Re: [PATCH Version 2 1/1] NFSv4.1 set the cl_hostname for data servers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 2012-02-16 at 16:10 -0500, andros@xxxxxxxxxx wrote:
> From: Andy Adamson <andros@xxxxxxxxxx>
> 
> Used by /proc/fs/nfsfs/servers
> 
> Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
> ---
>  fs/nfs/client.c            |    3 ++-
>  fs/nfs/internal.h          |    3 ++-
>  fs/nfs/nfs4filelayoutdev.c |   11 ++++++++++-
>  3 files changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/nfs/client.c b/fs/nfs/client.c
> index d0f850f..c625284 100644
> --- a/fs/nfs/client.c
> +++ b/fs/nfs/client.c
> @@ -1443,7 +1443,7 @@ error:
>   */
>  struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
>  		const struct sockaddr *ds_addr,
> -		int ds_addrlen, int ds_proto)
> +		int ds_addrlen, int ds_proto, char *ds_hostname)

Can you make this (and the other instances below) 'const char *', so
that we avoid any confusion? Otherwise it looks more or less OK...

Note that we should consider splitting da->da_remotestr into a
hostname/port part at some point so that we avoid the copy below.

>  {
>  	struct nfs_client_initdata cl_init = {
>  		.addr = ds_addr,
> @@ -1452,6 +1452,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
>  		.proto = ds_proto,
>  		.minorversion = mds_clp->cl_minorversion,
>  		.net = mds_clp->net,
> +		.hostname = ds_hostname,
>  	};
>  	struct rpc_timeout ds_timeout = {
>  		.to_initval = 15 * HZ,
> diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
> index 0c3648a..b870695 100644
> --- a/fs/nfs/internal.h
> +++ b/fs/nfs/internal.h
> @@ -170,7 +170,8 @@ extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
>  extern int nfs4_check_client_ready(struct nfs_client *clp);
>  extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
>  					     const struct sockaddr *ds_addr,
> -					     int ds_addrlen, int ds_proto);
> +					     int ds_addrlen, int ds_proto,
> +					     char *ds_hostname);
>  #ifdef CONFIG_PROC_FS
>  extern int __init nfs_fs_proc_init(void);
>  extern void nfs_fs_proc_exit(void);
> diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
> index 41677f0..a0b1fc5 100644
> --- a/fs/nfs/nfs4filelayoutdev.c
> +++ b/fs/nfs/nfs4filelayoutdev.c
> @@ -153,6 +153,7 @@ nfs4_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds)
>  {
>  	struct nfs_client *clp = ERR_PTR(-EIO);
>  	struct nfs4_pnfs_ds_addr *da;
> +	char *ds_hostname = NULL;
>  	int status = 0;
>  
>  	dprintk("--> %s DS %s au_flavor %d\n", __func__, ds->ds_remotestr,
> @@ -164,9 +165,17 @@ nfs4_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds)
>  		dprintk("%s: DS %s: trying address %s\n",
>  			__func__, ds->ds_remotestr, da->da_remotestr);
>  
> +		/* For debug: OK if ds_remotestr or ds_hostname is NULL */
> +		if (da->da_remotestr) {
> +			char *end = strchr(da->da_remotestr, ':');
> +			ds_hostname = kstrndup(da->da_remotestr,
> +					       end - da->da_remotestr,
> +					       GFP_KERNEL);
> +		}
>  		clp = nfs4_set_ds_client(mds_srv->nfs_client,
>  				 (struct sockaddr *)&da->da_addr,
> -				 da->da_addrlen, IPPROTO_TCP);
> +				 da->da_addrlen, IPPROTO_TCP, ds_hostname);
> +		kfree(ds_hostname);
>  		if (!IS_ERR(clp))
>  			break;
>  	}

-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com

��.n��������+%������w��{.n�����{��w���jg��������ݢj����G�������j:+v���w�m������w�������h�����٥



[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux