md/raid5-ppl: Use atomic64_inc_return() in ppl_new_iounit()

Use atomic64_inc_return(&ref) instead of atomic64_add_return(1, &ref)
to use optimized implementation and ease register pressure around
the primitive for targets that implement optimized variant.

Signed-off-by: Uros Bizjak <[email protected]>
Cc: Song Liu <[email protected]>
Cc: Yu Kuai <[email protected]>
Reviewed-by: Yu Kuai <[email protected]>
Reviewed-by: Artur Paszkiewicz <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Song Liu <[email protected]>

0 files changed, 0 insertions, 0 deletions