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authorChuck Lever <chuck.lever@oracle.com>2009-09-08 19:49:47 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-09-08 19:49:47 -0400
commit4cfd74fc99a41fdc161f243e1c16199656d33ab1 (patch)
treeb92cb5a87dfeb13cc042768351ffda6a64d58713 /fs/nfs/internal.h
parentdbab8360ed8abca38121109feab47c4bea895994 (diff)
downloadop-kernel-dev-4cfd74fc99a41fdc161f243e1c16199656d33ab1.zip
op-kernel-dev-4cfd74fc99a41fdc161f243e1c16199656d33ab1.tar.gz
NFS: Mount option parser should detect missing "port="
The meaning of not specifying the "port=" mount option is different for "-t nfs" and "-t nfs4" mounts. The default port value for NFSv2/v3 mounts is 0, but the default for NFSv4 mounts is 2049. To support "-t nfs -o vers=4", the mount option parser must detect when "port=" is missing so that the correct default port value can be set depending on which NFS version is requested. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 2e48567..5e686a4 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -49,6 +49,11 @@ struct nfs_clone_mount {
#define NFS_MAX_SECFLAVORS (12)
/*
+ * Value used if the user did not specify a port value.
+ */
+#define NFS_UNSPEC_PORT (-1)
+
+/*
* In-kernel mount arguments
*/
struct nfs_parsed_mount_data {
@@ -71,7 +76,7 @@ struct nfs_parsed_mount_data {
size_t addrlen;
char *hostname;
u32 version;
- unsigned short port;
+ int port;
unsigned short protocol;
} mount_server;
@@ -80,7 +85,7 @@ struct nfs_parsed_mount_data {
size_t addrlen;
char *hostname;
char *export_path;
- unsigned short port;
+ int port;
unsigned short protocol;
} nfs_server;
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