Instead of traversing the list of possible commands by hands we
should be using scsi_host_busy_iter() to figure out if there are
outstanding commands.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Acked-by: Balsundar P < Balsundar.P@xxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/scsi/aacraid/comminit.c | 35 +++++++++++++++++------------------
1 file changed, 17 insertions(+), 18 deletions(-)
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index f75878d773cf..355b16f0b145 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -272,36 +272,35 @@ static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem,
q->entries = qsize;
}
+static bool wait_for_io_iter(struct scsi_cmnd *cmd, void *data, bool rsvd)
+{
+ int *active = data;
+
+ if (cmd->SCp.phase == AAC_OWNER_FIRMWARE)
+ *active = *active + 1;
+ return true;
+}
static void aac_wait_for_io_completion(struct aac_dev *aac)
{
- unsigned long flagv = 0;
- int i = 0;
+ int i = 0, active;
for (i = 60; i; --i) {
- struct scsi_device *dev;
- struct scsi_cmnd *command;
- int active = 0;
-
- __shost_for_each_device(dev, aac->scsi_host_ptr) {
- spin_lock_irqsave(&dev->list_lock, flagv);
- list_for_each_entry(command, &dev->cmd_list, list) {
- if (command->SCp.phase == AAC_OWNER_FIRMWARE) {
- active++;
- break;
- }
- }
- spin_unlock_irqrestore(&dev->list_lock, flagv);
- if (active)
- break;
- }
+ active = 0;
+ scsi_host_busy_iter(aac->scsi_host_ptr,
+ wait_for_io_iter, &active);
/*
* We can exit If all the commands are complete
*/
if (active == 0)
break;
+ dev_info(&aac->pdev->dev,
+ "Wait for %d commands to complete\n", active);
ssleep(1);
}
+ if (active)
+ dev_err(&aac->pdev->dev,
+ "%d outstanding commands during shutdown\n", active);
}
/**
--
2.16.4
