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[S390] dasd whitespace and other cosmetics. 

Dasd code cleanup: 1) remove white space, 2) remove the emacs override
sections, and 3) use kzalloc instead of kmalloc.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Horst Hummel 2006-06-29 14:58:12 +02:00 committed by Martin Schwidefsky
parent 63b1224664
commit 138c014dcb
15 changed files with 173 additions and 304 deletions
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54
drivers/s390/block/dasd.c
View File

@ -95,7 +95,7 @@ dasd_alloc_device(void)
spin_lock_init(&device->mem_lock); spin_lock_init(&device->mem_lock);
spin_lock_init(&device->request_queue_lock); spin_lock_init(&device->request_queue_lock);
atomic_set (&device->tasklet_scheduled, 0); atomic_set (&device->tasklet_scheduled, 0);
tasklet_init(&device->tasklet, tasklet_init(&device->tasklet,
(void (*)(unsigned long)) dasd_tasklet, (void (*)(unsigned long)) dasd_tasklet,
(unsigned long) device); (unsigned long) device);
INIT_LIST_HEAD(&device->ccw_queue); INIT_LIST_HEAD(&device->ccw_queue);
@ -128,7 +128,7 @@ dasd_state_new_to_known(struct dasd_device *device)
int rc; int rc;
/* /*
* As long as the device is not in state DASD_STATE_NEW we want to * As long as the device is not in state DASD_STATE_NEW we want to
* keep the reference count > 0. * keep the reference count > 0.
*/ */
dasd_get_device(device); dasd_get_device(device);
@ -336,7 +336,7 @@ dasd_decrease_state(struct dasd_device *device)
if (device->state == DASD_STATE_ONLINE && if (device->state == DASD_STATE_ONLINE &&
device->target <= DASD_STATE_READY) device->target <= DASD_STATE_READY)
dasd_state_online_to_ready(device); dasd_state_online_to_ready(device);
if (device->state == DASD_STATE_READY && if (device->state == DASD_STATE_READY &&
device->target <= DASD_STATE_BASIC) device->target <= DASD_STATE_BASIC)
dasd_state_ready_to_basic(device); dasd_state_ready_to_basic(device);
@ -348,7 +348,7 @@ dasd_decrease_state(struct dasd_device *device)
if (device->state == DASD_STATE_BASIC && if (device->state == DASD_STATE_BASIC &&
device->target <= DASD_STATE_KNOWN) device->target <= DASD_STATE_KNOWN)
dasd_state_basic_to_known(device); dasd_state_basic_to_known(device);
if (device->state == DASD_STATE_KNOWN && if (device->state == DASD_STATE_KNOWN &&
device->target <= DASD_STATE_NEW) device->target <= DASD_STATE_NEW)
dasd_state_known_to_new(device); dasd_state_known_to_new(device);
@ -994,7 +994,7 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
((irb->scsw.cstat << 8) | irb->scsw.dstat), cqr); ((irb->scsw.cstat << 8) | irb->scsw.dstat), cqr);
/* Find out the appropriate era_action. */ /* Find out the appropriate era_action. */
if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC)
era = dasd_era_fatal; era = dasd_era_fatal;
else if (irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) && else if (irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) &&
irb->scsw.cstat == 0 && irb->scsw.cstat == 0 &&
@ -1004,7 +1004,7 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
era = dasd_era_fatal; /* don't recover this request */ era = dasd_era_fatal; /* don't recover this request */
else if (irb->esw.esw0.erw.cons) else if (irb->esw.esw0.erw.cons)
era = device->discipline->examine_error(cqr, irb); era = device->discipline->examine_error(cqr, irb);
else else
era = dasd_era_recover; era = dasd_era_recover;
DBF_DEV_EVENT(DBF_DEBUG, device, "era_code %d", era); DBF_DEV_EVENT(DBF_DEBUG, device, "era_code %d", era);
@ -1287,7 +1287,7 @@ __dasd_start_head(struct dasd_device * device)
} }
/* /*
* Remove requests from the ccw queue. * Remove requests from the ccw queue.
*/ */
static void static void
dasd_flush_ccw_queue(struct dasd_device * device, int all) dasd_flush_ccw_queue(struct dasd_device * device, int all)
@ -1450,23 +1450,23 @@ dasd_sleep_on(struct dasd_ccw_req * cqr)
wait_queue_head_t wait_q; wait_queue_head_t wait_q;
struct dasd_device *device; struct dasd_device *device;
int rc; int rc;
device = cqr->device; device = cqr->device;
spin_lock_irq(get_ccwdev_lock(device->cdev)); spin_lock_irq(get_ccwdev_lock(device->cdev));
init_waitqueue_head (&wait_q); init_waitqueue_head (&wait_q);
cqr->callback = dasd_wakeup_cb; cqr->callback = dasd_wakeup_cb;
cqr->callback_data = (void *) &wait_q; cqr->callback_data = (void *) &wait_q;
cqr->status = DASD_CQR_QUEUED; cqr->status = DASD_CQR_QUEUED;
list_add_tail(&cqr->list, &device->ccw_queue); list_add_tail(&cqr->list, &device->ccw_queue);
/* let the bh start the request to keep them in order */ /* let the bh start the request to keep them in order */
dasd_schedule_bh(device); dasd_schedule_bh(device);
spin_unlock_irq(get_ccwdev_lock(device->cdev)); spin_unlock_irq(get_ccwdev_lock(device->cdev));
wait_event(wait_q, _wait_for_wakeup(cqr)); wait_event(wait_q, _wait_for_wakeup(cqr));
/* Request status is either done or failed. */ /* Request status is either done or failed. */
rc = (cqr->status == DASD_CQR_FAILED) ? -EIO : 0; rc = (cqr->status == DASD_CQR_FAILED) ? -EIO : 0;
return rc; return rc;
@ -1568,7 +1568,7 @@ dasd_sleep_on_immediatly(struct dasd_ccw_req * cqr)
wait_queue_head_t wait_q; wait_queue_head_t wait_q;
struct dasd_device *device; struct dasd_device *device;
int rc; int rc;
device = cqr->device; device = cqr->device;
spin_lock_irq(get_ccwdev_lock(device->cdev)); spin_lock_irq(get_ccwdev_lock(device->cdev));
rc = _dasd_term_running_cqr(device); rc = _dasd_term_running_cqr(device);
@ -1576,20 +1576,20 @@ dasd_sleep_on_immediatly(struct dasd_ccw_req * cqr)
spin_unlock_irq(get_ccwdev_lock(device->cdev)); spin_unlock_irq(get_ccwdev_lock(device->cdev));
return rc; return rc;
} }
init_waitqueue_head (&wait_q); init_waitqueue_head (&wait_q);
cqr->callback = dasd_wakeup_cb; cqr->callback = dasd_wakeup_cb;
cqr->callback_data = (void *) &wait_q; cqr->callback_data = (void *) &wait_q;
cqr->status = DASD_CQR_QUEUED; cqr->status = DASD_CQR_QUEUED;
list_add(&cqr->list, &device->ccw_queue); list_add(&cqr->list, &device->ccw_queue);
/* let the bh start the request to keep them in order */ /* let the bh start the request to keep them in order */
dasd_schedule_bh(device); dasd_schedule_bh(device);
spin_unlock_irq(get_ccwdev_lock(device->cdev)); spin_unlock_irq(get_ccwdev_lock(device->cdev));
wait_event(wait_q, _wait_for_wakeup(cqr)); wait_event(wait_q, _wait_for_wakeup(cqr));
/* Request status is either done or failed. */ /* Request status is either done or failed. */
rc = (cqr->status == DASD_CQR_FAILED) ? -EIO : 0; rc = (cqr->status == DASD_CQR_FAILED) ? -EIO : 0;
return rc; return rc;
@ -1725,7 +1725,7 @@ dasd_flush_request_queue(struct dasd_device * device)
if (!device->request_queue) if (!device->request_queue)
return; return;
spin_lock_irq(&device->request_queue_lock); spin_lock_irq(&device->request_queue_lock);
while (!list_empty(&device->request_queue->queue_head)) { while (!list_empty(&device->request_queue->queue_head)) {
req = elv_next_request(device->request_queue); req = elv_next_request(device->request_queue);
@ -2172,21 +2172,3 @@ EXPORT_SYMBOL_GPL(dasd_generic_set_online);
EXPORT_SYMBOL_GPL(dasd_generic_set_offline); EXPORT_SYMBOL_GPL(dasd_generic_set_offline);
EXPORT_SYMBOL_GPL(dasd_generic_auto_online); EXPORT_SYMBOL_GPL(dasd_generic_auto_online);
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

