On Thu, Jun 13, 2024 at 12:33:59PM GMT, Linus Torvalds wrote: > On Thu, 13 Jun 2024 at 11:56, Linus Torvalds > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > I didn't *think* anything in the dentry struct should care about > > debugging, but clearly that sequence number thing did. > > Looking at the 32-bit build, it looks like out current 'struct dentry' > is 136 bytes in size, not 128. > > Looks like DNAME_INLINE_LEN should be reduced to 36 on 32-bit. > > And moving d_lockref to after d_fsdata works there too. > > Not that anybody really cares, but let's make sure it's actually > properly done when this is changed. Christian? So I verified that indeed on i386 with CONFIG_SMP we need 36 to get to 128 bytes and yes, moving d_lockref after d_fsdata works. So I've put that patch on top. (Sorry, took a bit. I'm back tomorrow.)