six locks: lock->state.seq no longer used for write lock held

lock->state.seq is shortly being moved out of lock->state, to kill the
depedency on atomic64; in preparation for that, we change the write
locking bit to write locked.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-06-16 18:24:05 -04:00
commit b60c8e9e7b