docs: promote the ext4 data structures book to top level

Move the ext4 data structures book to Documentation/filesystems/ext4/
since the administrative information moved elsewhere.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

25 files changed, 10 insertions, 21 deletions

diff --git a/Documentation/conf.py b/Documentation/conf.py
index 4d32c01e1e16..ede67ccafc29 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -385,8 +385,8 @@ latex_documents = [
      'The kernel development community', 'manual'),
     ('admin-guide/ext4', 'ext4-admin-guide.tex', 'ext4 Administration Guide',
      'ext4 Community', 'manual'),
-    ('filesystems/ext4/index', 'ext4.tex', 'ext4 Filesystem',
-     'ext4 Filesystem Developers', 'manual'),
+    ('filesystems/ext4/index', 'ext4-data-structures.tex',
+     'ext4 Data Structures and Algorithms', 'ext4 Community', 'manual'),
     ('gpu/index', 'gpu.tex', 'Linux GPU Driver Developer\'s Guide',
      'The kernel development community', 'manual'),
     ('input/index', 'linux-input.tex', 'The Linux input driver subsystem',
diff --git a/Documentation/filesystems/ext4/ondisk/about.rst b/Documentation/filesystems/ext4/about.rst
index 0aadba052264..0aadba052264 100644
--- a/Documentation/filesystems/ext4/ondisk/about.rst
+++ b/Documentation/filesystems/ext4/about.rst
diff --git a/Documentation/filesystems/ext4/ondisk/allocators.rst b/Documentation/filesystems/ext4/allocators.rst
index 7aa85152ace3..7aa85152ace3 100644
--- a/Documentation/filesystems/ext4/ondisk/allocators.rst
+++ b/Documentation/filesystems/ext4/allocators.rst
diff --git a/Documentation/filesystems/ext4/ondisk/attributes.rst b/Documentation/filesystems/ext4/attributes.rst
index 54386a010a8d..54386a010a8d 100644
--- a/Documentation/filesystems/ext4/ondisk/attributes.rst
+++ b/Documentation/filesystems/ext4/attributes.rst
diff --git a/Documentation/filesystems/ext4/ondisk/bigalloc.rst b/Documentation/filesystems/ext4/bigalloc.rst
index c6d88557553c..c6d88557553c 100644
--- a/Documentation/filesystems/ext4/ondisk/bigalloc.rst
+++ b/Documentation/filesystems/ext4/bigalloc.rst
diff --git a/Documentation/filesystems/ext4/ondisk/bitmaps.rst b/Documentation/filesystems/ext4/bitmaps.rst
index c7546dbc197a..c7546dbc197a 100644
--- a/Documentation/filesystems/ext4/ondisk/bitmaps.rst
+++ b/Documentation/filesystems/ext4/bitmaps.rst
diff --git a/Documentation/filesystems/ext4/ondisk/blockgroup.rst b/Documentation/filesystems/ext4/blockgroup.rst
index baf888e4c06a..baf888e4c06a 100644
--- a/Documentation/filesystems/ext4/ondisk/blockgroup.rst
+++ b/Documentation/filesystems/ext4/blockgroup.rst
diff --git a/Documentation/filesystems/ext4/ondisk/blockmap.rst b/Documentation/filesystems/ext4/blockmap.rst
index 30e25750d88a..30e25750d88a 100644
--- a/Documentation/filesystems/ext4/ondisk/blockmap.rst
+++ b/Documentation/filesystems/ext4/blockmap.rst
diff --git a/Documentation/filesystems/ext4/ondisk/blocks.rst b/Documentation/filesystems/ext4/blocks.rst
index 73d4dc0f7bda..73d4dc0f7bda 100644
--- a/Documentation/filesystems/ext4/ondisk/blocks.rst
+++ b/Documentation/filesystems/ext4/blocks.rst
diff --git a/Documentation/filesystems/ext4/ondisk/checksums.rst b/Documentation/filesystems/ext4/checksums.rst
index 5519e253810d..5519e253810d 100644
--- a/Documentation/filesystems/ext4/ondisk/checksums.rst
+++ b/Documentation/filesystems/ext4/checksums.rst
diff --git a/Documentation/filesystems/ext4/ondisk/directory.rst b/Documentation/filesystems/ext4/directory.rst
index 614034e24669..614034e24669 100644
--- a/Documentation/filesystems/ext4/ondisk/directory.rst
+++ b/Documentation/filesystems/ext4/directory.rst
diff --git a/Documentation/filesystems/ext4/ondisk/dynamic.rst b/Documentation/filesystems/ext4/dynamic.rst
index bb0c84333341..bb0c84333341 100644
--- a/Documentation/filesystems/ext4/ondisk/dynamic.rst
+++ b/Documentation/filesystems/ext4/dynamic.rst
diff --git a/Documentation/filesystems/ext4/ondisk/eainode.rst b/Documentation/filesystems/ext4/eainode.rst
index ecc0d01a0a72..ecc0d01a0a72 100644
--- a/Documentation/filesystems/ext4/ondisk/eainode.rst
+++ b/Documentation/filesystems/ext4/eainode.rst
diff --git a/Documentation/filesystems/ext4/ondisk/globals.rst b/Documentation/filesystems/ext4/globals.rst
index 368bf7662b96..368bf7662b96 100644
--- a/Documentation/filesystems/ext4/ondisk/globals.rst
+++ b/Documentation/filesystems/ext4/globals.rst
diff --git a/Documentation/filesystems/ext4/ondisk/group_descr.rst b/Documentation/filesystems/ext4/group_descr.rst
index 0f783ed88592..0f783ed88592 100644
--- a/Documentation/filesystems/ext4/ondisk/group_descr.rst
+++ b/Documentation/filesystems/ext4/group_descr.rst
diff --git a/Documentation/filesystems/ext4/ondisk/ifork.rst b/Documentation/filesystems/ext4/ifork.rst
index b9816d5a896b..b9816d5a896b 100644
--- a/Documentation/filesystems/ext4/ondisk/ifork.rst
+++ b/Documentation/filesystems/ext4/ifork.rst
diff --git a/Documentation/filesystems/ext4/index.rst b/Documentation/filesystems/ext4/index.rst
index 427bc115012e..3be3e54d480d 100644
--- a/Documentation/filesystems/ext4/index.rst
+++ b/Documentation/filesystems/ext4/index.rst
@@ -1,16 +1,14 @@
 .. SPDX-License-Identifier: GPL-2.0
 
