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NFS: "[no]resvport" mount option changes mountd client too 

If the admin has specified the "noresvport" option for an NFS mount
point, the kernel's NFS client uses an unprivileged source port for
the main NFS transport.  The kernel's mountd client should use an
unprivileged port in this case as well.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2008-12-23 15:21:37 -05:00 committed by Trond Myklebust
parent d740351bf0
commit 50a737f86d
3 changed files with 5 additions and 1 deletions
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1
fs/nfs/internal.h
View File

@ -72,6 +72,7 @@ struct nfs_mount_request {
u32 version;
unsigned short protocol;
struct nfs_fh *fh;
int noresvport;
};
extern int nfs_mount(struct nfs_mount_request *info);

4
fs/nfs/mount_clnt.c
View File

@ -50,7 +50,6 @@ int nfs_mount(struct nfs_mount_request *info)
.program = &mnt_program,
.version = info->version,
.authflavor = RPC_AUTH_UNIX,
.flags = 0,
};
struct rpc_clnt *mnt_clnt;
int status;
@ -59,6 +58,9 @@ int nfs_mount(struct nfs_mount_request *info)
(info->hostname ? info->hostname : "server"),
info->dirpath);
if (info->noresvport)
args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
mnt_clnt = rpc_create(&args);
if (IS_ERR(mnt_clnt))
goto out_clnt_err;

1
fs/nfs/super.c
View File

@ -1345,6 +1345,7 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
.dirpath = args->nfs_server.export_path,
.protocol = args->mount_server.protocol,
.fh = root_fh,
.noresvport = args->flags & NFS_MOUNT_NORESVPORT,
};
int status;