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| author | Bryan Schumaker <bjschuma@netapp.com> | 2011-04-13 18:31:30 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-04-13 19:12:23 (GMT) |
| commit | 801a16dc7b5c146f7980a0c61c30cef3ba93344d (patch) | |
| tree | 959e354fe7e13525efa8e4313176550dbcc3fe99 /fs/nfs/nfs4proc.c | |
| parent | 0fabee243a2c6edd66284a4d8948ccbe6727e3bb (diff) | |
| download | linux-801a16dc7b5c146f7980a0c61c30cef3ba93344d.tar.xz | |
NFS: Attempt mount with default sec flavor first
nfs4_lookup_root() is already configured to use either RPC_AUTH_UNIX
or a user specified flavor (through -o sec=<whatever>). We should
use this flavor first, and only attempt negotiation if it fails
with -EPERM.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8833472..7e27ebf 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2208,19 +2208,15 @@ out: return ret; } -/* - * get the file handle for the "/" directory on the server - */ -static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, +static int nfs4_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fsinfo *info) { int i, len, status = 0; rpc_authflavor_t flav_array[NFS_MAX_SECFLAVORS]; - flav_array[0] = RPC_AUTH_UNIX; - len = gss_mech_list_pseudoflavors(&flav_array[1]); - flav_array[1+len] = RPC_AUTH_NULL; - len += 2; + len = gss_mech_list_pseudoflavors(&flav_array[0]); + flav_array[len] = RPC_AUTH_NULL; + len += 1; for (i = 0; i < len; i++) { status = nfs4_lookup_root_sec(server, fhandle, info, flav_array[i]); @@ -2228,6 +2224,18 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, continue; break; } + return status; +} + +/* + * get the file handle for the "/" directory on the server + */ +static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_fsinfo *info) +{ + int status = nfs4_lookup_root(server, fhandle, info); + if (status == -EPERM) + status = nfs4_find_root_sec(server, fhandle, info); if (status == 0) status = nfs4_server_capabilities(server, fhandle); if (status == 0) |