@@ -23,6 +23,7 @@
#include <linux/scatterlist.h>
#include <linux/slab.h>
+#include <linux/async.h>
#include <scsi/sas_ata.h>
#include "sas_internal.h"
@@ -600,22 +601,32 @@ int sas_discover_sata(struct domain_device *dev)
return 0;
}
+static void async_sas_ata_eh(void *data, async_cookie_t cookie)
+{
+ struct domain_device *dev = data;
+ struct ata_port *ap = dev->sata_dev.ap;
+ struct sas_ha_struct *ha = dev->port->ha;
+
+ ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler");
+ ata_scsi_port_error_handler(ha->core.shost, ap);
+}
+
void sas_ata_strategy_handler(struct Scsi_Host *shost)
{
struct scsi_device *sdev;
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
+ LIST_HEAD(async);
mutex_lock(&sas_ha->eh_mutex);
shost_for_each_device(sdev, shost) {
struct domain_device *ddev = sdev_to_domain_dev(sdev);
- struct ata_port *ap = ddev->sata_dev.ap;
if (!dev_is_sata(ddev))
continue;
- ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler");
- ata_scsi_port_error_handler(shost, ap);
+ async_schedule_domain(async_sas_ata_eh, ddev, &async);
}
+ async_synchronize_full_domain(&async);
mutex_unlock(&sas_ha->eh_mutex);
}
Once sas_ata_hard_reset() starts honoring the 'deadline' parameter a pathological configuration could take 25 seconds per ata device (serialized) to recover. Run per-port recoveries in parallel. Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- drivers/scsi/libsas/sas_ata.c | 17 ++++++++++++++--- 1 files changed, 14 insertions(+), 3 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html