BackPup/Linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-25 21:21:09 -04:00
Code Issues Packages Projects Releases Wiki Activity

scsi: hisi_sas: Put reserved tags in lower region of tagset

Browse Source 
To be consistent with blk-mq, put the reserved tags in the lower region of
the tagset. Eventually we hope to get rid of all this reserved tag
management.

Signed-off-by: John Garry <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
This commit is contained in:
John Garry
2022-10-22 03:02:51 +00:00
committed by Martin K. Petersen
parent 295fd2330a
commit f7d190a94e
1 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/scsi/hisi_sas/hisi_sas_main.c
+7 -7
View File
@@ -183,16 +183,16 @@ static int hisi_sas_slot_index_alloc(struct hisi_hba *hisi_hba,
void *bitmap = hisi_hba->slot_index_tags;
if (rq)
return rq->tag;
return rq->tag + HISI_SAS_RESERVED_IPTT;
spin_lock(&hisi_hba->lock);
index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count,
index = find_next_zero_bit(bitmap, HISI_SAS_RESERVED_IPTT,
hisi_hba->last_slot_index + 1);
if (index >= hisi_hba->slot_index_count) {
if (index >= HISI_SAS_RESERVED_IPTT) {
index = find_next_zero_bit(bitmap,
hisi_hba->slot_index_count,
HISI_SAS_UNRESERVED_IPTT);
if (index >= hisi_hba->slot_index_count) {
HISI_SAS_RESERVED_IPTT,
0);
if (index >= HISI_SAS_RESERVED_IPTT) {
spin_unlock(&hisi_hba->lock);
return -SAS_QUEUE_FULL;
}
@@ -2216,7 +2216,7 @@ int hisi_sas_alloc(struct hisi_hba *hisi_hba)
if (!hisi_hba->sata_breakpoint)
goto err_out;
hisi_hba->last_slot_index = HISI_SAS_UNRESERVED_IPTT;
hisi_hba->last_slot_index = 0;
hisi_hba->wq = create_singlethread_workqueue(dev_name(dev));
if (!hisi_hba->wq) {