From 5ac40790b4708e4cb1a64ba2cb77320939bc5240 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 11 May 2018 12:51:03 -0600 Subject: [PATCH] libata: introduce notion of separate hardware tags Rigth now these are the same, but drivers should be using ->hw_tag for their command setup and issue. Signed-off-by: Jens Axboe Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 4 ++-- include/linux/libata.h | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 40caad1..4dc67c7 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1600,7 +1600,7 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, qc = __ata_qc_from_tag(ap, tag); - qc->tag = tag; + qc->tag = qc->hw_tag = tag; qc->scsicmd = NULL; qc->ap = ap; qc->dev = dev; @@ -5125,7 +5125,7 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag) } qc = __ata_qc_from_tag(ap, tag); - qc->tag = tag; + qc->tag = qc->hw_tag = tag; qc->scsicmd = NULL; qc->ap = ap; qc->dev = dev; diff --git a/include/linux/libata.h b/include/linux/libata.h index 1795fec..07a8d54 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -637,7 +637,8 @@ struct ata_queued_cmd { u8 cdb[ATAPI_CDB_LEN]; unsigned long flags; /* ATA_QCFLAG_xxx */ - unsigned int tag; + unsigned int tag; /* libata core tag */ + unsigned int hw_tag; /* driver tag */ unsigned int n_elem; unsigned int orig_n_elem; -- 2.7.4