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From e2550d725cf94c01dee40f5f02ad242ee8e02072 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Fri, 15 May 2015 21:47:22 +0200
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Subject: [PATCH] tmpfiles: don't fail if we cannot create a subvolume because
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 a file system is read-only but a dir already exists anyway
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https://bugs.freedesktop.org/show_bug.cgi?id=90281
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(cherry picked from commit 7b135a73999b6911ebb85c053b6f7701fdac1883)
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Cherry-picked from: 7b135a7
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Resolves: #1222517
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---
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 src/tmpfiles/tmpfiles.c | 17 +++++++++++------
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 1 file changed, 11 insertions(+), 6 deletions(-)
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diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
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index 73a9c9d5b6..d0e6567d8a 100644
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--- a/src/tmpfiles/tmpfiles.c
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+++ b/src/tmpfiles/tmpfiles.c
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@@ -1002,20 +1002,25 @@ static int create_item(Item *i) {
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                                 r = mkdir_label(i->path, i->mode);
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                 if (r < 0) {
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-                        if (r != -EEXIST)
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-                                return log_error_errno(r, "Failed to create directory or subvolume \"%s\": %m", i->path);
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+                        int k;
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-                        if (stat(i->path, &st) < 0)
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-                                return log_error_errno(errno, "stat(%s) failed: %m", i->path);
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+                        if (r != -EEXIST && r != -EROFS)
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+                                return log_error_errno(r, "Failed to create directory or subvolume \"%s\": %m", i->path);
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-                        if (!S_ISDIR(st.st_mode)) {
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-                                log_debug("\"%s\" already exists and is not a directory.", i->path);
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+                        k = is_dir(i->path, false);
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+                        if (k == -ENOENT && r == -EROFS)
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+                                return log_error_errno(r, "%s does not exist and cannot be created as the file system is read-only.", i->path);
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+                        if (k < 0)
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+                                return log_error_errno(k, "Failed to check if %s exists: %m", i->path);
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+                        if (!k) {
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+                                log_warning("\"%s\" already exists and is not a directory.", i->path);
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                                 return 0;
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                         }
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                         creation = CREATION_EXISTING;
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                 } else
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                         creation = CREATION_NORMAL;
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+
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                 log_debug("%s directory \"%s\".", creation_mode_verb_to_string(creation), i->path);
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                 r = path_set_perms(i, i->path);