diff options
| author |   Jens Axboe <axboe@kernel.dk> | 2018-05-11 12:51:03 -0600 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2018-05-11 13:10:42 -0700 |
| commit | 5ac40790b4708e4cb1a64ba2cb77320939bc5240 (patch) | |
| tree | aa986357a8e8387bbcdbf92520a32d87310faf19 | |
| parent | libata: Fix command retry decision (diff) | |
| download | linux-dev-5ac40790b4708e4cb1a64ba2cb77320939bc5240.tar.xz linux-dev-5ac40790b4708e4cb1a64ba2cb77320939bc5240.zip | |
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 <axboe@kernel.dk>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/ata/libata-core.c | 4 | ||||
| -rw-r--r-- | 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 40caad1d8b43..4dc67c770429 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 1795fecdea17..07a8d54ba7af 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; |