Commit 1a58e8a0 authored by Trond Myklebust's avatar Trond Myklebust Committed by Anna Schumaker
Browse files

NFS: Store the credential of the mount process in the nfs_server 



Store the credential of the mount process so that we can determine
information such as the user namespace.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 79caa5fa

fs/nfs/client.c

+7 −1
Original line number Diff line number Diff line
@@ -500,7 +500,7 @@ int nfs_create_rpc_client(struct nfs_client *clp, 
		.program	= &nfs_program,

		.version	= clp->rpc_ops->version,

		.authflavor	= flavor,

		.cred		= current_cred(),

		.cred		= cl_init->cred,

	};



	if (test_bit(NFS_CS_DISCRTRY, &clp->cl_flags))
@@ -655,6 +655,7 @@ static int nfs_init_server(struct nfs_server *server, 
		.proto = data->nfs_server.protocol,

		.net = data->net,

		.timeparms = &timeparms,

		.cred = server->cred,

	};

	struct nfs_client *clp;

	int error;
@@ -923,6 +924,7 @@ void nfs_free_server(struct nfs_server *server) 
	ida_destroy(&server->lockowner_id);

	ida_destroy(&server->openowner_id);

	nfs_free_iostats(server->io_stats);

	put_cred(server->cred);

	kfree(server);

	nfs_release_automount_timer();

}
@@ -943,6 +945,8 @@ struct nfs_server *nfs_create_server(struct nfs_mount_info *mount_info, 
	if (!server)

		return ERR_PTR(-ENOMEM);



	server->cred = get_cred(current_cred());



	error = -ENOMEM;

	fattr = nfs_alloc_fattr();

	if (fattr == NULL)
@@ -1009,6 +1013,8 @@ struct nfs_server *nfs_clone_server(struct nfs_server *source, 
	if (!server)

		return ERR_PTR(-ENOMEM);



	server->cred = get_cred(source->cred);



	error = -ENOMEM;

	fattr_fsinfo = nfs_alloc_fattr();

	if (fattr_fsinfo == NULL)

fs/nfs/internal.h

+1 −0
Original line number Diff line number Diff line
@@ -84,6 +84,7 @@ struct nfs_client_initdata { 
	u32 minorversion;

	struct net *net;

	const struct rpc_timeout *timeparms;

	const struct cred *cred;

};



/*

fs/nfs/nfs3client.c

+1 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv, 
		.proto = ds_proto,

		.net = mds_clp->cl_net,

		.timeparms = &ds_timeout,

		.cred = mds_srv->cred,

	};

	struct nfs_client *clp;

	char buf[INET6_ADDRSTRLEN + 1];

fs/nfs/nfs4client.c

+6 −0
Original line number Diff line number Diff line
@@ -870,6 +870,7 @@ static int nfs4_set_client(struct nfs_server *server, 
		.minorversion = minorversion,

		.net = net,

		.timeparms = timeparms,

		.cred = server->cred,

	};

	struct nfs_client *clp;
@@ -931,6 +932,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv, 
		.minorversion = minor_version,

		.net = mds_clp->cl_net,

		.timeparms = &ds_timeout,

		.cred = mds_srv->cred,

	};

	char buf[INET6_ADDRSTRLEN + 1];
@@ -1107,6 +1109,8 @@ struct nfs_server *nfs4_create_server(struct nfs_mount_info *mount_info, 
	if (!server)

		return ERR_PTR(-ENOMEM);



	server->cred = get_cred(current_cred());



	auth_probe = mount_info->parsed->auth_info.flavor_len < 1;



	/* set up the general RPC client */
@@ -1143,6 +1147,8 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data, 
	parent_server = NFS_SB(data->sb);

	parent_client = parent_server->nfs_client;



	server->cred = get_cred(parent_server->cred);



	/* Initialise the client representation from the parent server */

	nfs_server_copy_userdata(server, parent_server);

include/linux/nfs_fs_sb.h

+3 −0
Original line number Diff line number Diff line
@@ -241,6 +241,9 @@ struct nfs_server { 


	/* XDR related information */

	unsigned int		read_hdrsize;



	/* User namespace info */

	const struct cred	*cred;

};



/* Server capabilities */