27
drivers/s390/block/dasd_3370_erp.c
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_3370_erp.c * File...........: linux/drivers/s390/block/dasd_3370_erp.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
@ -12,10 +12,10 @@
/* /*
* DASD_3370_ERP_EXAMINE * DASD_3370_ERP_EXAMINE
* *
* DESCRIPTION * DESCRIPTION
* Checks only for fatal/no/recover error. * Checks only for fatal/no/recover error.
* A detailed examination of the sense data is done later outside * A detailed examination of the sense data is done later outside
* the interrupt handler. * the interrupt handler.
* *
@ -23,7 +23,7 @@
* 'Chapter 7. 3370 Sense Data'. * 'Chapter 7. 3370 Sense Data'.
* *
* RETURN VALUES * RETURN VALUES
* dasd_era_none no error * dasd_era_none no error
* dasd_era_fatal for all fatal (unrecoverable errors) * dasd_era_fatal for all fatal (unrecoverable errors)
* dasd_era_recover for all others. * dasd_era_recover for all others.
*/ */
@ -82,22 +82,3 @@ dasd_3370_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb)
return dasd_era_recover; return dasd_era_recover;
} /* END dasd_3370_erp_examine */ } /* END dasd_3370_erp_examine */
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

189
drivers/s390/block/dasd_3990_erp.c
View File

@ -1,6 +1,6 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_3990_erp.c * File...........: linux/drivers/s390/block/dasd_3990_erp.c
* Author(s)......: Horst Hummel <Horst.Hummel@de.ibm.com> * Author(s)......: Horst Hummel <Horst.Hummel@de.ibm.com>
* Holger Smolinski <Holger.Smolinski@de.ibm.com> * Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001
@ -25,23 +25,23 @@ struct DCTL_data {
} __attribute__ ((packed)); } __attribute__ ((packed));
/* /*
***************************************************************************** *****************************************************************************
* SECTION ERP EXAMINATION * SECTION ERP EXAMINATION
***************************************************************************** *****************************************************************************
*/ */
/* /*
* DASD_3990_ERP_EXAMINE_24 * DASD_3990_ERP_EXAMINE_24
* *
* DESCRIPTION * DESCRIPTION
* Checks only for fatal (unrecoverable) error. * Checks only for fatal (unrecoverable) error.
* A detailed examination of the sense data is done later outside * A detailed examination of the sense data is done later outside
* the interrupt handler. * the interrupt handler.
* *
* Each bit configuration leading to an action code 2 (Exit with * Each bit configuration leading to an action code 2 (Exit with
* programming error or unusual condition indication) * programming error or unusual condition indication)
* are handled as fatal error´s. * are handled as fatal error´s.
* *
* All other configurations are handled as recoverable errors. * All other configurations are handled as recoverable errors.
* *
* RETURN VALUES * RETURN VALUES
@ -93,15 +93,15 @@ dasd_3990_erp_examine_24(struct dasd_ccw_req * cqr, char *sense)
} /* END dasd_3990_erp_examine_24 */ } /* END dasd_3990_erp_examine_24 */
/* /*
* DASD_3990_ERP_EXAMINE_32 * DASD_3990_ERP_EXAMINE_32
* *
* DESCRIPTION * DESCRIPTION
* Checks only for fatal/no/recoverable error. * Checks only for fatal/no/recoverable error.
* A detailed examination of the sense data is done later outside * A detailed examination of the sense data is done later outside
* the interrupt handler. * the interrupt handler.
* *
* RETURN VALUES * RETURN VALUES
* dasd_era_none no error * dasd_era_none no error
* dasd_era_fatal for all fatal (unrecoverable errors) * dasd_era_fatal for all fatal (unrecoverable errors)
* dasd_era_recover for recoverable others. * dasd_era_recover for recoverable others.
*/ */
@ -128,10 +128,10 @@ dasd_3990_erp_examine_32(struct dasd_ccw_req * cqr, char *sense)
} /* end dasd_3990_erp_examine_32 */ } /* end dasd_3990_erp_examine_32 */
/* /*
* DASD_3990_ERP_EXAMINE * DASD_3990_ERP_EXAMINE
* *
* DESCRIPTION * DESCRIPTION
* Checks only for fatal/no/recover error. * Checks only for fatal/no/recover error.
* A detailed examination of the sense data is done later outside * A detailed examination of the sense data is done later outside
* the interrupt handler. * the interrupt handler.
* *
@ -139,7 +139,7 @@ dasd_3990_erp_examine_32(struct dasd_ccw_req * cqr, char *sense)
* 'Chapter 7. Error Recovery Procedures'. * 'Chapter 7. Error Recovery Procedures'.
* *
* RETURN VALUES * RETURN VALUES
* dasd_era_none no error * dasd_era_none no error
* dasd_era_fatal for all fatal (unrecoverable errors) * dasd_era_fatal for all fatal (unrecoverable errors)
* dasd_era_recover for all others. * dasd_era_recover for all others.
*/ */
@ -178,18 +178,18 @@ dasd_3990_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb)
} /* END dasd_3990_erp_examine */ } /* END dasd_3990_erp_examine */
/* /*
***************************************************************************** *****************************************************************************
* SECTION ERP HANDLING * SECTION ERP HANDLING
***************************************************************************** *****************************************************************************
*/ */
/* /*
***************************************************************************** *****************************************************************************
* 24 and 32 byte sense ERP functions * 24 and 32 byte sense ERP functions
***************************************************************************** *****************************************************************************
*/ */
/* /*
* DASD_3990_ERP_CLEANUP * DASD_3990_ERP_CLEANUP
* *
* DESCRIPTION * DESCRIPTION
* Removes the already build but not necessary ERP request and sets * Removes the already build but not necessary ERP request and sets
@ -197,10 +197,10 @@ dasd_3990_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb)
* *
* PARAMETER * PARAMETER
* erp request to be blocked * erp request to be blocked
* final_status either DASD_CQR_DONE or DASD_CQR_FAILED * final_status either DASD_CQR_DONE or DASD_CQR_FAILED
* *
* RETURN VALUES * RETURN VALUES
* cqr original cqr * cqr original cqr
*/ */
static struct dasd_ccw_req * static struct dasd_ccw_req *
