Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=04dcd6e3aceedff9fcc96ce3014688d5b642d627
Commit:     04dcd6e3aceedff9fcc96ce3014688d5b642d627
Parent:     cdcd7f9abc8c95524376835fbe8e11c5f7bf588e
Author:     Chuck Lever <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 10 14:57:53 2007 -0500
Committer:  Trond Myklebust <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 02:05:53 2008 -0500

    NFS: Make setting a port number agostic
    
    We'll need to set the port number of an AF_INET or AF_INET6 address in
    several places in fs/nfs/super.c, so introduce a helper that can manage
    this for us.  We put this helper to immediate use.
    
    Signed-off-by: Chuck Lever <[EMAIL PROTECTED]>
    Signed-off-by: Trond Myklebust <[EMAIL PROTECTED]>
---
 fs/nfs/super.c |   26 ++++++++++++++++++++++++--
 1 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 038b20b..ef1aad7 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -600,6 +600,25 @@ static void nfs_umount_begin(struct vfsmount *vfsmnt, int 
flags)
 }
 
 /*
+ * Set the port number in an address.  Be agnostic about the address family.
+ */
+static void nfs_set_port(struct sockaddr *sap, unsigned short port)
+{
+       switch (sap->sa_family) {
+       case AF_INET: {
+               struct sockaddr_in *ap = (struct sockaddr_in *)sap;
+               ap->sin_port = htons(port);
+               break;
+       }
+       case AF_INET6: {
+               struct sockaddr_in6 *ap = (struct sockaddr_in6 *)sap;
+               ap->sin6_port = htons(port);
+               break;
+       }
+       }
+}
+
+/*
  * Sanity-check a server address provided by the mount command.
  *
  * Address family must be initialized, and address must not be
@@ -629,6 +648,7 @@ static int nfs_parse_mount_options(char *raw,
                                   struct nfs_parsed_mount_data *mnt)
 {
        char *p, *string;
+       unsigned short port = 0;
 
        if (!raw) {
                dfprintk(MOUNT, "NFS: mount options string was NULL.\n");
@@ -731,7 +751,7 @@ static int nfs_parse_mount_options(char *raw,
                                return 0;
                        if (option < 0 || option > 65535)
                                return 0;
-                       mnt->nfs_server.address.sin_port = htons(option);
+                       port = option;
                        break;
                case Opt_rsize:
                        if (match_int(args, &mnt->rsize))
@@ -973,6 +993,8 @@ static int nfs_parse_mount_options(char *raw,
                }
        }
 
+       nfs_set_port((struct sockaddr *)&mnt->nfs_server.address, port);
+
        return 1;
 
 out_nomem:
@@ -1023,7 +1045,7 @@ static int nfs_try_mount(struct nfs_parsed_mount_data 
*args,
        /*
         * autobind will be used if mount_server.port == 0
         */
-       sin.sin_port = htons(args->mount_server.port);
+       nfs_set_port((struct sockaddr *)&sin, args->mount_server.port);
 
        /*
         * Now ask the mount server to map our export path
-
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