2012-10-04 (木) の 10:18 +0200 に Jan Kara さんは書きました: > > As you say when we get there via the superblock level API > > it is guaranteed that we have at least one active reference > > and that MS_BORN is set. However, freeze_bdev() iterates > > over superblocks using get_active_super() which can return > > a superblock without the MS_BORN flag set; during sys_mount > > mount_fs() sets the MS_BORN flag *after* sget() inserts the > > superblock in all the lists. > > > > If the analysis above is correct we do need the MS_BORN > > check. > Checking again I agree with you. But that seems more like an issue with > get_active_super() which shouldn't return superblock without MS_BORN. > Whatever... that can be left for a separate patch. Yes, let's leave it for a separate patch. Thanks, Fernando -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