-===============
-ext4 Filesystem
-===============
-
-General usage and on-disk artifacts writen by ext4.  More documentation may
-be ported from the wiki as time permits.  This should be considered the
-canonical source of information as the details here have been reviewed by
-the ext4 community.
+===================================
+ext4 Data Structures and Algorithms
+===================================
 
 .. toctree::
-   :maxdepth: 5
+   :maxdepth: 6
    :numbered:
 
-   ondisk/index
+   about.rst
+   overview.rst
+   globals.rst
+   dynamic.rst
diff --git a/Documentation/filesystems/ext4/ondisk/inlinedata.rst b/Documentation/filesystems/ext4/inlinedata.rst
index d1075178ce0b..d1075178ce0b 100644
--- a/Documentation/filesystems/ext4/ondisk/inlinedata.rst
+++ b/Documentation/filesystems/ext4/inlinedata.rst
diff --git a/Documentation/filesystems/ext4/ondisk/inodes.rst b/Documentation/filesystems/ext4/inodes.rst
index 6bd35e506b6f..6bd35e506b6f 100644
--- a/Documentation/filesystems/ext4/ondisk/inodes.rst
+++ b/Documentation/filesystems/ext4/inodes.rst
diff --git a/Documentation/filesystems/ext4/ondisk/journal.rst b/Documentation/filesystems/ext4/journal.rst
index ea613ee701f5..ea613ee701f5 100644
--- a/Documentation/filesystems/ext4/ondisk/journal.rst
+++ b/Documentation/filesystems/ext4/journal.rst
diff --git a/Documentation/filesystems/ext4/ondisk/mmp.rst b/Documentation/filesystems/ext4/mmp.rst
index 25660981d93c..25660981d93c 100644
--- a/Documentation/filesystems/ext4/ondisk/mmp.rst
+++ b/Documentation/filesystems/ext4/mmp.rst
diff --git a/Documentation/filesystems/ext4/ondisk/index.rst b/Documentation/filesystems/ext4/ondisk/index.rst
deleted file mode 100644
index f7d082c3a435..000000000000
--- a/Documentation/filesystems/ext4/ondisk/index.rst
+++ /dev/null
@@ -1,9 +0,0 @@
-.. SPDX-License-Identifier: GPL-2.0
-
-==============================
-Data Structures and Algorithms
-==============================
-.. include:: about.rst
-.. include:: overview.rst
-.. include:: globals.rst
-.. include:: dynamic.rst
diff --git a/Documentation/filesystems/ext4/ondisk/overview.rst b/Documentation/filesystems/ext4/overview.rst
index cbab18baba12..cbab18baba12 100644
--- a/Documentation/filesystems/ext4/ondisk/overview.rst
+++ b/Documentation/filesystems/ext4/overview.rst
diff --git a/Documentation/filesystems/ext4/ondisk/special_inodes.rst b/Documentation/filesystems/ext4/special_inodes.rst
index 9061aabba827..9061aabba827 100644
--- a/Documentation/filesystems/ext4/ondisk/special_inodes.rst
+++ b/Documentation/filesystems/ext4/special_inodes.rst
diff --git a/Documentation/filesystems/ext4/ondisk/super.rst b/Documentation/filesystems/ext4/super.rst
index 04ff079a2acf..04ff079a2acf 100644
--- a/Documentation/filesystems/ext4/ondisk/super.rst
+++ b/Documentation/filesystems/ext4/super.rst