docs: filesystems: Update code snippets in autofs.rst

Some of the struct definitions now have an autofs packet header.
Reflect these changes by adding a definition of this header and
place it wherever suitable.

Signed-off-by: Jaskaran Singh <jaskaransingh7654321@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/filesystems/autofs.rst b/Documentation/filesystems/autofs.rst
index 6702a5f..73a4040 100644 (file)
--- a/Documentation/filesystems/autofs.rst
+++ b/Documentation/filesystems/autofs.rst
@@ -322,8 +322,7 @@ notification messages to this pipe for the daemon to respond to.
 For version 5, the format of the message is::
 
        struct autofs_v5_packet {
-               int proto_version;              /* Protocol version */
-               int type;                       /* Type of packet */
+               struct autofs_packet_hdr hdr;
                autofs_wqt_t wait_queue_token;
                __u32 dev;
                __u64 ino;
@@ -335,6 +334,13 @@ For version 5, the format of the message is::
                char name[NAME_MAX+1];
         };
 
+And the format of the header is::
+
+       struct autofs_packet_hdr {
+               int proto_version;              /* Protocol version */
+               int type;                       /* Type of packet */
+       };
+
 where the type is one of ::
 
        autofs_ptype_missing_indirect
@@ -395,8 +401,7 @@ The available ioctl commands are:
        anything suitable to expire.  A pointer to a packet::
 
                struct autofs_packet_expire_multi {
-                       int proto_version;              /* Protocol version */
-                       int type;                       /* Type of packet */
+                       struct autofs_packet_hdr hdr;
                        autofs_wqt_t wait_queue_token;
                        int len;
                        char name[NAME_MAX+1];