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docs: filesystems: convert ubifs-authentication.rst.txt to ReST

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- Add a SPDX header;
- Mark some literals as such;
- Add it to filesystems/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/0c36091b6660cd372f994bd98e1264491d766c22.1581955849.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-02-17 17:12:27 +01:00 committed by Jonathan Corbet
parent 7e7cd458b8
commit 688f118e31
2 changed files with 7 additions and 4 deletions
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1
Documentation/filesystems/index.rst
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@ -90,5 +90,6 @@ Documentation for filesystem implementations.
sysfs
sysv-fs
tmpfs
ubifs-authentication.rst
virtiofs
vfat

10
Documentation/filesystems/ubifs-authentication.rst
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@ -1,3 +1,5 @@
.. SPDX-License-Identifier: GPL-2.0
:orphan:
.. UBIFS Authentication
@ -92,11 +94,11 @@ UBIFS Index & Tree Node Cache
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Basic on-flash UBIFS entities are called *nodes*. UBIFS knows different types
of nodes. Eg. data nodes (`struct ubifs_data_node`) which store chunks of file
contents or inode nodes (`struct ubifs_ino_node`) which represent VFS inodes.
Almost all types of nodes share a common header (`ubifs_ch`) containing basic
of nodes. Eg. data nodes (``struct ubifs_data_node``) which store chunks of file
contents or inode nodes (``struct ubifs_ino_node``) which represent VFS inodes.
Almost all types of nodes share a common header (``ubifs_ch``) containing basic
information like node type, node length, a sequence number, etc. (see
`fs/ubifs/ubifs-media.h`in kernel source). Exceptions are entries of the LPT
``fs/ubifs/ubifs-media.h`` in kernel source). Exceptions are entries of the LPT
and some less important node types like padding nodes which are used to pad
unusable content at the end of LEBs.