Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3a498026eef9603c14037e73a4a94cfdb2fa44eb
Commit:     3a498026eef9603c14037e73a4a94cfdb2fa44eb
Parent:     bfc69a456642a51c89dfd8e5184468857cb44f32
Author:     Trond Myklebust <[EMAIL PROTECTED]>
AuthorDate: Fri Dec 14 14:56:04 2007 -0500
Committer:  Trond Myklebust <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 02:05:48 2008 -0500

    NFS: Clean up the nfs_client initialisation
    
    Signed-off-by: Trond Myklebust <[EMAIL PROTECTED]>
---
 fs/nfs/client.c |   51 +++++++++++++++++++++++++++++++--------------------
 1 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8b5f9b9..d7f6d50 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -93,22 +93,26 @@ struct rpc_program          nfsacl_program = {
 };
 #endif  /* CONFIG_NFS_V3_ACL */
 
+struct nfs_client_initdata {
+       const char *hostname;
+       const struct sockaddr_in *addr;
+       int version;
+};
+
 /*
  * Allocate a shared client record
  *
  * Since these are allocated/deallocated very rarely, we don't
  * bother putting them in a slab cache...
  */
-static struct nfs_client *nfs_alloc_client(const char *hostname,
-                                          const struct sockaddr_in *addr,
-                                          int nfsversion)
+static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata 
*cl_init)
 {
        struct nfs_client *clp;
 
        if ((clp = kzalloc(sizeof(*clp), GFP_KERNEL)) == NULL)
                goto error_0;
 
-       if (nfsversion == 4) {
+       if (cl_init->version == 4) {
                if (nfs_callback_up() < 0)
                        goto error_2;
                __set_bit(NFS_CS_CALLBACK, &clp->cl_res_state);
@@ -117,11 +121,11 @@ static struct nfs_client *nfs_alloc_client(const char 
*hostname,
        atomic_set(&clp->cl_count, 1);
        clp->cl_cons_state = NFS_CS_INITING;
 
-       clp->cl_nfsversion = nfsversion;
-       memcpy(&clp->cl_addr, addr, sizeof(clp->cl_addr));
+       clp->cl_nfsversion = cl_init->version;
+       memcpy(&clp->cl_addr, cl_init->addr, sizeof(clp->cl_addr));
 
-       if (hostname) {
-               clp->cl_hostname = kstrdup(hostname, GFP_KERNEL);
+       if (cl_init->hostname) {
+               clp->cl_hostname = kstrdup(cl_init->hostname, GFP_KERNEL);
                if (!clp->cl_hostname)
                        goto error_3;
        }
@@ -256,22 +260,20 @@ struct nfs_client *nfs_find_client(const struct 
sockaddr_in *addr, int nfsversio
  * Look up a client by IP address and protocol version
  * - creates a new record if one doesn't yet exist
  */
-static struct nfs_client *nfs_get_client(const char *hostname,
-                                        const struct sockaddr_in *addr,
-                                        int nfsversion)
+static struct nfs_client *nfs_get_client(const struct nfs_client_initdata 
*cl_init)
 {
        struct nfs_client *clp, *new = NULL;
        int error;
 
        dprintk("--> nfs_get_client(%s,"NIPQUAD_FMT":%d,%d)\n",
-               hostname ?: "", NIPQUAD(addr->sin_addr),
-               addr->sin_port, nfsversion);
+               cl_init->hostname ?: "", NIPQUAD(cl_init->addr->sin_addr),
+               cl_init->addr->sin_port, cl_init->version);
 
        /* see if the client already exists */
        do {
                spin_lock(&nfs_client_lock);
 
-               clp = __nfs_find_client(addr, nfsversion, 1);
+               clp = __nfs_find_client(cl_init->addr, cl_init->version, 1);
                if (clp)
                        goto found_client;
                if (new)
@@ -279,7 +281,7 @@ static struct nfs_client *nfs_get_client(const char 
*hostname,
 
                spin_unlock(&nfs_client_lock);
 
-               new = nfs_alloc_client(hostname, addr, nfsversion);
+               new = nfs_alloc_client(cl_init);
        } while (new);
 
        return ERR_PTR(-ENOMEM);
@@ -540,19 +542,23 @@ error:
 static int nfs_init_server(struct nfs_server *server,
                           const struct nfs_parsed_mount_data *data)
 {
+       struct nfs_client_initdata cl_init = {
+               .hostname = data->nfs_server.hostname,
+               .addr = &data->nfs_server.address,
+               .version = 2,
+       };
        struct nfs_client *clp;
-       int error, nfsvers = 2;
+       int error;
 
        dprintk("--> nfs_init_server()\n");
 
 #ifdef CONFIG_NFS_V3
        if (data->flags & NFS_MOUNT_VER3)
-               nfsvers = 3;
+               cl_init.version = 3;
 #endif
 
        /* Allocate or find a client reference we can use */
-       clp = nfs_get_client(data->nfs_server.hostname,
-                               &data->nfs_server.address, nfsvers);
+       clp = nfs_get_client(&cl_init);
        if (IS_ERR(clp)) {
                dprintk("<-- nfs_init_server() = error %ld\n", PTR_ERR(clp));
                return PTR_ERR(clp);
@@ -889,13 +895,18 @@ static int nfs4_set_client(struct nfs_server *server,
                rpc_authflavor_t authflavour,
                int proto, int timeo, int retrans)
 {
+       struct nfs_client_initdata cl_init = {
+               .hostname = hostname,
+               .addr = addr,
+               .version = 4,
+       };
        struct nfs_client *clp;
        int error;
 
        dprintk("--> nfs4_set_client()\n");
 
        /* Allocate or find a client reference we can use */
-       clp = nfs_get_client(hostname, addr, 4);
+       clp = nfs_get_client(&cl_init);
        if (IS_ERR(clp)) {
                error = PTR_ERR(clp);
                goto error;
-
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