dasd_3990_erp_cleanup(struct dasd_ccw_req * erp, char final_status) dasd_3990_erp_cleanup(struct dasd_ccw_req * erp, char final_status)
@ -214,7 +214,7 @@ dasd_3990_erp_cleanup(struct dasd_ccw_req * erp, char final_status)
} /* end dasd_3990_erp_cleanup */ } /* end dasd_3990_erp_cleanup */
/* /*
* DASD_3990_ERP_BLOCK_QUEUE * DASD_3990_ERP_BLOCK_QUEUE
* *
* DESCRIPTION * DESCRIPTION
* Block the given device request queue to prevent from further * Block the given device request queue to prevent from further
@ -237,7 +237,7 @@ dasd_3990_erp_block_queue(struct dasd_ccw_req * erp, int expires)
} }
/* /*
* DASD_3990_ERP_INT_REQ * DASD_3990_ERP_INT_REQ
* *
* DESCRIPTION * DESCRIPTION
* Handles 'Intervention Required' error. * Handles 'Intervention Required' error.
@ -277,7 +277,7 @@ dasd_3990_erp_int_req(struct dasd_ccw_req * erp)
} /* end dasd_3990_erp_int_req */ } /* end dasd_3990_erp_int_req */
/* /*
* DASD_3990_ERP_ALTERNATE_PATH * DASD_3990_ERP_ALTERNATE_PATH
* *
* DESCRIPTION * DESCRIPTION
* Repeat the operation on a different channel path. * Repeat the operation on a different channel path.
@ -330,15 +330,15 @@ dasd_3990_erp_alternate_path(struct dasd_ccw_req * erp)
* DASD_3990_ERP_DCTL * DASD_3990_ERP_DCTL
* *
* DESCRIPTION * DESCRIPTION
* Setup cqr to do the Diagnostic Control (DCTL) command with an * Setup cqr to do the Diagnostic Control (DCTL) command with an
* Inhibit Write subcommand (0x20) and the given modifier. * Inhibit Write subcommand (0x20) and the given modifier.
* *
* PARAMETER * PARAMETER
* erp pointer to the current (failed) ERP * erp pointer to the current (failed) ERP
* modifier subcommand modifier * modifier subcommand modifier
* *
* RETURN VALUES * RETURN VALUES
* dctl_cqr pointer to NEW dctl_cqr * dctl_cqr pointer to NEW dctl_cqr
* *
*/ */
static struct dasd_ccw_req * static struct dasd_ccw_req *
@ -386,7 +386,7 @@ dasd_3990_erp_DCTL(struct dasd_ccw_req * erp, char modifier)
} /* end dasd_3990_erp_DCTL */ } /* end dasd_3990_erp_DCTL */
/* /*
* DASD_3990_ERP_ACTION_1 * DASD_3990_ERP_ACTION_1
* *
* DESCRIPTION * DESCRIPTION
* Setup ERP to do the ERP action 1 (see Reference manual). * Setup ERP to do the ERP action 1 (see Reference manual).
@ -415,7 +415,7 @@ dasd_3990_erp_action_1(struct dasd_ccw_req * erp)
} /* end dasd_3990_erp_action_1 */ } /* end dasd_3990_erp_action_1 */
/* /*
* DASD_3990_ERP_ACTION_4 * DASD_3990_ERP_ACTION_4
* *
* DESCRIPTION * DESCRIPTION
* Setup ERP to do the ERP action 4 (see Reference manual). * Setup ERP to do the ERP action 4 (see Reference manual).
@ -453,11 +453,11 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
if (sense[25] == 0x1D) { /* state change pending */ if (sense[25] == 0x1D) { /* state change pending */
DEV_MESSAGE(KERN_INFO, device, DEV_MESSAGE(KERN_INFO, device,
"waiting for state change pending " "waiting for state change pending "
"interrupt, %d retries left", "interrupt, %d retries left",
erp->retries); erp->retries);
dasd_3990_erp_block_queue(erp, 30*HZ); dasd_3990_erp_block_queue(erp, 30*HZ);
} else if (sense[25] == 0x1E) { /* busy */ } else if (sense[25] == 0x1E) { /* busy */
@ -469,9 +469,9 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
} else { } else {
/* no state change pending - retry */ /* no state change pending - retry */
DEV_MESSAGE (KERN_INFO, device, DEV_MESSAGE (KERN_INFO, device,
"redriving request immediately, " "redriving request immediately, "
"%d retries left", "%d retries left",
erp->retries); erp->retries);
erp->status = DASD_CQR_QUEUED; erp->status = DASD_CQR_QUEUED;
} }
@ -482,13 +482,13 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_action_4 */ } /* end dasd_3990_erp_action_4 */
/* /*
***************************************************************************** *****************************************************************************
* 24 byte sense ERP functions (only) * 24 byte sense ERP functions (only)
***************************************************************************** *****************************************************************************
*/ */
/* /*
* DASD_3990_ERP_ACTION_5 * DASD_3990_ERP_ACTION_5
* *
* DESCRIPTION * DESCRIPTION
* Setup ERP to do the ERP action 5 (see Reference manual). * Setup ERP to do the ERP action 5 (see Reference manual).
@ -523,7 +523,7 @@ dasd_3990_erp_action_5(struct dasd_ccw_req * erp)
* *
* PARAMETER * PARAMETER
* sense current sense data * sense current sense data
* *
* RETURN VALUES * RETURN VALUES
* void * void
*/ */
@ -1150,9 +1150,9 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
* PARAMETER * PARAMETER
* erp current erp_head * erp current erp_head
* sense current sense data * sense current sense data
* *
* RETURN VALUES * RETURN VALUES
* erp 'new' erp_head - pointer to new ERP * erp 'new' erp_head - pointer to new ERP
*/ */
static struct dasd_ccw_req * static struct dasd_ccw_req *
dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense) dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense)
@ -1185,7 +1185,7 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_com_rej */ } /* end dasd_3990_erp_com_rej */
/* /*
* DASD_3990_ERP_BUS_OUT * DASD_3990_ERP_BUS_OUT
* *
* DESCRIPTION * DESCRIPTION
* Handles 24 byte 'Bus Out Parity Check' error. * Handles 24 byte 'Bus Out Parity Check' error.
@ -1483,7 +1483,7 @@ dasd_3990_erp_env_data(struct dasd_ccw_req * erp, char *sense)
* *
* PARAMETER * PARAMETER
* erp already added default ERP * erp already added default ERP
* *
* RETURN VALUES * RETURN VALUES
* erp new erp_head - pointer to new ERP * erp new erp_head - pointer to new ERP
*/ */
@ -1527,11 +1527,11 @@ dasd_3990_erp_file_prot(struct dasd_ccw_req * erp)
} /* end dasd_3990_erp_file_prot */ } /* end dasd_3990_erp_file_prot */
/* /*
* DASD_3990_ERP_INSPECT_24 * DASD_3990_ERP_INSPECT_24
* *
* DESCRIPTION * DESCRIPTION
* Does a detailed inspection of the 24 byte sense data * Does a detailed inspection of the 24 byte sense data
* and sets up a related error recovery action. * and sets up a related error recovery action.
* *
* PARAMETER * PARAMETER
* sense sense data of the actual error * sense sense data of the actual error
@ -1602,13 +1602,13 @@ dasd_3990_erp_inspect_24(struct dasd_ccw_req * erp, char *sense)
} /* END dasd_3990_erp_inspect_24 */ } /* END dasd_3990_erp_inspect_24 */
/* /*
