Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

[linux-2.6-omap-h63xx.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index bca3ba25f52ac3cba6c983eb66c0e78ce3074fd9..dc18b87ed72244e90e898f43885f5bdca3c806b2 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -275,7 +275,7 @@ enum {
         * advised to wait only for the following duration before
         * doing SRST.
         */
-       ATA_TMOUT_PMP_SRST_WAIT = 1000,
+       ATA_TMOUT_PMP_SRST_WAIT = 5000,
 
        /* ATA bus states */
        BUS_UNKNOWN             = 0,
@@ -380,6 +380,7 @@ enum {
        ATA_HORKAGE_ATAPI_MOD16_DMA = (1 << 11), /* use ATAPI DMA for commands
                                                    not multiple of 16 bytes */
        ATA_HORKAGE_FIRMWARE_WARN = (1 << 12),  /* firwmare update warning */
+       ATA_HORKAGE_1_5_GBPS    = (1 << 13),    /* force 1.5 Gbps */
 
         /* DMA mask for user DMA control: User visible values; DO NOT
            renumber */
@@ -529,6 +530,7 @@ struct ata_queued_cmd {
        unsigned long           flags;          /* ATA_QCFLAG_xxx */
        unsigned int            tag;
        unsigned int            n_elem;
+       unsigned int            orig_n_elem;
 
        int                     dma_dir;
 
@@ -580,7 +582,7 @@ struct ata_device {
        acpi_handle             acpi_handle;
        union acpi_object       *gtf_cache;
 #endif
-       /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
+       /* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
        u64                     n_sectors;      /* size of device, if ATA */
        unsigned int            class;          /* ATA_DEV_xxx */
        unsigned long           unpark_deadline;
@@ -605,20 +607,22 @@ struct ata_device {
        u16                     heads;          /* Number of heads */
        u16                     sectors;        /* Number of sectors per track */
 
-       /* error history */
-       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 */
        };
+
+       /* error history */
+       int                     spdn_cnt;
+       /* ering is CLEAR_END, read comment above CLEAR_END */
+       struct ata_ering        ering;
 };
 
-/* Offset into struct ata_device.  Fields above it are maintained
- * acress device init.  Fields below are zeroed.
+/* Fields between ATA_DEVICE_CLEAR_BEGIN and ATA_DEVICE_CLEAR_END are
+ * cleared to zero on ata_dev_init().
  */
-#define ATA_DEVICE_CLEAR_OFFSET                offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_BEGIN         offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_END           offsetof(struct ata_device, ering)
 
 struct ata_eh_info {
        struct ata_device       *dev;           /* offending device */
@@ -747,7 +751,8 @@ struct ata_port {
        acpi_handle             acpi_handle;
        struct ata_acpi_gtm     __acpi_init_gtm; /* use ata_acpi_init_gtm() */
 #endif
-       u8                      sector_buf[ATA_SECT_SIZE]; /* owned by EH */
+       /* owned by EH */
+       u8                      sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
 };
 
 /* The following initializer overrides a method to NULL whether one of