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authorTom Talpey <tmtalpey@gmail.com>2009-03-11 14:37:56 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-03-11 14:37:56 -0400
commita67d18f89f5782806135aad4ee012ff78d45aae7 (patch)
tree8ee9712d4217d585199a95da7388dd0761c3e32d /fs/nfs
parent441e3e242903f9b190d5764bed73edb58f977413 (diff)
NFS: load the rpc/rdma transport module automatically
When mounting an NFS/RDMA server with the "-o proto=rdma" or "-o rdma" options, attempt to dynamically load the necessary "xprtrdma" client transport module. Doing so improves usability, while avoiding a static module dependency and any unnecesary resources. Signed-off-by: Tom Talpey <tmtalpey@gmail.com> Cc: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/super.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index d6686f4786d..0942fcbbad3 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1018,6 +1018,7 @@ static int nfs_parse_mount_options(char *raw,
case Opt_rdma:
mnt->flags |= NFS_MOUNT_TCP; /* for side protocols */
mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA;
+ xprt_load_transport(p);
break;
case Opt_acl:
mnt->flags &= ~NFS_MOUNT_NOACL;
@@ -1205,12 +1206,14 @@ static int nfs_parse_mount_options(char *raw,
/* vector side protocols to TCP */
mnt->flags |= NFS_MOUNT_TCP;
mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA;
+ xprt_load_transport(string);
break;
default:
errors++;
dfprintk(MOUNT, "NFS: unrecognized "
"transport protocol\n");
}
+ kfree(string);
break;
case Opt_mountproto:
string = match_strdup(args);
@@ -1218,7 +1221,6 @@ static int nfs_parse_mount_options(char *raw,
goto out_nomem;
token = match_token(string,
nfs_xprt_protocol_tokens, args);
- kfree(string);
switch (token) {
case Opt_xprt_udp: