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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1179acc6a3
v2 and v4 don't use it, so I create two new nfs_rpc_ops functions to initialize the ACL client only when we are using v3. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
#include <linux/nfs_fs.h>
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#include <linux/nfs_mount.h>
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#include "internal.h"
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#ifdef CONFIG_NFS_V3_ACL
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static struct rpc_stat nfsacl_rpcstat = { &nfsacl_program };
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static const struct rpc_version *nfsacl_version[] = {
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[3] = &nfsacl_version3,
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};
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const struct rpc_program nfsacl_program = {
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.name = "nfsacl",
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.number = NFS_ACL_PROGRAM,
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.nrvers = ARRAY_SIZE(nfsacl_version),
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.version = nfsacl_version,
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.stats = &nfsacl_rpcstat,
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};
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/*
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* Initialise an NFSv3 ACL client connection
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*/
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static void nfs_init_server_aclclient(struct nfs_server *server)
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{
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if (server->flags & NFS_MOUNT_NOACL)
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goto out_noacl;
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server->client_acl = rpc_bind_new_program(server->client, &nfsacl_program, 3);
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if (IS_ERR(server->client_acl))
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goto out_noacl;
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/* No errors! Assume that Sun nfsacls are supported */
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server->caps |= NFS_CAP_ACLS;
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return;
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out_noacl:
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server->caps &= ~NFS_CAP_ACLS;
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}
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#else
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static inline void nfs_init_server_aclclient(struct nfs_server *server)
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{
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server->flags &= ~NFS_MOUNT_NOACL;
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server->caps &= ~NFS_CAP_ACLS;
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}
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#endif
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struct nfs_server *nfs3_create_server(struct nfs_mount_info *mount_info,
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struct nfs_subversion *nfs_mod)
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{
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struct nfs_server *server = nfs_create_server(mount_info, nfs_mod);
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/* Create a client RPC handle for the NFS v3 ACL management interface */
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if (!IS_ERR(server))
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nfs_init_server_aclclient(server);
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return server;
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}
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struct nfs_server *nfs3_clone_server(struct nfs_server *source,
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struct nfs_fh *fh,
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struct nfs_fattr *fattr,
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rpc_authflavor_t flavor)
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{
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struct nfs_server *server = nfs_clone_server(source, fh, fattr, flavor);
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if (!IS_ERR(server) && !IS_ERR(source->client_acl))
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nfs_init_server_aclclient(server);
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return server;
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}
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