***************************************************************************** *****************************************************************************
* 32 byte sense ERP functions (only) * 32 byte sense ERP functions (only)
***************************************************************************** *****************************************************************************
*/ */
/* /*
* DASD_3990_ERPACTION_10_32 * DASD_3990_ERPACTION_10_32
* *
* DESCRIPTION * DESCRIPTION
* Handles 32 byte 'Action 10' of Single Program Action Codes. * Handles 32 byte 'Action 10' of Single Program Action Codes.
@ -1616,7 +1616,7 @@ dasd_3990_erp_inspect_24(struct dasd_ccw_req * erp, char *sense)
* *
* PARAMETER * PARAMETER
* erp current erp_head * erp current erp_head
* sense current sense data * sense current sense data
* RETURN VALUES * RETURN VALUES
* erp modified erp_head * erp modified erp_head
*/ */
@ -1640,18 +1640,18 @@ dasd_3990_erp_action_10_32(struct dasd_ccw_req * erp, char *sense)
* *
* DESCRIPTION * DESCRIPTION
* Handles 32 byte 'Action 1B' of Single Program Action Codes. * Handles 32 byte 'Action 1B' of Single Program Action Codes.
* A write operation could not be finished because of an unexpected * A write operation could not be finished because of an unexpected
* condition. * condition.
* The already created 'default erp' is used to get the link to * The already created 'default erp' is used to get the link to
* the erp chain, but it can not be used for this recovery * the erp chain, but it can not be used for this recovery
* action because it contains no DE/LO data space. * action because it contains no DE/LO data space.
* *
* PARAMETER * PARAMETER
* default_erp already added default erp. * default_erp already added default erp.
* sense current sense data * sense current sense data
* *
* RETURN VALUES * RETURN VALUES
* erp new erp or * erp new erp or
* default_erp in case of imprecise ending or error * default_erp in case of imprecise ending or error
*/ */
static struct dasd_ccw_req * static struct dasd_ccw_req *
@ -1789,16 +1789,16 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
* DASD_3990_UPDATE_1B * DASD_3990_UPDATE_1B
* *
* DESCRIPTION * DESCRIPTION
* Handles the update to the 32 byte 'Action 1B' of Single Program * Handles the update to the 32 byte 'Action 1B' of Single Program
* Action Codes in case the first action was not successful. * Action Codes in case the first action was not successful.
* The already created 'previous_erp' is the currently not successful * The already created 'previous_erp' is the currently not successful
* ERP. * ERP.
* *
* PARAMETER * PARAMETER
* previous_erp already created previous erp. * previous_erp already created previous erp.
* sense current sense data * sense current sense data
* RETURN VALUES * RETURN VALUES
* erp modified erp * erp modified erp
*/ */
static struct dasd_ccw_req * static struct dasd_ccw_req *
dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense) dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
@ -1897,7 +1897,7 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
} /* end dasd_3990_update_1B */ } /* end dasd_3990_update_1B */
/* /*
* DASD_3990_ERP_COMPOUND_RETRY * DASD_3990_ERP_COMPOUND_RETRY
* *
* DESCRIPTION * DESCRIPTION
* Handles the compound ERP action retry code. * Handles the compound ERP action retry code.
@ -1943,7 +1943,7 @@ dasd_3990_erp_compound_retry(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_compound_retry */ } /* end dasd_3990_erp_compound_retry */
/* /*
* DASD_3990_ERP_COMPOUND_PATH * DASD_3990_ERP_COMPOUND_PATH
* *
* DESCRIPTION * DESCRIPTION
* Handles the compound ERP action for retry on alternate * Handles the compound ERP action for retry on alternate
@ -1965,7 +1965,7 @@ dasd_3990_erp_compound_path(struct dasd_ccw_req * erp, char *sense)
dasd_3990_erp_alternate_path(erp); dasd_3990_erp_alternate_path(erp);
if (erp->status == DASD_CQR_FAILED) { if (erp->status == DASD_CQR_FAILED) {
/* reset the lpm and the status to be able to /* reset the lpm and the status to be able to
* try further actions. */ * try further actions. */
erp->lpm = 0; erp->lpm = 0;
@ -1980,7 +1980,7 @@ dasd_3990_erp_compound_path(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_compound_path */ } /* end dasd_3990_erp_compound_path */
/* /*
* DASD_3990_ERP_COMPOUND_CODE * DASD_3990_ERP_COMPOUND_CODE
* *
* DESCRIPTION * DESCRIPTION
* Handles the compound ERP action for retry code. * Handles the compound ERP action for retry code.
@ -2001,18 +2001,18 @@ dasd_3990_erp_compound_code(struct dasd_ccw_req * erp, char *sense)
switch (sense[28]) { switch (sense[28]) {
case 0x17: case 0x17:
/* issue a Diagnostic Control command with an /* issue a Diagnostic Control command with an
* Inhibit Write subcommand and controler modifier */ * Inhibit Write subcommand and controler modifier */
erp = dasd_3990_erp_DCTL(erp, 0x20); erp = dasd_3990_erp_DCTL(erp, 0x20);
break; break;
case 0x25: case 0x25:
/* wait for 5 seconds and retry again */ /* wait for 5 seconds and retry again */
erp->retries = 1; erp->retries = 1;
dasd_3990_erp_block_queue (erp, 5*HZ); dasd_3990_erp_block_queue (erp, 5*HZ);
break; break;
default: default:
/* should not happen - continue */ /* should not happen - continue */
break; break;
@ -2026,7 +2026,7 @@ dasd_3990_erp_compound_code(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_compound_code */ } /* end dasd_3990_erp_compound_code */
/* /*
* DASD_3990_ERP_COMPOUND_CONFIG * DASD_3990_ERP_COMPOUND_CONFIG
* *
* DESCRIPTION * DESCRIPTION
* Handles the compound ERP action for configruation * Handles the compound ERP action for configruation
@ -2063,10 +2063,10 @@ dasd_3990_erp_compound_config(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_compound_config */ } /* end dasd_3990_erp_compound_config */
/* /*
* DASD_3990_ERP_COMPOUND * DASD_3990_ERP_COMPOUND
* *
* DESCRIPTION * DESCRIPTION
* Does the further compound program action if * Does the further compound program action if
* compound retry was not successful. * compound retry was not successful.
* *
* PARAMETER * PARAMETER
@ -2110,11 +2110,11 @@ dasd_3990_erp_compound(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_compound */ } /* end dasd_3990_erp_compound */
/* /*
