[SCSI] fix scsi process problems and clean up the target reap issues

[firefly-linux-kernel-4.4.55.git] / include / scsi / scsi_device.h

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 8d77da932d2c33cc1794ff69e9c13c8e93e6fa4b..1ec17ee1281589ab8f955fec57d5333f8c048f20 100644 (file)
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -4,6 +4,7 @@
 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
+#include <linux/workqueue.h>
 #include <asm/atomic.h>
 
 struct request_queue;
@@ -137,6 +138,8 @@ struct scsi_device {
        struct device           sdev_gendev;
        struct class_device     sdev_classdev;
 
+       struct execute_work     ew; /* used to get process context on put */
+
        enum scsi_device_state sdev_state;
        unsigned long           sdev_data[0];
 } __attribute__((aligned(sizeof(unsigned long))));
@@ -153,6 +156,11 @@ struct scsi_device {
 #define scmd_printk(prefix, scmd, fmt, a...)   \
        dev_printk(prefix, &(scmd)->device->sdev_gendev, fmt, ##a)
 
+enum scsi_target_state {
+       STARGET_RUNNING = 1,
+       STARGET_DEL,
+};
+
 /*
  * scsi_target: representation of a scsi target, for now, this is only
  * used for single_lun devices. If no one has active IO to the target,
@@ -172,6 +180,8 @@ struct scsi_target {
                                                /* means no lun present */
 
        char                    scsi_level;
+       struct execute_work     ew;
+       enum scsi_target_state  state;
        void                    *hostdata; /* available to low-level driver */
        unsigned long           starget_data[0]; /* for the transport */
        /* starget_data must be the last element!!!! */