Documentation: ext4: atomic_writes: Demote last three sections

Last three sections of atomic block writes documentation are adorned as
first-level title headings, which erroneously increase toctree entries
in overview.rst. Demote them.

Fixes: 0bf1f51e34c4 ("ext4: Add atomic block write documentation")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250620105643.25141-5-bagasdotme@gmail.com

diff --git a/Documentation/filesystems/ext4/atomic_writes.rst b/Documentation/filesystems/ext4/atomic_writes.rst
index f65767df3620d541247fcb4e2047cfeab44893f2..aeb47ace738dfabb822814dfe56f11a4a2f57110 100644 (file)
--- a/Documentation/filesystems/ext4/atomic_writes.rst
+++ b/Documentation/filesystems/ext4/atomic_writes.rst
@@ -148,10 +148,10 @@ reserved during:
     only required to handle a split extent across leaf blocks.
 
 How to
-------
+~~~~~~
 
 Creating Filesystems with Atomic Write Support
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 First check the atomic write units supported by block device.
 See :ref:`atomic_write_bdev_support` for more details.
@@ -176,7 +176,7 @@ Where ``-b`` specifies the block size, ``-C`` specifies the cluster size in byte
 and ``-O bigalloc`` enables the bigalloc feature.
 
 Application Interface
-~~~~~~~~~~~~~~~~~~~~~
+^^^^^^^^^^^^^^^^^^^^^
 
 Applications can use the ``pwritev2()`` system call with the ``RWF_ATOMIC`` flag
 to perform atomic writes:
@@ -204,7 +204,7 @@ writes are supported.
 .. _atomic_write_bdev_support:
 
 Hardware Support
-----------------
+~~~~~~~~~~~~~~~~
 
 The underlying storage device must support atomic write operations.
 Modern NVMe and SCSI devices often provide this capability.
@@ -217,7 +217,7 @@ Nonzero values for these attributes indicate that the device supports
 atomic writes.
 
 See Also
---------
+~~~~~~~~
 
 * :doc:`bigalloc` - Documentation on the bigalloc feature
 * :doc:`allocators` - Documentation on block allocation in ext4