* DASD_3990_ERP_INSPECT_32 * DASD_3990_ERP_INSPECT_32
* *
* DESCRIPTION * DESCRIPTION
* Does a detailed inspection of the 32 byte sense data * Does a detailed inspection of the 32 byte sense data
* and sets up a related error recovery action. * and sets up a related error recovery action.
* *
* PARAMETER * PARAMETER
* sense sense data of the actual error * sense sense data of the actual error
@ -2228,9 +2228,9 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_inspect_32 */ } /* end dasd_3990_erp_inspect_32 */
/* /*
***************************************************************************** *****************************************************************************
* main ERP control fuctions (24 and 32 byte sense) * main ERP control fuctions (24 and 32 byte sense)
***************************************************************************** *****************************************************************************
*/ */
/* /*
@ -2243,7 +2243,7 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
* PARAMETER * PARAMETER
* erp pointer to the currently created default ERP * erp pointer to the currently created default ERP
* RETURN VALUES * RETURN VALUES
* erp_new contens was possibly modified * erp_new contens was possibly modified
*/ */
static struct dasd_ccw_req * static struct dasd_ccw_req *
dasd_3990_erp_inspect(struct dasd_ccw_req * erp) dasd_3990_erp_inspect(struct dasd_ccw_req * erp)
@ -2272,14 +2272,14 @@ dasd_3990_erp_inspect(struct dasd_ccw_req * erp)
/* /*
* DASD_3990_ERP_ADD_ERP * DASD_3990_ERP_ADD_ERP
* *
* DESCRIPTION * DESCRIPTION
* This funtion adds an additional request block (ERP) to the head of * This funtion adds an additional request block (ERP) to the head of
* the given cqr (or erp). * the given cqr (or erp).
* This erp is initialized as an default erp (retry TIC) * This erp is initialized as an default erp (retry TIC)
* *
* PARAMETER * PARAMETER
* cqr head of the current ERP-chain (or single cqr if * cqr head of the current ERP-chain (or single cqr if
* first error) * first error)
* RETURN VALUES * RETURN VALUES
* erp pointer to new ERP-chain head * erp pointer to new ERP-chain head
@ -2332,15 +2332,15 @@ dasd_3990_erp_add_erp(struct dasd_ccw_req * cqr)
} }
/* /*
* DASD_3990_ERP_ADDITIONAL_ERP * DASD_3990_ERP_ADDITIONAL_ERP
* *
* DESCRIPTION * DESCRIPTION
* An additional ERP is needed to handle the current error. * An additional ERP is needed to handle the current error.
* Add ERP to the head of the ERP-chain containing the ERP processing * Add ERP to the head of the ERP-chain containing the ERP processing
* determined based on the sense data. * determined based on the sense data.
* *
* PARAMETER * PARAMETER
* cqr head of the current ERP-chain (or single cqr if * cqr head of the current ERP-chain (or single cqr if
* first error) * first error)
* *
* RETURN VALUES * RETURN VALUES
@ -2376,7 +2376,7 @@ dasd_3990_erp_additional_erp(struct dasd_ccw_req * cqr)
* 24 byte sense byte 25 and 27 is set as well. * 24 byte sense byte 25 and 27 is set as well.
* *
* PARAMETER * PARAMETER
* cqr1 first cqr, which will be compared with the * cqr1 first cqr, which will be compared with the
* cqr2 second cqr. * cqr2 second cqr.
* *
* RETURN VALUES * RETURN VALUES
@ -2415,7 +2415,7 @@ dasd_3990_erp_error_match(struct dasd_ccw_req *cqr1, struct dasd_ccw_req *cqr2)
* cqr failed cqr (either original cqr or already an erp) * cqr failed cqr (either original cqr or already an erp)
* *
* RETURN VALUES * RETURN VALUES
* erp erp-pointer to the already defined error * erp erp-pointer to the already defined error
* recovery procedure OR * recovery procedure OR
* NULL if a 'new' error occurred. * NULL if a 'new' error occurred.
*/ */
@ -2451,10 +2451,10 @@ dasd_3990_erp_in_erp(struct dasd_ccw_req *cqr)
* DASD_3990_ERP_FURTHER_ERP (24 & 32 byte sense) * DASD_3990_ERP_FURTHER_ERP (24 & 32 byte sense)
* *
* DESCRIPTION * DESCRIPTION
* No retry is left for the current ERP. Check what has to be done * No retry is left for the current ERP. Check what has to be done
* with the ERP. * with the ERP.
* - do further defined ERP action or * - do further defined ERP action or
* - wait for interrupt or * - wait for interrupt or
* - exit with permanent error * - exit with permanent error
* *
* PARAMETER * PARAMETER
@ -2485,7 +2485,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
if (!(sense[2] & DASD_SENSE_BIT_0)) { if (!(sense[2] & DASD_SENSE_BIT_0)) {
/* issue a Diagnostic Control command with an /* issue a Diagnostic Control command with an
* Inhibit Write subcommand */ * Inhibit Write subcommand */
switch (sense[25]) { switch (sense[25]) {
@ -2535,14 +2535,14 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
} /* end dasd_3990_erp_further_erp */ } /* end dasd_3990_erp_further_erp */
/* /*
* DASD_3990_ERP_HANDLE_MATCH_ERP * DASD_3990_ERP_HANDLE_MATCH_ERP
* *
* DESCRIPTION * DESCRIPTION
* An error occurred again and an ERP has been detected which is already * An error occurred again and an ERP has been detected which is already
* used to handle this error (e.g. retries). * used to handle this error (e.g. retries).
* All prior ERP's are asumed to be successful and therefore removed * All prior ERP's are asumed to be successful and therefore removed
* from queue. * from queue.
* If retry counter of matching erp is already 0, it is checked if further * If retry counter of matching erp is already 0, it is checked if further
* action is needed (besides retry) or if the ERP has failed. * action is needed (besides retry) or if the ERP has failed.
* *
* PARAMETER * PARAMETER
@ -2631,7 +2631,7 @@ dasd_3990_erp_handle_match_erp(struct dasd_ccw_req *erp_head,
* erp erp-pointer to the head of the ERP action chain. * erp erp-pointer to the head of the ERP action chain.
* This means: * This means:
* - either a ptr to an additional ERP cqr or * - either a ptr to an additional ERP cqr or
* - the original given cqr (which's status might * - the original given cqr (which's status might
* be modified) * be modified)
*/ */
struct dasd_ccw_req * struct dasd_ccw_req *
@ -2723,22 +2723,3 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
return erp; return erp;
} /* end dasd_3990_erp_action */ } /* end dasd_3990_erp_action */
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

