#include <linux/major.h>
#include <linux/delay.h>
#include <linux/hdreg.h>
+#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
struct driver_context *drv_ctx = &g_blkvsc_drv.drv_ctx;
int ret;
- DPRINT_ENTER(BLKVSC_DRV);
-
vmbus_get_interface(&storvsc_drv_obj->Base.VmbusChannelInterface);
storvsc_drv_obj->RingBufferSize = blkvsc_ringbuffer_size;
/* The driver belongs to vmbus */
ret = vmbus_child_driver_register(drv_ctx);
- DPRINT_EXIT(BLKVSC_DRV);
-
return ret;
}
struct device *current_dev;
int ret;
- DPRINT_ENTER(BLKVSC_DRV);
-
while (1) {
current_dev = NULL;
vmbus_child_driver_unregister(drv_ctx);
- DPRINT_EXIT(BLKVSC_DRV);
-
return;
}
static int ide0_registered;
static int ide1_registered;
- DPRINT_ENTER(BLKVSC_DRV);
-
DPRINT_DBG(BLKVSC_DRV, "blkvsc_probe - enter");
if (!storvsc_drv_obj->Base.OnDeviceAdd) {
blkdev = NULL;
}
- DPRINT_EXIT(BLKVSC_DRV);
-
return ret;
}
unsigned long flags;
int ret;
- DPRINT_ENTER(BLKVSC_DRV);
-
DPRINT_DBG(BLKVSC_DRV, "blkvsc_remove()\n");
- if (!storvsc_drv_obj->Base.OnDeviceRemove) {
- DPRINT_EXIT(BLKVSC_DRV);
+ if (!storvsc_drv_obj->Base.OnDeviceRemove)
return -1;
- }
/*
* Call to the vsc driver to let it know that the device is being
kfree(blkdev);
- DPRINT_EXIT(BLKVSC_DRV);
-
return ret;
}
DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
blkdev->gd->disk_name);
+ lock_kernel();
spin_lock(&blkdev->lock);
if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
blkdev->users++;
spin_unlock(&blkdev->lock);
+ unlock_kernel();
return 0;
}
DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
blkdev->gd->disk_name);
+ lock_kernel();
spin_lock(&blkdev->lock);
if (blkdev->users == 1) {
spin_unlock(&blkdev->lock);
blkdev->users--;
spin_unlock(&blkdev->lock);
+ unlock_kernel();
return 0;
}
BUILD_BUG_ON(sizeof(sector_t) != 8);
- DPRINT_ENTER(BLKVSC_DRV);
-
DPRINT_INFO(BLKVSC_DRV, "Blkvsc initializing....");
ret = blkvsc_drv_init(BlkVscInitialize);
- DPRINT_EXIT(BLKVSC_DRV);
-
return ret;
}
static void __exit blkvsc_exit(void)
{
- DPRINT_ENTER(BLKVSC_DRV);
blkvsc_drv_exit();
- DPRINT_ENTER(BLKVSC_DRV);
}
MODULE_LICENSE("GPL");