summaryrefslogtreecommitdiffstats
path: root/drivers/s390/block
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/block')
-rw-r--r--drivers/s390/block/dasd.c35
-rw-r--r--drivers/s390/block/dasd_3990_erp.c3
-rw-r--r--drivers/s390/block/dasd_alias.c2
-rw-r--r--drivers/s390/block/dasd_devmap.c3
-rw-r--r--drivers/s390/block/dasd_diag.c3
-rw-r--r--drivers/s390/block/dasd_diag.h3
-rw-r--r--drivers/s390/block/dasd_eckd.c2
-rw-r--r--drivers/s390/block/dasd_eckd.h3
-rw-r--r--drivers/s390/block/dasd_eer.c2
-rw-r--r--drivers/s390/block/dasd_erp.c3
-rw-r--r--drivers/s390/block/dasd_fba.c1
-rw-r--r--drivers/s390/block/dasd_fba.h3
-rw-r--r--drivers/s390/block/dasd_genhd.c3
-rw-r--r--drivers/s390/block/dasd_int.h2
-rw-r--r--drivers/s390/block/dasd_ioctl.c3
-rw-r--r--drivers/s390/block/dasd_proc.c3
16 files changed, 47 insertions, 27 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index f3509120a50..15370a2c5ff 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1,5 +1,4 @@
/*
- * File...........: linux/drivers/s390/block/dasd.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
@@ -52,7 +51,7 @@ void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *);
MODULE_AUTHOR("Holger Smolinski <Holger.Smolinski@de.ibm.com>");
MODULE_DESCRIPTION("Linux on S/390 DASD device driver,"
- " Copyright 2000 IBM Corporation");
+ " Copyright IBM Corp. 2000");
MODULE_SUPPORTED_DEVICE("dasd");
MODULE_LICENSE("GPL");
@@ -82,6 +81,7 @@ static void dasd_profile_exit(struct dasd_profile *);
static wait_queue_head_t dasd_init_waitq;
static wait_queue_head_t dasd_flush_wq;
static wait_queue_head_t generic_waitq;
+static wait_queue_head_t shutdown_waitq;
/*
* Allocate memory for a new device structure.
@@ -1994,6 +1994,8 @@ static void dasd_device_tasklet(struct dasd_device *device)
/* Now check if the head of the ccw queue needs to be started. */
__dasd_device_start_head(device);
spin_unlock_irq(get_ccwdev_lock(device->cdev));
+ if (waitqueue_active(&shutdown_waitq))
+ wake_up(&shutdown_waitq);
dasd_put_device(device);
}
@@ -2632,6 +2634,8 @@ static void dasd_block_tasklet(struct dasd_block *block)
__dasd_block_start_head(block);
spin_unlock(&block->queue_lock);
spin_unlock_irq(&block->request_queue_lock);
+ if (waitqueue_active(&shutdown_waitq))
+ wake_up(&shutdown_waitq);
dasd_put_device(block->base);
}
@@ -3474,6 +3478,32 @@ char *dasd_get_sense(struct irb *irb)
}
EXPORT_SYMBOL_GPL(dasd_get_sense);
+static inline int _wait_for_empty_queues(struct dasd_device *device)
+{
+ if (device->block)
+ return list_empty(&device->ccw_queue) &&
+ list_empty(&device->block->ccw_queue);
+ else
+ return list_empty(&device->ccw_queue);
+}
+
+void dasd_generic_shutdown(struct ccw_device *cdev)
+{
+ struct dasd_device *device;
+
+ device = dasd_device_from_cdev(cdev);
+ if (IS_ERR(device))
+ return;
+
+ if (device->block)
+ dasd_schedule_block_bh(device->block);
+
+ dasd_schedule_device_bh(device);
+
+ wait_event(shutdown_waitq, _wait_for_empty_queues(device));
+}
+EXPORT_SYMBOL_GPL(dasd_generic_shutdown);
+
static int __init dasd_init(void)
{
int rc;
@@ -3481,6 +3511,7 @@ static int __init dasd_init(void)
init_waitqueue_head(&dasd_init_waitq);
init_waitqueue_head(&dasd_flush_wq);
init_waitqueue_head(&generic_waitq);
+ init_waitqueue_head(&shutdown_waitq);
/* register 'common' DASD debug area, used for all DBF_XXX calls */
dasd_debug_area = debug_register("dasd", 1, 1, 8 * sizeof(long));
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 0326571e7ff..f8212d54013 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1,9 +1,8 @@
/*
- * File...........: linux/drivers/s390/block/dasd_3990_erp.c
* Author(s)......: Horst Hummel <Horst.Hummel@de.ibm.com>
* Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001
+ * Copyright IBM Corp. 2000, 2001
*
*/
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index b3beed5434e..157defe5e06 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -1,7 +1,7 @@
/*
* PAV alias management for the DASD ECKD discipline
*
- * Copyright IBM Corporation, 2007
+ * Copyright IBM Corp. 2007
* Author(s): Stefan Weinhuber <wein@de.ibm.com>
*/
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index d71511c7850..b2b8c18eece 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1,11 +1,10 @@
/*
- * File...........: linux/drivers/s390/block/dasd_devmap.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
+ * Copyright IBM Corp. 1999,2001
*
* Device mapping and dasd= parameter parsing functions. All devmap
* functions may not be called from interrupt context. In particular
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 0cea7e98f46..9bd5da36f99 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -1,10 +1,9 @@
/*
- * File...........: linux/drivers/s390/block/dasd_diag.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Based on.......: linux/drivers/s390/block/mdisk.c
