bit_clear_unless 2572 drivers/md/md.c bit_clear_unless(&mddev->sb_flags, BIT(MD_SB_CHANGE_PENDING), bit_clear_unless 2721 drivers/md/md.c !bit_clear_unless(&mddev->sb_flags, BIT(MD_SB_CHANGE_PENDING), bit_clear_unless 260 include/linux/bitops.h #ifndef bit_clear_unless