Add the seq_file documentation

This is an updated version of the document describing the seq_file
interface.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index e68021c08fbd..e731196410b3 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -82,6 +82,8 @@ relay.txt
         - info on relay, for efficient streaming from kernel to user space.
 romfs.txt
         - description of the ROMFS filesystem.
+seq_file.txt
+        - how to use the seq_file API
 sharedsubtree.txt
         - a description of shared subtrees for namespaces.
 smbfs.txt