From: Chuck Lever Date: Mon, 10 Dec 2007 14:58:15 -0500 NFS: Expand server address storage in nfs_client struct Prepare for managing larger addresses in the NFS client by widening the nfs_client struct's cl_addr field. Signed-off-by: Chuck Lever Cc: Aurelien Charbon (Modified to work with the new parameters for nfs_alloc_client) Signed-off-by: Trond Myklebust --- fs/nfs/client.c | 8 ++++++-- include/linux/nfs_fs_sb.h | 3 ++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 876162c..44fe7fd 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -98,6 +98,7 @@ struct rpc_program nfsacl_program = { struct nfs_client_initdata { const char *hostname; const struct sockaddr_in *addr; + size_t addrlen; const struct nfs_rpc_ops *rpc_ops; }; @@ -125,7 +126,8 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_ atomic_set(&clp->cl_count, 1); clp->cl_cons_state = NFS_CS_INITING; - memcpy(&clp->cl_addr, cl_init->addr, sizeof(clp->cl_addr)); + memcpy(&clp->cl_addr, cl_init->addr, cl_init->addrlen); + clp->cl_addrlen = cl_init->addrlen; if (cl_init->hostname) { clp->cl_hostname = kstrdup(cl_init->hostname, GFP_KERNEL); @@ -425,7 +427,7 @@ static int nfs_create_rpc_client(struct nfs_client *clp, int proto, struct rpc_create_args args = { .protocol = proto, .address = (struct sockaddr *)&clp->cl_addr, - .addrsize = sizeof(clp->cl_addr), + .addrsize = clp->cl_addrlen, .timeout = &timeparms, .servername = clp->cl_hostname, .program = &nfs_program, @@ -585,6 +587,7 @@ static int nfs_init_server(struct nfs_server *server, struct nfs_client_initdata cl_init = { .hostname = data->nfs_server.hostname, .addr = &data->nfs_server.address, + .addrlen = sizeof(data->nfs_server.address), .rpc_ops = &nfs_v2_clientops, }; struct nfs_client *clp; @@ -938,6 +941,7 @@ static int nfs4_set_client(struct nfs_server *server, struct nfs_client_initdata cl_init = { .hostname = hostname, .addr = addr, + .addrlen = sizeof(*addr), .rpc_ops = &nfs_v4_clientops, }; struct nfs_client *clp; diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 0b3dcba..912cfe8 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -21,7 +21,8 @@ struct nfs_client { #define NFS_CS_CALLBACK 1 /* - callback started */ #define NFS_CS_IDMAP 2 /* - idmap started */ #define NFS_CS_RENEWD 3 /* - renewd started */ - struct sockaddr_in cl_addr; /* server identifier */ + struct sockaddr_storage cl_addr; /* server identifier */ + size_t cl_addrlen; char * cl_hostname; /* hostname of server */ struct list_head cl_share_link; /* link in global client list */ struct list_head cl_superblocks; /* List of nfs_server structs */