[PATCH 19/34] docs: filesystems: convert locks.txt to ReST

From: Mauro Carvalho Chehab
Date: Wed Apr 15 2020 - 10:41:03 EST


- Add a SPDX header;
- Adjust document and section titles;
- Add it to filesystems/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
Documentation/filesystems/index.rst | 1 +
Documentation/filesystems/{locks.txt => locks.rst} | 12 ++++++++----
2 files changed, 9 insertions(+), 4 deletions(-)
rename Documentation/filesystems/{locks.txt => locks.rst} (93%)

diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index 6a34d1b578a9..40cdc4ce2ffc 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -29,6 +29,7 @@ algorithms work.
dnotify
fiemap
files
+ locks

automount-support

diff --git a/Documentation/filesystems/locks.txt b/Documentation/filesystems/locks.rst
similarity index 93%
rename from Documentation/filesystems/locks.txt
rename to Documentation/filesystems/locks.rst
index 5368690f412e..10f67fb9ce07 100644
--- a/Documentation/filesystems/locks.txt
+++ b/Documentation/filesystems/locks.rst
@@ -1,4 +1,8 @@
- File Locking Release Notes
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
+File Locking Release Notes
+==========================

Andy Walker <andy@xxxxxxxxxxxxxxxxxxx>

@@ -6,7 +10,7 @@


1. What's New?
---------------
+==============

1.1 Broken Flock Emulation
--------------------------
@@ -25,7 +29,7 @@ anyway (see the file "Documentation/process/changes.rst".)
---------------------------

1.2.1 Typical Problems - Sendmail
----------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Because sendmail was unable to use the old flock() emulation, many sendmail
installations use fcntl() instead of flock(). This is true of Slackware 3.0
for example. This gave rise to some other subtle problems if sendmail was
@@ -37,7 +41,7 @@ to lock solid with deadlocked processes.


1.2.2 The Solution
-------------------
+^^^^^^^^^^^^^^^^^^
The solution I have chosen, after much experimentation and discussion,
is to make flock() and fcntl() locks oblivious to each other. Both can
exists, and neither will have any effect on the other.
--
2.25.2