[libata] linux/libata.h: reorganize ata_device struct members a bit
Put the big stuff at the end, to prepare for upcoming changes (and
also hopefully achieve nicer packing of remaining members).
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 395a523..d1dfe87 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -548,11 +548,6 @@
u64 n_sectors; /* size of device, if ATA */
unsigned int class; /* ATA_DEV_xxx */
- union {
- u16 id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
- u32 gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
- };
-
u8 pio_mode;
u8 dma_mode;
u8 xfer_mode;
@@ -574,8 +569,13 @@
u16 sectors; /* Number of sectors per track */
/* error history */
- struct ata_ering ering;
int spdn_cnt;
+ struct ata_ering ering;
+
+ union {
+ u16 id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
+ u32 gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
+ };
};
/* Offset into struct ata_device. Fields above it are maintained