docs: filesystems: add overlayfs to index.rst

While the document is there, it is currently missing at the
index file.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/3b8e7783b1fcc71e4f94af5ea8e5fa264392f8c4.1580193653.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-01-28 07:41:01 +01:00 committed by Jonathan Corbet
parent 1edca3c64e
commit 77ce1a47eb
1 changed files with 1 additions and 0 deletions

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@ -47,5 +47,6 @@ Documentation for filesystem implementations.
:maxdepth: 2
autofs
overlayfs
virtiofs
vfat