* Stefan Bader <shbader@de.ibm.com>
*/
+#define KMSG_COMPONENT "tape"
+
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/blkdev.h>
#include "tape.h"
-#define PRINTK_HEADER "TAPE_BLOCK: "
-
#define TAPEBLOCK_MAX_SEC 100
#define TAPEBLOCK_MIN_REQUEUE 3
static void
tapeblock_end_request(struct request *req, int error)
{
- if (__blk_end_request(req, error, blk_rq_bytes(req)))
+ if (blk_end_request(req, error, blk_rq_bytes(req)))
BUG();
}
nr_queued++;
spin_unlock(get_ccwdev_lock(device->cdev));
- spin_lock(&device->blk_data.request_queue_lock);
+ spin_lock_irq(&device->blk_data.request_queue_lock);
while (
!blk_queue_plugged(queue) &&
elv_next_request(queue) &&
if (rq_data_dir(req) == WRITE) {
DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
blkdev_dequeue_request(req);
+ spin_unlock_irq(&device->blk_data.request_queue_lock);
tapeblock_end_request(req, -EIO);
+ spin_lock_irq(&device->blk_data.request_queue_lock);
continue;
}
blkdev_dequeue_request(req);
tape_put_device(device);
if (!device->blk_data.disk) {
- PRINT_ERR("(%s): No gendisk to clean up!\n",
- dev_name(&device->cdev->dev));
goto cleanup_queue;
}
if (!device->blk_data.medium_changed)
return 0;
- PRINT_INFO("Detecting media size...\n");
+ dev_info(&device->cdev->dev, "Determining the size of the recorded "
+ "area...\n");
rc = tape_mtop(device, MTFSFM, 1);
if (rc)
return rc;
device->bof = rc;
nr_of_blks -= rc;
- PRINT_INFO("Found %i blocks on media\n", nr_of_blks);
+ dev_info(&device->cdev->dev, "The size of the recorded area is %i "
+ "blocks\n", nr_of_blks);
set_capacity(device->blk_data.disk,
nr_of_blks*(TAPEBLOCK_HSEC_SIZE/512));
if (device->required_tapemarks) {
DBF_EVENT(2, "TBLOCK: missing tapemarks\n");
- PRINT_ERR("TBLOCK: Refusing to open tape with missing"
- " end of file marks.\n");
+ dev_warn(&device->cdev->dev, "Opening the tape failed because"
+ " of missing end-of-file marks\n");
rc = -EPERM;
goto put_device;
}
rc = -EINVAL;
break;
default:
- PRINT_WARN("invalid ioctl 0x%x\n", command);
rc = -EINVAL;
}
if (tapeblock_major == 0)
tapeblock_major = rc;
- PRINT_INFO("tape gets major %d for block device\n", tapeblock_major);
return 0;
}