On Wed, Aug 02, 2023 at 05:41:28PM +0200, Christoph Hellwig wrote: > Just like get_tree_bdev needs to drop s_umount when opening the main > device, we need to do the same for the ext4 log device to avoid a > potential lock order reversal with s_unmount for the mark_dead path. > > It might be preferable to just drop s_umount over ->fill_super entirely, > but that will require a fairly massive audit first, so we'll do the easy > version here first. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Theodore Ts'o <tytso@xxxxxxx>
