dm cache metadata: Fix loading discard bitset
commit
e28adc3bf34e434b30e8d063df4823ba0f3e0529 upstream.
Add missing dm_bitset_cursor_next() to properly advance the bitset
cursor.
Otherwise, the discarded state of all blocks is set according to the
discarded state of the first block.
Fixes:
ae4a46a1f6 ("dm cache metadata: use bitset cursor api to load discard bitset")
Cc: stable@vger.kernel.org
Signed-off-by: Nikos Tsironis <ntsironis@arrikto.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>