * corresponding to the provided path.
  */
 static int nfs_request_mount(struct nfs_parsed_mount_data *args,
-                             struct nfs_fh *root_fh)
+                             struct nfs_fh *root_fh,
+                             rpc_authflavor_t *server_authlist,
+                             unsigned int *server_authlist_len)
 {
-        rpc_authflavor_t server_authlist[NFS_MAX_SECFLAVORS];
-        unsigned int server_authlist_len = ARRAY_SIZE(server_authlist);
         struct nfs_mount_request request = {
                 .sap            = (struct sockaddr *)
                                                 &args->mount_server.address,
@@ -1712,7 +1712,7 @@ static int nfs_request_mount(struct nfs_parsed_mount_data *args,
                 .protocol       = args->mount_server.protocol,
                 .fh             = root_fh,
                 .noresvport     = args->flags & NFS_MOUNT_NORESVPORT,
-                .auth_flav_len  = &server_authlist_len,
+                .auth_flav_len  = server_authlist_len,
                 .auth_flavs     = server_authlist,
                 .net            = args->net,
         };
@@ -1763,8 +1763,12 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf
                                         struct nfs_subversion *nfs_mod)
 {
         int status;
+        struct nfs_parsed_mount_data *args = mount_info->parsed;
+        rpc_authflavor_t authlist[NFS_MAX_SECFLAVORS];
+        unsigned int authlist_len = ARRAY_SIZE(authlist);
 
-        status = nfs_request_mount(mount_info->parsed, mount_info->mntfh);
+        status = nfs_request_mount(args, mount_info->mntfh, authlist,
+                                        &authlist_len);
         if (status)
                 return ERR_PTR(status);