27
drivers/s390/block/dasd_9336_erp.c
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_9336_erp.c * File...........: linux/drivers/s390/block/dasd_9336_erp.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
@ -12,10 +12,10 @@
/* /*
* DASD_9336_ERP_EXAMINE * DASD_9336_ERP_EXAMINE
* *
* DESCRIPTION * DESCRIPTION
* Checks only for fatal/no/recover error. * Checks only for fatal/no/recover error.
* A detailed examination of the sense data is done later outside * A detailed examination of the sense data is done later outside
* the interrupt handler. * the interrupt handler.
* *
@ -23,7 +23,7 @@
* 'Chapter 7. 9336 Sense Data'. * 'Chapter 7. 9336 Sense Data'.
* *
* RETURN VALUES * RETURN VALUES
* dasd_era_none no error * dasd_era_none no error
* dasd_era_fatal for all fatal (unrecoverable errors) * dasd_era_fatal for all fatal (unrecoverable errors)
* dasd_era_recover for all others. * dasd_era_recover for all others.
*/ */
@ -39,22 +39,3 @@ dasd_9336_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb)
return dasd_era_recover; return dasd_era_recover;
} /* END dasd_9336_erp_examine */ } /* END dasd_9336_erp_examine */
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

2
drivers/s390/block/dasd_9343_erp.c
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_9345_erp.c * File...........: linux/drivers/s390/block/dasd_9345_erp.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>

22
drivers/s390/block/dasd_devmap.c
View File

@ -123,7 +123,7 @@ static inline int
dasd_busid(char **str, int *id0, int *id1, int *devno) dasd_busid(char **str, int *id0, int *id1, int *devno)
{ {
int val, old_style; int val, old_style;
/* check for leading '0x' */ /* check for leading '0x' */
old_style = 0; old_style = 0;
if ((*str)[0] == '0' && (*str)[1] == 'x') { if ((*str)[0] == '0' && (*str)[1] == 'x') {
@ -179,7 +179,7 @@ dasd_feature_list(char *str, char **endp)
features = 0; features = 0;
while (1) { while (1) {
for (len = 0; for (len = 0;
str[len] && str[len] != ':' && str[len] != ')'; len++); str[len] && str[len] != ':' && str[len] != ')'; len++);
if (len == 2 && !strncmp(str, "ro", 2)) if (len == 2 && !strncmp(str, "ro", 2))
features |= DASD_FEATURE_READONLY; features |= DASD_FEATURE_READONLY;
@ -359,7 +359,7 @@ dasd_parse(void)
* Add a devmap for the device specified by busid. It is possible that * Add a devmap for the device specified by busid. It is possible that
* the devmap already exists (dasd= parameter). The order of the devices * the devmap already exists (dasd= parameter). The order of the devices
* added through this function will define the kdevs for the individual * added through this function will define the kdevs for the individual
* devices. * devices.
*/ */
static struct dasd_devmap * static struct dasd_devmap *
dasd_add_busid(char *bus_id, int features) dasd_add_busid(char *bus_id, int features)
@ -368,7 +368,7 @@ dasd_add_busid(char *bus_id, int features)
int hash; int hash;
new = (struct dasd_devmap *) new = (struct dasd_devmap *)
kmalloc(sizeof(struct dasd_devmap), GFP_KERNEL); kzalloc(sizeof(struct dasd_devmap), GFP_KERNEL);
if (!new) if (!new)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
spin_lock(&dasd_devmap_lock); spin_lock(&dasd_devmap_lock);
@ -630,7 +630,8 @@ dasd_ro_show(struct device *dev, struct device_attribute *attr, char *buf)
} }
static ssize_t static ssize_t
dasd_ro_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) dasd_ro_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{ {
struct dasd_devmap *devmap; struct dasd_devmap *devmap;
int ro_flag; int ro_flag;
@ -658,7 +659,7 @@ static DEVICE_ATTR(readonly, 0644, dasd_ro_show, dasd_ro_store);
* use_diag controls whether the driver should use diag rather than ssch * use_diag controls whether the driver should use diag rather than ssch
* to talk to the device * to talk to the device
*/ */
static ssize_t static ssize_t
dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf) dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf)
{ {
struct dasd_devmap *devmap; struct dasd_devmap *devmap;
@ -673,7 +674,8 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf)
} }
static ssize_t static ssize_t
dasd_use_diag_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) dasd_use_diag_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{ {
struct dasd_devmap *devmap; struct dasd_devmap *devmap;
ssize_t rc; ssize_t rc;
@ -697,11 +699,11 @@ dasd_use_diag_store(struct device *dev, struct device_attribute *attr, const cha
return rc; return rc;
} }
static static DEVICE_ATTR(use_diag, 0644, dasd_use_diag_show, dasd_use_diag_store);
DEVICE_ATTR(use_diag, 0644, dasd_use_diag_show, dasd_use_diag_store);
static ssize_t static ssize_t
dasd_discipline_show(struct device *dev, struct device_attribute *attr, char *buf) dasd_discipline_show(struct device *dev, struct device_attribute *attr,
char *buf)
{ {
struct dasd_devmap *devmap; struct dasd_devmap *devmap;
char *dname; char *dname;

6
drivers/s390/block/dasd_diag.c
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_diag.c * File...........: linux/drivers/s390/block/dasd_diag.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Based on.......: linux/drivers/s390/block/mdisk.c * Based on.......: linux/drivers/s390/block/mdisk.c
@ -336,7 +336,7 @@ dasd_diag_check_device(struct dasd_device *device)
private = (struct dasd_diag_private *) device->private; private = (struct dasd_diag_private *) device->private;
if (private == NULL) { if (private == NULL) {
private = kmalloc(sizeof(struct dasd_diag_private),GFP_KERNEL); private = kzalloc(sizeof(struct dasd_diag_private),GFP_KERNEL);
if (private == NULL) { if (private == NULL) {
DEV_MESSAGE(KERN_WARNING, device, "%s", DEV_MESSAGE(KERN_WARNING, device, "%s",
"memory allocation failed for private data"); "memory allocation failed for private data");
@ -527,7 +527,7 @@ dasd_diag_build_cp(struct dasd_device * device, struct request *req)
datasize, device); datasize, device);
if (IS_ERR(cqr)) if (IS_ERR(cqr))
return cqr; return cqr;
dreq = (struct dasd_diag_req *) cqr->data; dreq = (struct dasd_diag_req *) cqr->data;
dreq->block_count = count; dreq->block_count = count;
dbio = dreq->bio; dbio = dreq->bio;

2
drivers/s390/block/dasd_diag.h
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_diag.h * File...........: linux/drivers/s390/block/dasd_diag.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Based on.......: linux/drivers/s390/block/mdisk.h * Based on.......: linux/drivers/s390/block/mdisk.h

