r = write_string_file(filename, action, WRITE_STRING_FILE_DISABLE_BUFFER);
if (r < 0) {
- bool ignore = IN_SET(r, -ENOENT, -EACCES, -ENODEV);
+ bool ignore = IN_SET(r, -ENOENT, -EACCES, -ENODEV, -EROFS);
log_full_errno(ignore ? LOG_DEBUG : LOG_ERR, r,
- "Failed to write '%s' to '%s': %m", action, filename);
+ "Failed to write '%s' to '%s'%s: %m",
+ action, filename, ignore ? ", ignoring" : "");
+ if (r == -EROFS)
+ return 0; /* Read only filesystem. Return earlier. */
if (ret == 0 && !ignore)
ret = r;
continue;