/*
* Get the NFS port numbers and file handle, and return the prepared 'data'
* argument for ->read_super() if everything went OK. Return NULL otherwise.
*/
void * __init nfs_root_data(void)
{
if (root_nfs_init() < 0
|| root_nfs_ports() < 0
|| root_nfs_get_handle() < 0)
return NULL;
set_sockaddr((struct sockaddr_in *) &nfs_data.addr, servaddr, nfs_port);
return (void*)&nfs_data;
}
/*
* Get a file handle from the server for the directory which is to be
* mounted.
*/
static int __init root_nfs_get_handle(void)
{
struct sockaddr_in sin;
unsigned int auth_flav_len = 0;
struct nfs_mount_request request = {
.sap = (struct sockaddr *)&sin,
.salen = sizeof(sin),
.dirpath = nfs_export_path,
.version = (nfs_data.flags & NFS_MOUNT_VER3) ?
NFS_MNT3_VERSION : NFS_MNT_VERSION,
.protocol = (nfs_data.flags & NFS_MOUNT_TCP) ?
XPRT_TRANSPORT_TCP : XPRT_TRANSPORT_UDP,
.auth_flav_len = &auth_flav_len,
};
int status = -ENOMEM;
request.fh = nfs_alloc_fhandle();
if (!request.fh)
goto out;
set_sockaddr(&sin, servaddr, htons(mount_port));
status = nfs_mount(&request);
if (status < 0)
printk(KERN_ERR "Root-NFS: Server returned error %d "
"while mounting %s\n", status, nfs_export_path);
else {
nfs_data.root.size = request.fh->size;
memcpy(&nfs_data.root.data, request.fh->data, request.fh->size);
}
nfs_free_fhandle(request.fh);
out:
return status;
}
/*
* Get the NFS port numbers and file handle, and return the prepared 'data'
* argument for mount() if everything went OK. Return NULL otherwise.
*/
void * __init nfs_root_data(void)
{
if (root_nfs_init() < 0
|| root_nfs_ports() < 0
|| root_nfs_get_handle() < 0)
return NULL;
set_sockaddr((struct sockaddr_in *) &nfs_data.addr, servaddr, htons(nfs_port));
return (void*)&nfs_data;
}