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From 6ad61c838992d17f5faa94faa8f17967083a4226 Mon Sep 17 00:00:00 2001
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From: Hans-Peter Deifel <hpd@hpdeifel.de>
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Date: Tue, 3 Mar 2015 00:35:08 +0100
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Subject: [PATCH] tmpfiles: quietly ignore ACLs on unsupported filesystems
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A warning is printed if ACLs cannot be retrieved for any reason other
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than -ENOSYS. For -ENOSYS, debug log is printed.
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(cherry picked from commit d873e8778c92014c02a9122852758b436fa95c0e)
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---
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 src/tmpfiles/tmpfiles.c | 36 ++++++++++++++++++++----------------
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 1 file changed, 20 insertions(+), 16 deletions(-)
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diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
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index 88ba7e4..187997e 100644
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--- a/src/tmpfiles/tmpfiles.c
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+++ b/src/tmpfiles/tmpfiles.c
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@@ -704,6 +704,9 @@ static int path_set_acl(const char *path, acl_type_t type, acl_t acl, bool modif
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         int r;
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         _cleanup_(acl_free_charpp) char *t = NULL;
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+        /* Returns 0 for success, positive error if already warned,
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+         * negative error otherwise. */
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+
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         if (modify) {
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                 r = acls_for_file(path, type, acl, &dup;;
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                 if (r < 0)
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@@ -731,35 +734,36 @@ static int path_set_acl(const char *path, acl_type_t type, acl_t acl, bool modif
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         r = acl_set_file(path, type, dup);
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         if (r < 0)
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-                return log_error_errno(-errno,
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-                                       "Setting %s ACL \"%s\" on %s failed: %m",
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-                                       type == ACL_TYPE_ACCESS ? "access" : "default",
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-                                       strna(t), path);
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+                return -log_error_errno(errno,
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+                                        "Setting %s ACL \"%s\" on %s failed: %m",
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+                                        type == ACL_TYPE_ACCESS ? "access" : "default",
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+                                        strna(t), path);
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+
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         return 0;
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 }
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 #endif
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 static int path_set_acls(Item *item, const char *path) {
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+        int r = 0;
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 #ifdef HAVE_ACL
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-        int r;
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-
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         assert(item);
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         assert(path);
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-        if (item->acl_access) {
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+        if (item->acl_access)
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                 r = path_set_acl(path, ACL_TYPE_ACCESS, item->acl_access, item->force);
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-                if (r < 0)
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-                        return r;
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-        }
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-        if (item->acl_default) {
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+        if (r == 0 && item->acl_default)
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                 r = path_set_acl(path, ACL_TYPE_DEFAULT, item->acl_default, item->force);
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-                if (r < 0)
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-                        return r;
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-        }
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-#endif
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-        return 0;
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+        if (r > 0)
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+                return -r; /* already warned */
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+        else if (r == -ENOTSUP) {
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+                log_debug_errno(r, "ACLs not supported by file system at %s", path);
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+                return 0;
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+        } else if (r < 0)
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+                log_error_errno(r, "ACL operation on \"%s\" failed: %m", path);
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+#endif
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+        return r;
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 }
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 static int write_one_file(Item *i, const char *path) {