#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_device.h>
+#include <scsi/scsi_driver.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
scsi_print_command(cmd);
if (level > 3) {
printk(KERN_INFO "buffer = 0x%p, bufflen = %d,"
- " done = 0x%p, queuecommand 0x%p\n",
+ " queuecommand 0x%p\n",
scsi_sglist(cmd), scsi_bufflen(cmd),
- cmd->done,
cmd->device->host->hostt->queuecommand);
}
#endif
/*
- * Assign a serial number and pid to the request for error recovery
+ * Assign a serial number to the request for error recovery
* and debugging purposes. Protected by the Host_Lock of host.
*/
static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd)
cmd->serial_number = host->cmd_serial_number++;
if (cmd->serial_number == 0)
cmd->serial_number = host->cmd_serial_number++;
-
- cmd->pid = host->cmd_pid++;
- if (cmd->pid == 0)
- cmd->pid = host->cmd_pid++;
}
/*
blk_complete_request(rq);
}
+/* Move this to a header if it becomes more generally useful */
+static struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
+{
+ return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
+}
+
/*
* Function: scsi_finish_command
*
{
struct scsi_device *sdev = cmd->device;
struct Scsi_Host *shost = sdev->host;
+ struct scsi_driver *drv;
+ unsigned int good_bytes;
scsi_device_unbusy(sdev);
"Notifying upper driver of completion "
"(result %x)\n", cmd->result));
- cmd->done(cmd);
+ good_bytes = cmd->request_bufflen;
+ if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) {
+ drv = scsi_cmd_to_driver(cmd);
+ if (drv->done)
+ good_bytes = drv->done(cmd);
+ }
+ scsi_io_completion(cmd, good_bytes);
}
EXPORT_SYMBOL(scsi_finish_command);
* starget_for_each_device - helper to walk all devices of a target
* @starget: target whose devices we want to iterate over.
*
- * This traverses over each devices of @shost. The devices have
+ * This traverses over each device of @starget. The devices have
* a reference that must be released by scsi_host_put when breaking
* out of the loop.
*/
-void starget_for_each_device(struct scsi_target *starget, void * data,
+void starget_for_each_device(struct scsi_target *starget, void *data,
void (*fn)(struct scsi_device *, void *))
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
}
EXPORT_SYMBOL(starget_for_each_device);
+/**
+ * __starget_for_each_device - helper to walk all devices of a target
+ * (UNLOCKED)
+ * @starget: target whose devices we want to iterate over.
+ *
+ * This traverses over each device of @starget. It does _not_
+ * take a reference on the scsi_device, so the whole loop must be
+ * protected by shost->host_lock.
+ *
+ * Note: The only reason why drivers would want to use this is because
+ * they need to access the device list in irq context. Otherwise you
+ * really want to use starget_for_each_device instead.
+ **/
+void __starget_for_each_device(struct scsi_target *starget, void *data,
+ void (*fn)(struct scsi_device *, void *))
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct scsi_device *sdev;
+
+ __shost_for_each_device(sdev, shost) {
+ if ((sdev->channel == starget->channel) &&
+ (sdev->id == starget->id))
+ fn(sdev, data);
+ }
+}
+EXPORT_SYMBOL(__starget_for_each_device);
+
/**
* __scsi_device_lookup_by_target - find a device given the target (UNLOCKED)
* @starget: SCSI target pointer