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-rw-r--r--Documentation/filesystems/api-summary.rst3
-rw-r--r--Documentation/filesystems/buffer.rst12
-rw-r--r--Documentation/filesystems/index.rst1
3 files changed, 13 insertions, 3 deletions
diff --git a/Documentation/filesystems/api-summary.rst b/Documentation/filesystems/api-summary.rst
index 98db2ea5fa12..cc5cc7f3fbd8 100644
--- a/Documentation/filesystems/api-summary.rst
+++ b/Documentation/filesystems/api-summary.rst
@@ -56,9 +56,6 @@ Other Functions
.. kernel-doc:: fs/namei.c
:export:
-.. kernel-doc:: fs/buffer.c
- :export:
-
.. kernel-doc:: block/bio.c
:export:
diff --git a/Documentation/filesystems/buffer.rst b/Documentation/filesystems/buffer.rst
new file mode 100644
index 000000000000..ae24faf68efa
--- /dev/null
+++ b/Documentation/filesystems/buffer.rst
@@ -0,0 +1,12 @@
+Buffer Heads
+============
+
+Linux uses buffer heads to maintain state about individual filesystem blocks.
+Buffer heads are deprecated and new filesystems should use iomap instead.
+
+Functions
+---------
+
+.. kernel-doc:: include/linux/buffer_head.h
+.. kernel-doc:: fs/buffer.c
+ :export:
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index 1f9b4c905a6a..8f5c1ee02e2f 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -50,6 +50,7 @@ filesystem implementations.
.. toctree::
:maxdepth: 2
+ buffer
journalling
fscrypt
fsverity