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| author |   Stefan Bader <shbader@de.ibm.com> | 2005-07-27 11:45:04 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-27 16:26:05 -0700 |
| commit | 4111796d89b8cfa36054d65d9858460b5ec0e8c7 (patch) | |
| tree | f42f2822983882f391a99414d98a572cbc330f77 /drivers/s390/char/tape.h | |
| parent | [PATCH] s390: free dasd slab cache (diff) | |
| download | linux-dev-4111796d89b8cfa36054d65d9858460b5ec0e8c7.tar.xz linux-dev-4111796d89b8cfa36054d65d9858460b5ec0e8c7.zip | |
[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>
Diffstat (limited to 'drivers/s390/char/tape.h')
| -rw-r--r-- | drivers/s390/char/tape.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index d04e6c2c3cc1..01d865d93791 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 @@ enum tape_request_status { 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 @@ struct tape_device { /* 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 */ |