52
drivers/s390/block/dasd_eckd.c
View File

@ -1,7 +1,7 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_eckd.c * File...........: linux/drivers/s390/block/dasd_eckd.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com> * Carsten Otte <Cotte@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
@ -210,14 +210,14 @@ check_XRC (struct ccw1 *de_ccw,
/* switch on System Time Stamp - needed for XRC Support */ /* switch on System Time Stamp - needed for XRC Support */
if (private->rdc_data.facilities.XRC_supported) { if (private->rdc_data.facilities.XRC_supported) {
data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */ data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */
data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */ data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */
data->ep_sys_time = get_clock (); data->ep_sys_time = get_clock ();
de_ccw->count = sizeof (struct DE_eckd_data); de_ccw->count = sizeof (struct DE_eckd_data);
de_ccw->flags |= CCW_FLAG_SLI; de_ccw->flags |= CCW_FLAG_SLI;
} }
return; return;
@ -296,8 +296,8 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
/* check for sequential prestage - enhance cylinder range */ /* check for sequential prestage - enhance cylinder range */
if (data->attributes.operation == DASD_SEQ_PRESTAGE || if (data->attributes.operation == DASD_SEQ_PRESTAGE ||
data->attributes.operation == DASD_SEQ_ACCESS) { data->attributes.operation == DASD_SEQ_ACCESS) {
if (end.cyl + private->attrib.nr_cyl < geo.cyl) if (end.cyl + private->attrib.nr_cyl < geo.cyl)
end.cyl += private->attrib.nr_cyl; end.cyl += private->attrib.nr_cyl;
else else
end.cyl = (geo.cyl - 1); end.cyl = (geo.cyl - 1);
@ -317,7 +317,7 @@ locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, int trk,
struct dasd_eckd_private *private; struct dasd_eckd_private *private;
int sector; int sector;
int dn, d; int dn, d;
private = (struct dasd_eckd_private *) device->private; private = (struct dasd_eckd_private *) device->private;
DBF_DEV_EVENT(DBF_INFO, device, DBF_DEV_EVENT(DBF_INFO, device,
@ -554,7 +554,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
private = (struct dasd_eckd_private *) device->private; private = (struct dasd_eckd_private *) device->private;
if (private == NULL) { if (private == NULL) {
private = kmalloc(sizeof(struct dasd_eckd_private), private = kzalloc(sizeof(struct dasd_eckd_private),
GFP_KERNEL | GFP_DMA); GFP_KERNEL | GFP_DMA);
if (private == NULL) { if (private == NULL) {
DEV_MESSAGE(KERN_WARNING, device, "%s", DEV_MESSAGE(KERN_WARNING, device, "%s",
@ -562,7 +562,6 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
"data"); "data");
return -ENOMEM; return -ENOMEM;
} }
memset(private, 0, sizeof(struct dasd_eckd_private));
device->private = (void *) private; device->private = (void *) private;
} }
/* Invalidate status of initial analysis. */ /* Invalidate status of initial analysis. */
@ -773,7 +772,7 @@ dasd_eckd_end_analysis(struct dasd_device *device)
((private->rdc_data.no_cyl * ((private->rdc_data.no_cyl *
private->rdc_data.trk_per_cyl * private->rdc_data.trk_per_cyl *
blk_per_trk * (device->bp_block >> 9)) >> 1), blk_per_trk * (device->bp_block >> 9)) >> 1),
((blk_per_trk * device->bp_block) >> 10), ((blk_per_trk * device->bp_block) >> 10),
private->uses_cdl ? private->uses_cdl ?
"compatible disk layout" : "linux disk layout"); "compatible disk layout" : "linux disk layout");
@ -970,7 +969,7 @@ dasd_eckd_format_device(struct dasd_device * device,
if (i < 3) { if (i < 3) {
ect->kl = 4; ect->kl = 4;
ect->dl = sizes_trk0[i] - 4; ect->dl = sizes_trk0[i] - 4;
} }
} }
if ((fdata->intensity & 0x08) && if ((fdata->intensity & 0x08) &&
fdata->start_unit == 1) { fdata->start_unit == 1) {
@ -1270,7 +1269,7 @@ dasd_eckd_fill_info(struct dasd_device * device,
/* /*
* Release device ioctl. * Release device ioctl.
* Buils a channel programm to releases a prior reserved * Buils a channel programm to releases a prior reserved
* (see dasd_eckd_reserve) device. * (see dasd_eckd_reserve) device.
*/ */
static int static int
@ -1310,8 +1309,8 @@ dasd_eckd_release(struct dasd_device *device)
/* /*
* Reserve device ioctl. * Reserve device ioctl.
* Options are set to 'synchronous wait for interrupt' and * Options are set to 'synchronous wait for interrupt' and
* 'timeout the request'. This leads to a terminate IO if * 'timeout the request'. This leads to a terminate IO if
* the interrupt is outstanding for a certain time. * the interrupt is outstanding for a certain time.
*/ */
static int static int
dasd_eckd_reserve(struct dasd_device *device) dasd_eckd_reserve(struct dasd_device *device)
@ -1349,7 +1348,7 @@ dasd_eckd_reserve(struct dasd_device *device)
/* /*
* Steal lock ioctl - unconditional reserve device. * Steal lock ioctl - unconditional reserve device.
* Buils a channel programm to break a device's reservation. * Buils a channel programm to break a device's reservation.
* (unconditional reserve) * (unconditional reserve)
*/ */
static int static int
@ -1706,22 +1705,3 @@ dasd_eckd_cleanup(void)
module_init(dasd_eckd_init); module_init(dasd_eckd_init);
module_exit(dasd_eckd_cleanup); module_exit(dasd_eckd_cleanup);
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

8
drivers/s390/block/dasd_eckd.h
View File

@ -1,7 +1,7 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_eckd.h * File...........: linux/drivers/s390/block/dasd_eckd.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
* *
@ -155,7 +155,7 @@ struct dasd_eckd_characteristics {
unsigned char reserved2:4; unsigned char reserved2:4;
unsigned char reserved3:8; unsigned char reserved3:8;
unsigned char defect_wr:1; unsigned char defect_wr:1;
unsigned char XRC_supported:1; unsigned char XRC_supported:1;
unsigned char reserved4:1; unsigned char reserved4:1;
unsigned char striping:1; unsigned char striping:1;
unsigned char reserved5:4; unsigned char reserved5:4;
@ -343,7 +343,7 @@ struct dasd_eckd_path {
}; };
/* /*
* Perform Subsystem Function - Prepare for Read Subsystem Data * Perform Subsystem Function - Prepare for Read Subsystem Data
*/ */
struct dasd_psf_prssd_data { struct dasd_psf_prssd_data {
unsigned char order; unsigned char order;

8
drivers/s390/block/dasd_erp.c
View File

@ -90,7 +90,7 @@ dasd_default_erp_action(struct dasd_ccw_req * cqr)
/* just retry - there is nothing to save ... I got no sense data.... */ /* just retry - there is nothing to save ... I got no sense data.... */
if (cqr->retries > 0) { if (cqr->retries > 0) {
DEV_MESSAGE (KERN_DEBUG, device, DEV_MESSAGE (KERN_DEBUG, device,
"default ERP called (%i retries left)", "default ERP called (%i retries left)",
cqr->retries); cqr->retries);
cqr->lpm = LPM_ANYPATH; cqr->lpm = LPM_ANYPATH;
@ -155,7 +155,7 @@ dasd_default_erp_postaction(struct dasd_ccw_req * cqr)
/* /*
* Print the hex dump of the memory used by a request. This includes * Print the hex dump of the memory used by a request. This includes
* all error recovery ccws that have been chained in from of the * all error recovery ccws that have been chained in from of the
* real request. * real request.
*/ */
static inline void static inline void
@ -227,12 +227,12 @@ dasd_log_ccw(struct dasd_ccw_req * cqr, int caller, __u32 cpa)
/* /*
* Log bytes arround failed CCW but only if we did * Log bytes arround failed CCW but only if we did
* not log the whole CP of the CCW is outside the * not log the whole CP of the CCW is outside the
* logged CP. * logged CP.
*/ */
if (cplength > 40 || if (cplength > 40 ||
((addr_t) cpa < (addr_t) lcqr->cpaddr && ((addr_t) cpa < (addr_t) lcqr->cpaddr &&
(addr_t) cpa > (addr_t) (lcqr->cpaddr + cplength + 4))) { (addr_t) cpa > (addr_t) (lcqr->cpaddr + cplength + 4))) {
DEV_MESSAGE(KERN_ERR, device, DEV_MESSAGE(KERN_ERR, device,
"Failed CCW (%p) (area):", "Failed CCW (%p) (area):",
(void *) (long) cpa); (void *) (long) cpa);

