6b13f685e
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#include <linux/nfs_fs.h>
#include <linux/nfs_mount.h>
#include "internal.h"
#ifdef CONFIG_NFS_V3_ACL
static struct rpc_stat nfsacl_rpcstat = { &nfsacl_program };
static const struct rpc_version *nfsacl_version[] = {
[3] = &nfsacl_version3,
};
const struct rpc_program nfsacl_program = {
.name = "nfsacl",
.number = NFS_ACL_PROGRAM,
.nrvers = ARRAY_SIZE(nfsacl_version),
.version = nfsacl_version,
.stats = &nfsacl_rpcstat,
};
/*
* Initialise an NFSv3 ACL client connection
*/
static void nfs_init_server_aclclient(struct nfs_server *server)
{
if (server->flags & NFS_MOUNT_NOACL)
goto out_noacl;
server->client_acl = rpc_bind_new_program(server->client, &nfsacl_program, 3);
if (IS_ERR(server->client_acl))
goto out_noacl;
/* No errors! Assume that Sun nfsacls are supported */
server->caps |= NFS_CAP_ACLS;
return;
out_noacl:
server->caps &= ~NFS_CAP_ACLS;
}
#else
static inline void nfs_init_server_aclclient(struct nfs_server *server)
{
server->flags &= ~NFS_MOUNT_NOACL;
server->caps &= ~NFS_CAP_ACLS;
}
#endif
struct nfs_server *nfs3_create_server(struct nfs_mount_info *mount_info,
struct nfs_subversion *nfs_mod)
{
struct nfs_server *server = nfs_create_server(mount_info, nfs_mod);
/* Create a client RPC handle for the NFS v3 ACL management interface */
if (!IS_ERR(server))
nfs_init_server_aclclient(server);
return server;
}
struct nfs_server *nfs3_clone_server(struct nfs_server *source,
struct nfs_fh *fh,
struct nfs_fattr *fattr,
rpc_authflavor_t flavor)
{
struct nfs_server *server = nfs_clone_server(source, fh, fattr, flavor);
if (!IS_ERR(server) && !IS_ERR(source->client_acl))
nfs_init_server_aclclient(server);
return server;
}
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