Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0d0f0c192df0282600c6d11c8cc252e7e7a80afc
Commit:     0d0f0c192df0282600c6d11c8cc252e7e7a80afc
Parent:     04dcd6e3aceedff9fcc96ce3014688d5b642d627
Author:     Chuck Lever <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 10 14:58:00 2007 -0500
Committer:  Trond Myklebust <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 02:05:54 2008 -0500

    NFS: Set default port for NFSv4, with support for AF_INET6
    
    Create a helper function to set the default NFS port for NFSv4 mount
    points.  The helper supports both AF_INET and AF_INET6 family addresses.
    
    Signed-off-by: Chuck Lever <[EMAIL PROTECTED]>
    Signed-off-by: Trond Myklebust <[EMAIL PROTECTED]>
---
 fs/nfs/super.c |   32 ++++++++++++++++++++++++++++----
 1 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ef1aad7..a88697f 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1596,6 +1596,28 @@ static void nfs4_fill_super(struct super_block *sb)
 }
 
 /*
+ * If the user didn't specify a port, set the port number to
+ * the NFS version 4 default port.
+ */
+static void nfs4_default_port(struct sockaddr *sap)
+{
+       switch (sap->sa_family) {
+       case AF_INET: {
+               struct sockaddr_in *ap = (struct sockaddr_in *)sap;
+               if (ap->sin_port == 0)
+                       ap->sin_port = htons(NFS_PORT);
+               break;
+       }
+       case AF_INET6: {
+               struct sockaddr_in6 *ap = (struct sockaddr_in6 *)sap;
+               if (ap->sin6_port == 0)
+                       ap->sin6_port = htons(NFS_PORT);
+               break;
+       }
+       }
+}
+
+/*
  * Validate NFSv4 mount options
  */
 static int nfs4_validate_mount_data(void *options,
@@ -1628,12 +1650,13 @@ static int nfs4_validate_mount_data(void *options,
                                   data->host_addr,
                                   sizeof(args->nfs_server.address)))
                        return -EFAULT;
-               if (args->nfs_server.address.sin_port == 0)
-                       args->nfs_server.address.sin_port = htons(NFS_PORT);
                if (!nfs_verify_server_address((struct sockaddr *)
                                                &args->nfs_server.address))
                        goto out_no_address;
 
+               nfs4_default_port((struct sockaddr *)
+                                 &args->nfs_server.address);
+
                switch (data->auth_flavourlen) {
                case 0:
                        args->auth_flavors[0] = RPC_AUTH_UNIX;
@@ -1687,12 +1710,13 @@ static int nfs4_validate_mount_data(void *options,
                if (nfs_parse_mount_options((char *)options, args) == 0)
                        return -EINVAL;
 
-               if (args->nfs_server.address.sin_port == 0)
-                       args->nfs_server.address.sin_port = htons(NFS_PORT);
                if (!nfs_verify_server_address((struct sockaddr *)
                                                &args->nfs_server.address))
                        return -EINVAL;
 
+               nfs4_default_port((struct sockaddr *)
+                                 &args->nfs_server.address);
+
                switch (args->auth_flavor_len) {
                case 0:
                        args->auth_flavors[0] = RPC_AUTH_UNIX;
-
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