[PATCH] s390: channel tape fixes
Tape driver fixes:
- Added deferred condition handling to tape driver core.
- Added ability to handle busy conditions.
- Code cleanup.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index d04e6c2..01d865d 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -3,10 +3,11 @@
* tape device driver for 3480/3490E/3590 tapes.
*
* S390 and zSeries version
- * Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Tuan Ngo-Anh <ngoanh@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
+ * Stefan Bader <shbader@de.ibm.com>
*/
#ifndef _TAPE_H
@@ -111,6 +112,7 @@
TAPE_REQUEST_QUEUED, /* request is queued to be processed */
TAPE_REQUEST_IN_IO, /* request is currently in IO */
TAPE_REQUEST_DONE, /* request is completed. */
+ TAPE_REQUEST_CANCEL, /* request should be canceled. */
};
/* Tape CCW request */
@@ -237,6 +239,9 @@
/* Block dev frontend data */
struct tape_blk_data blk_data;
#endif
+
+ /* Function to start or stop the next request later. */
+ struct work_struct tape_dnr;
};
/* Externals from tape_core.c */