From 8ba5a45c998cdbfb565fb7670782407c3e4a25ba Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 26 Mar 2020 16:58:02 +0100 Subject: ata: optimize struct ata_force_param size Optimize struct ata_force_param size by: - using u8 for cbl and spd_limit fields - using u16 for lflags field Code size savings on m68k arch using (modified) atari_defconfig: text data bss dec hex filename before: 41064 573 40 41677 a2cd drivers/ata/libata-core.o after: 40654 573 40 41267 a133 drivers/ata/libata-core.o Reviewed-by: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Jens Axboe --- include/linux/libata.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/libata.h') diff --git a/include/linux/libata.h b/include/linux/libata.h index 350fa584acde..236e4c55be48 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -174,6 +174,7 @@ enum { ATA_DEV_NONE = 11, /* no device */ /* struct ata_link flags */ + /* NOTE: struct ata_force_param currently stores lflags in u16 */ ATA_LFLAG_NO_HRST = (1 << 1), /* avoid hardreset */ ATA_LFLAG_NO_SRST = (1 << 2), /* avoid softreset */ ATA_LFLAG_ASSUME_ATA = (1 << 3), /* assume ATA class */ -- cgit v1.2.3-59-g8ed1b