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| author | Jens Axboe <axboe@kernel.dk> | 2018-05-11 20:51:05 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2018-05-11 22:10:43 +0200 |
| commit | e3ed8939644166a7560a33c46f508584a7f1756a (patch) | |
| tree | f8b52a6aeb75ec45f131373880c53d922e972f77 /drivers/ata/libata-core.c | |
| parent | libata: convert core and drivers to ->hw_tag usage (diff) | |
| download | linux-e3ed8939644166a7560a33c46f508584a7f1756a.tar.xz linux-e3ed8939644166a7560a33c46f508584a7f1756a.zip | |
libata: bump ->qc_active to a 64-bit type
This is in preparation for allowing full usage of the tag space,
which means that our reserved error handling command will be
using an internal tag value of 32. This doesn't fit in a u32, so
move to a u64.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 1687e24d3633..b079c3b5ec27 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1571,7 +1571,8 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, int auto_timeout = 0; struct ata_queued_cmd *qc; unsigned int tag, preempted_tag; - u32 preempted_sactive, preempted_qc_active; + u32 preempted_sactive; + u64 preempted_qc_active; int preempted_nr_active_links; DECLARE_COMPLETION_ONSTACK(wait); unsigned long flags; @@ -5195,7 +5196,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc) * is called. (when rc != 0 and atapi request sense is needed) */ qc->flags &= ~ATA_QCFLAG_ACTIVE; - ap->qc_active &= ~(1 << qc->tag); + ap->qc_active &= ~(1ULL << qc->tag); /* call completion callback */ qc->complete_fn(qc); @@ -5352,29 +5353,29 @@ void ata_qc_complete(struct ata_queued_cmd *qc) * RETURNS: * Number of completed commands on success, -errno otherwise. */ -int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active) +int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active) { int nr_done = 0; - u32 done_mask; + u64 done_mask; done_mask = ap->qc_active ^ qc_active; if (unlikely(done_mask & qc_active)) { - ata_port_err(ap, "illegal qc_active transition (%08x->%08x)\n", + ata_port_err(ap, "illegal qc_active transition (%08llx->%08llx)\n", ap->qc_active, qc_active); return -EINVAL; } while (done_mask) { struct ata_queued_cmd *qc; - unsigned int tag = __ffs(done_mask); + unsigned int tag = __ffs64(done_mask); qc = ata_qc_from_tag(ap, tag); if (qc) { ata_qc_complete(qc); nr_done++; } - done_mask &= ~(1 << tag); + done_mask &= ~(1ULL << tag); } return nr_done; @@ -5418,7 +5419,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc) } qc->flags |= ATA_QCFLAG_ACTIVE; - ap->qc_active |= 1 << qc->tag; + ap->qc_active |= 1ULL << qc->tag; /* * We guarantee to LLDs that they will have at least one |