29
drivers/s390/block/dasd_fba.c
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_fba.c * File...........: linux/drivers/s390/block/dasd_fba.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
@ -125,13 +125,13 @@ static int
dasd_fba_check_characteristics(struct dasd_device *device) dasd_fba_check_characteristics(struct dasd_device *device)
{ {
struct dasd_fba_private *private; struct dasd_fba_private *private;
struct ccw_device *cdev = device->cdev; struct ccw_device *cdev = device->cdev;
void *rdc_data; void *rdc_data;
int rc; int rc;
private = (struct dasd_fba_private *) device->private; private = (struct dasd_fba_private *) device->private;
if (private == NULL) { if (private == NULL) {
private = kmalloc(sizeof(struct dasd_fba_private), GFP_KERNEL); private = kzalloc(sizeof(struct dasd_fba_private), GFP_KERNEL);
if (private == NULL) { if (private == NULL) {
DEV_MESSAGE(KERN_WARNING, device, "%s", DEV_MESSAGE(KERN_WARNING, device, "%s",
"memory allocation failed for private " "memory allocation failed for private "
@ -204,7 +204,7 @@ dasd_fba_examine_error(struct dasd_ccw_req * cqr, struct irb * irb)
if (irb->scsw.cstat == 0x00 && if (irb->scsw.cstat == 0x00 &&
irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END)) irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END))
return dasd_era_none; return dasd_era_none;
cdev = device->cdev; cdev = device->cdev;
switch (cdev->id.dev_type) { switch (cdev->id.dev_type) {
case 0x3370: case 0x3370:
@ -539,7 +539,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
* 8192 bytes (=2 pages). For 64 bit one dasd_mchunkt_t structure has * 8192 bytes (=2 pages). For 64 bit one dasd_mchunkt_t structure has
* 24 bytes, the struct dasd_ccw_req has 136 bytes and each block can use * 24 bytes, the struct dasd_ccw_req has 136 bytes and each block can use
* up to 16 bytes (8 for the ccw and 8 for the idal pointer). In * up to 16 bytes (8 for the ccw and 8 for the idal pointer). In
* addition we have one define extent ccw + 16 bytes of data and a * addition we have one define extent ccw + 16 bytes of data and a
* locate record ccw for each block (stupid devices!) + 16 bytes of data. * locate record ccw for each block (stupid devices!) + 16 bytes of data.
* That makes: * That makes:
* (8192 - 24 - 136 - 8 - 16) / 40 = 200.2 blocks at maximum. * (8192 - 24 - 136 - 8 - 16) / 40 = 200.2 blocks at maximum.
@ -589,22 +589,3 @@ dasd_fba_cleanup(void)
module_init(dasd_fba_init); module_init(dasd_fba_init);
module_exit(dasd_fba_cleanup); module_exit(dasd_fba_cleanup);
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

2
drivers/s390/block/dasd_fba.h
View File

@ -1,4 +1,4 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_fba.h * File...........: linux/drivers/s390/block/dasd_fba.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>

37
drivers/s390/block/dasd_int.h
View File

@ -1,7 +1,7 @@
/* /*
* File...........: linux/drivers/s390/block/dasd_int.h * File...........: linux/drivers/s390/block/dasd_int.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
@ -186,7 +186,7 @@ struct dasd_ccw_req {
void *callback_data; void *callback_data;
}; };
/* /*
* dasd_ccw_req -> status can be: * dasd_ccw_req -> status can be:
*/ */
#define DASD_CQR_FILLED 0x00 /* request is ready to be processed */ #define DASD_CQR_FILLED 0x00 /* request is ready to be processed */
@ -248,7 +248,7 @@ struct dasd_discipline {
/* /*
* Error recovery functions. examine_error() returns a value that * Error recovery functions. examine_error() returns a value that
* indicates what to do for an error condition. If examine_error() * indicates what to do for an error condition. If examine_error()
* returns 'dasd_era_recover' erp_action() is called to create a * returns 'dasd_era_recover' erp_action() is called to create a
* special error recovery ccw. erp_postaction() is called after * special error recovery ccw. erp_postaction() is called after
* an error recovery ccw has finished its execution. dump_sense * an error recovery ccw has finished its execution. dump_sense
* is called for every error condition to print the sense data * is called for every error condition to print the sense data
@ -302,11 +302,11 @@ struct dasd_device {
spinlock_t request_queue_lock; spinlock_t request_queue_lock;
struct block_device *bdev; struct block_device *bdev;
unsigned int devindex; unsigned int devindex;
unsigned long blocks; /* size of volume in blocks */ unsigned long blocks; /* size of volume in blocks */
unsigned int bp_block; /* bytes per block */ unsigned int bp_block; /* bytes per block */
unsigned int s2b_shift; /* log2 (bp_block/512) */ unsigned int s2b_shift; /* log2 (bp_block/512) */
unsigned long flags; /* per device flags */ unsigned long flags; /* per device flags */
unsigned short features; /* copy of devmap-features (read-only!) */ unsigned short features; /* copy of devmap-features (read-only!) */
/* extended error reporting stuff (eer) */ /* extended error reporting stuff (eer) */
struct dasd_ccw_req *eer_cqr; struct dasd_ccw_req *eer_cqr;
@ -606,22 +606,3 @@ static inline int dasd_eer_enabled(struct dasd_device *device)
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */
#endif /* DASD_H */ #endif /* DASD_H */
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: 1
* tab-width: 8
* End:
*/

12
drivers/s390/block/dasd_ioctl.c
View File

@ -90,10 +90,10 @@ static int
dasd_ioctl_quiesce(struct dasd_device *device) dasd_ioctl_quiesce(struct dasd_device *device)
{ {
unsigned long flags; unsigned long flags;
if (!capable (CAP_SYS_ADMIN)) if (!capable (CAP_SYS_ADMIN))
return -EACCES; return -EACCES;
DEV_MESSAGE (KERN_DEBUG, device, "%s", DEV_MESSAGE (KERN_DEBUG, device, "%s",
"Quiesce IO on device"); "Quiesce IO on device");
spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags); spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
@ -110,13 +110,13 @@ static int
dasd_ioctl_resume(struct dasd_device *device) dasd_ioctl_resume(struct dasd_device *device)
{ {
unsigned long flags; unsigned long flags;
if (!capable (CAP_SYS_ADMIN)) if (!capable (CAP_SYS_ADMIN))
return -EACCES; return -EACCES;
DEV_MESSAGE (KERN_DEBUG, device, "%s", DEV_MESSAGE (KERN_DEBUG, device, "%s",
"resume IO on device"); "resume IO on device");
spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags); spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
device->stopped &= ~DASD_STOPPED_QUIESCE; device->stopped &= ~DASD_STOPPED_QUIESCE;
spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags); spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
@ -287,7 +287,7 @@ dasd_ioctl_information(struct dasd_device *device,
dasd_info->open_count = atomic_read(&device->open_count); dasd_info->open_count = atomic_read(&device->open_count);
if (!device->bdev) if (!device->bdev)
dasd_info->open_count++; dasd_info->open_count++;
/* /*
* check if device is really formatted * check if device is really formatted
* LDL / CDL was returned by 'fill_info' * LDL / CDL was returned by 'fill_info'