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From e2550d725cf94c01dee40f5f02ad242ee8e02072 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 15 May 2015 21:47:22 +0200
Subject: [PATCH] tmpfiles: don't fail if we cannot create a subvolume because
 a file system is read-only but a dir already exists anyway

https://bugs.freedesktop.org/show_bug.cgi?id=90281
(cherry picked from commit 7b135a73999b6911ebb85c053b6f7701fdac1883)

Cherry-picked from: 7b135a7
Resolves: #1222517
---
 src/tmpfiles/tmpfiles.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index 73a9c9d..d0e6567 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -1002,20 +1002,25 @@ static int create_item(Item *i) {
                                 r = mkdir_label(i->path, i->mode);
 
                 if (r < 0) {
-                        if (r != -EEXIST)
-                                return log_error_errno(r, "Failed to create directory or subvolume \"%s\": %m", i->path);
+                        int k;
 
-                        if (stat(i->path, &st) < 0)
-                                return log_error_errno(errno, "stat(%s) failed: %m", i->path);
+                        if (r != -EEXIST && r != -EROFS)
+                                return log_error_errno(r, "Failed to create directory or subvolume \"%s\": %m", i->path);
 
-                        if (!S_ISDIR(st.st_mode)) {
-                                log_debug("\"%s\" already exists and is not a directory.", i->path);
+                        k = is_dir(i->path, false);
+                        if (k == -ENOENT && r == -EROFS)
+                                return log_error_errno(r, "%s does not exist and cannot be created as the file system is read-only.", i->path);
+                        if (k < 0)
+                                return log_error_errno(k, "Failed to check if %s exists: %m", i->path);
+                        if (!k) {
+                                log_warning("\"%s\" already exists and is not a directory.", i->path);
                                 return 0;
                         }
 
                         creation = CREATION_EXISTING;
                 } else
                         creation = CREATION_NORMAL;
+
                 log_debug("%s directory \"%s\".", creation_mode_verb_to_string(creation), i->path);
 
                 r = path_set_perms(i, i->path);