* ...............: by Hartmunt Penner <hpenner@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * Copyright IBM Corp. 1999, 2000
*
*/
diff --git a/drivers/s390/block/dasd_diag.h b/drivers/s390/block/dasd_diag.h
index 4f71fbe60c8..a803cc73158 100644
--- a/drivers/s390/block/dasd_diag.h
+++ b/drivers/s390/block/dasd_diag.h
@@ -1,10 +1,9 @@
/*
- * File...........: linux/drivers/s390/block/dasd_diag.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Based on.......: linux/drivers/s390/block/mdisk.h
* ...............: by Hartmunt Penner <hpenner@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * Copyright IBM Corp. 1999, 2000
*
*/
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index bc2e8a7c265..40a826a7295 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1,5 +1,4 @@
/*
- * File...........: linux/drivers/s390/block/dasd_eckd.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
@@ -4247,6 +4246,7 @@ static struct ccw_driver dasd_eckd_driver = {
.set_online = dasd_eckd_set_online,
.notify = dasd_generic_notify,
.path_event = dasd_generic_path_event,
+ .shutdown = dasd_generic_shutdown,
.freeze = dasd_generic_pm_freeze,
.thaw = dasd_generic_restore_device,
.restore = dasd_generic_restore_device,
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 4a688a873a7..2555e494591 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -1,9 +1,8 @@
/*
- * File...........: linux/drivers/s390/block/dasd_eckd.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * Copyright IBM Corp. 1999, 2000
*
*/
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 16c5208c3dc..ff901b5509c 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -1,7 +1,7 @@
/*
* Character device driver for extended error reporting.
*
- * Copyright (C) 2005 IBM Corporation
+ * Copyright IBM Corp. 2005
* extended error reporting for DASD ECKD devices
* Author(s): Stefan Weinhuber <wein@de.ibm.com>
*/
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index 0eafe2e421e..d01ef82f875 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -1,11 +1,10 @@
/*
- * File...........: linux/drivers/s390/block/dasd.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
+ * Copyright IBM Corp. 1999, 2001
*
*/
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index a62a75358eb..fb7f3bdc660 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -1,5 +1,4 @@
/*
- * File...........: linux/drivers/s390/block/dasd_fba.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* Copyright IBM Corp. 1999, 2009
diff --git a/drivers/s390/block/dasd_fba.h b/drivers/s390/block/dasd_fba.h
index 14c910baa5f..b5d3db0e5ef 100644
--- a/drivers/s390/block/dasd_fba.h
+++ b/drivers/s390/block/dasd_fba.h
@@ -1,8 +1,7 @@
/*
- * File...........: linux/drivers/s390/block/dasd_fba.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * Coypright IBM Corp. 1999, 2000
*
*/
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 19a1ff03d65..f64921756ad 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -1,11 +1,10 @@
/*
- * File...........: linux/drivers/s390/block/dasd_genhd.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
+ * Copyright IBM Corp. 1999, 2001
*
* gendisk related functions for the dasd driver.
*
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index c05da00583f..7ff93eea673 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -1,5 +1,4 @@
/*
- * File...........: linux/drivers/s390/block/dasd_int.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
@@ -686,6 +685,7 @@ int dasd_generic_set_offline (struct ccw_device *cdev);
int dasd_generic_notify(struct ccw_device *, int);
int dasd_generic_last_path_gone(struct dasd_device *);
int dasd_generic_path_operational(struct dasd_device *);
+void dasd_generic_shutdown(struct ccw_device *);
void dasd_generic_handle_state_change(struct dasd_device *);
int dasd_generic_pm_freeze(struct ccw_device *);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 792c69e78fe..cceae70279f 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -1,11 +1,10 @@
/*
- * File...........: linux/drivers/s390/block/dasd_ioctl.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
+ * Copyright IBM Corp. 1999, 2001
*
* i/o controls for the dasd driver.
*/
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index e12989fff4f..78ac905a5b7 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -1,11 +1,10 @@
/*
- * File...........: linux/drivers/s390/block/dasd_proc.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Carsten Otte <Cotte@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
- * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2002
+ * Coypright IBM Corp. 1999, 2002
*
* /proc interface for the dasd driver.
*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-01 23:04:02 +0000