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File _service:tar_scm:backport-udev-node-simplify-the-example-of-race.patch of Package systemd (Revision e9511bddc323e3339c74627cb57cfef3)

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From 76e4e1df71fc26acd2aa2ef2d599da3cdd95a014 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 12 Sep 2021 16:05:51 +0900
Subject: [PATCH] udev-node: simplify the example of race

(cherry picked from commit 3df566a66723490914ef3bae0ca8046044b70dce)

Conflict:NA
Reference:https://github.com/systemd/systemd-stable/commit/76e4e1df71fc26acd2aa2ef2d599da3cdd95a014
---
 src/udev/udev-node.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index 52816c72fd..4e4a45bbe9 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -272,14 +272,14 @@ static int update_timestamp(sd_device *dev, const char *path, struct stat *prev)
 
         /* Even if a symlink in the stack directory is created/removed, the mtime of the directory may
          * not be changed. Why? Let's consider the following situation. For simplicity, let's assume
-         * there exist three udev workers (A, B, and C) and all of them calls link_update() for the
-         * same devlink simultaneously.
+         * there exist two udev workers (A and B) and all of them calls link_update() for the same
+         * devlink simultaneously.
          *
-         * 1. B creates/removes a symlink in the stack directory.
+         * 1. A creates/removes a symlink in the stack directory.
          * 2. A calls the first stat() in the loop of link_update().
          * 3. A calls link_find_prioritized().
-         * 4. C creates/removes another symlink in the stack directory, so the result of the step 3 is outdated.
-         * 5. B and C finish link_update().
+         * 4. B creates/removes another symlink in the stack directory, so the result of the step 3 is outdated.
+         * 5. B finishes link_update().
          * 6. A creates/removes devlink according to the outdated result in the step 3.
          * 7. A calls the second stat() in the loop of link_update().
          *
-- 
2.33.0