On Wed, Sep 13, 2023 at 12:10:56PM -0400, Alan Stern wrote: > On Wed, Sep 13, 2023 at 08:10:04AM -0300, Christoph Hellwig wrote: > > Creating new a new super_block vs freeing the old one for single instance > > file systems is serialized by the wait for SB_DEAD. > > > > Remove the superfluous sb_mutex. > > > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > --- > > You might mention that this is essentially a reversion of commit > d18dcfe9860e ("USB: gadgetfs: Fix race between mounting and > unmounting"). The difference we have now is that sb creation waits for the old one to go way, but I'll add a notice on all that.