From d43bbb52de220e6008a649b128fe32da995b5e1e Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Tue, 3 May 2016 14:08:23 -0400
Subject: Revert "Do not report masked units as changed (#2921)"

This reverts commit 6d10d308c6cd16528ef58fa4f5822aef936862d3.

It got squashed by mistake.
---
 src/core/load-fragment.c |  8 +++----
 src/core/unit.c          | 62 ++++++++++++++++++++++++++----------------------
 2 files changed, 37 insertions(+), 33 deletions(-)

(limited to 'src/core')

diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 1a8c03904c..67867dfbe9 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -3630,12 +3630,10 @@ static int load_from_path(Unit *u, const char *path) {
         if (fstat(fileno(f), &st) < 0)
                 return -errno;
 
-        if (null_or_empty(&st)) {
+        if (null_or_empty(&st))
                 u->load_state = UNIT_MASKED;
-                u->fragment_mtime = 0;
-        } else {
+        else {
                 u->load_state = UNIT_LOADED;
-                u->fragment_mtime = timespec_load(&st.st_mtim);
 
                 /* Now, parse the file contents */
                 r = config_parse(u->id, filename, f,
@@ -3650,6 +3648,8 @@ static int load_from_path(Unit *u, const char *path) {
         u->fragment_path = filename;
         filename = NULL;
 
+        u->fragment_mtime = timespec_load(&st.st_mtim);
+
         if (u->source_path) {
                 if (stat(u->source_path, &st) >= 0)
                         u->source_mtime = timespec_load(&st.st_mtim);
diff --git a/src/core/unit.c b/src/core/unit.c
index 4ace6b075b..5b8b0130bd 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2951,36 +2951,34 @@ int unit_coldplug(Unit *u) {
         return 0;
 }
 
-static bool fragment_mtime_changed(const char *path, usec_t mtime) {
-        struct stat st;
-
-        if (!path)
-                return false;
-
-        if (stat(path, &st) < 0)
-                /* What, cannot access this anymore? */
-                return true;
-
-        if (mtime > 0)
-                /* For non-empty files check the mtime */
-                return timespec_load(&st.st_mtim) != mtime;
-        else if (!null_or_empty(&st))
-                /* For masked files check if they are still so */
-                return true;
-
-        return false;
-}
-
 bool unit_need_daemon_reload(Unit *u) {
         _cleanup_strv_free_ char **t = NULL;
         char **path;
+        struct stat st;
         unsigned loaded_cnt, current_cnt;
 
         assert(u);
 
-        if (fragment_mtime_changed(u->fragment_path, u->fragment_mtime) ||
-            fragment_mtime_changed(u->source_path, u->source_mtime))
-                return true;
+        if (u->fragment_path) {
+                zero(st);
+                if (stat(u->fragment_path, &st) < 0)
+                        /* What, cannot access this anymore? */
+                        return true;
+
+                if (u->fragment_mtime > 0 &&
+                    timespec_load(&st.st_mtim) != u->fragment_mtime)
+                        return true;
+        }
+
+        if (u->source_path) {
+                zero(st);
+                if (stat(u->source_path, &st) < 0)
+                        return true;
+
+                if (u->source_mtime > 0 &&
+                    timespec_load(&st.st_mtim) != u->source_mtime)
+                        return true;
+        }
 
         (void) unit_find_dropin_paths(u, &t);
         loaded_cnt = strv_length(t);
@@ -2991,15 +2989,21 @@ bool unit_need_daemon_reload(Unit *u) {
                         return false;
 
                 if (strv_overlap(u->dropin_paths, t)) {
-                        STRV_FOREACH(path, u->dropin_paths)
-                                if (fragment_mtime_changed(*path, u->dropin_mtime))
+                        STRV_FOREACH(path, u->dropin_paths) {
+                                zero(st);
+                                if (stat(*path, &st) < 0)
                                         return true;
 
-                        return false;
-                }
-        }
+                                if (u->dropin_mtime > 0 &&
+                                    timespec_load(&st.st_mtim) > u->dropin_mtime)
+                                        return true;
+                        }
 
-        return true;
+                        return false;
+                } else
+                        return true;
+        } else
+                return true;
 }
 
 void unit_reset_failed(Unit *u) {
-- 
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