EH is gonna record errors per-dev. Define per-dev ata_ering.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
drivers/scsi/libata-core.c | 1 +
include/linux/libata.h | 4 ++++
2 files changed, 5 insertions(+), 0 deletions(-)
17d6991533312fcce8cb213ddabd164af7e9f88e
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index a05be86..afb7796 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4871,6 +4871,7 @@ static void ata_host_init(struct ata_por
dev->pio_mask = UINT_MAX;
dev->mwdma_mask = UINT_MAX;
dev->udma_mask = UINT_MAX;
+ ata_ering_init(&dev->ering, ATA_DEV_ERING_SIZE);
}
#ifdef ATA_IRQ_TRAP
diff --git a/include/linux/libata.h b/include/linux/libata.h
index ad16d6b..1a4df14 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -135,6 +135,8 @@ enum {
ATA_DEV_ATAPI_UNSUP = 4, /* ATAPI device (unsupported) */
ATA_DEV_NONE = 5, /* no device */
+ ATA_DEV_ERING_SIZE = 32, /* record 32 recent errors */
+
/* struct ata_port flags */
ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
/* (doesn't imply presence) */
@@ -417,6 +419,8 @@ struct ata_device {
u16 cylinders; /* Number of cylinders */
u16 heads; /* Number of heads */
u16 sectors; /* Number of sectors per track */
+
+ DEFINE_ATA_ERING (ering, ATA_DEV_ERING_SIZE);
};
struct ata_port {
--
1.2.4
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