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Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r--drivers/s390/block/dasd.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index bd5914994142..08c23a921012 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -57,6 +57,8 @@ static void dasd_device_tasklet(struct dasd_device *);
57static void dasd_block_tasklet(struct dasd_block *); 57static void dasd_block_tasklet(struct dasd_block *);
58static void do_kick_device(struct work_struct *); 58static void do_kick_device(struct work_struct *);
59static void dasd_return_cqr_cb(struct dasd_ccw_req *, void *); 59static void dasd_return_cqr_cb(struct dasd_ccw_req *, void *);
60static void dasd_device_timeout(unsigned long);
61static void dasd_block_timeout(unsigned long);
60 62
61/* 63/*
62 * SECTION: Operations on the device structure. 64 * SECTION: Operations on the device structure.
@@ -99,6 +101,8 @@ struct dasd_device *dasd_alloc_device(void)
99 (unsigned long) device); 101 (unsigned long) device);
100 INIT_LIST_HEAD(&device->ccw_queue); 102 INIT_LIST_HEAD(&device->ccw_queue);
101 init_timer(&device->timer); 103 init_timer(&device->timer);
104 device->timer.function = dasd_device_timeout;
105 device->timer.data = (unsigned long) device;
102 INIT_WORK(&device->kick_work, do_kick_device); 106 INIT_WORK(&device->kick_work, do_kick_device);
103 device->state = DASD_STATE_NEW; 107 device->state = DASD_STATE_NEW;
104 device->target = DASD_STATE_NEW; 108 device->target = DASD_STATE_NEW;
@@ -138,6 +142,8 @@ struct dasd_block *dasd_alloc_block(void)
138 INIT_LIST_HEAD(&block->ccw_queue); 142 INIT_LIST_HEAD(&block->ccw_queue);
139 spin_lock_init(&block->queue_lock); 143 spin_lock_init(&block->queue_lock);
140 init_timer(&block->timer); 144 init_timer(&block->timer);
145 block->timer.function = dasd_block_timeout;
146 block->timer.data = (unsigned long) block;
141 147
142 return block; 148 return block;
143} 149}
@@ -915,19 +921,10 @@ static void dasd_device_timeout(unsigned long ptr)
915 */ 921 */
916void dasd_device_set_timer(struct dasd_device *device, int expires) 922void dasd_device_set_timer(struct dasd_device *device, int expires)
917{ 923{
918 if (expires == 0) { 924 if (expires == 0)
919 if (timer_pending(&device->timer)) 925 del_timer(&device->timer);
920 del_timer(&device->timer); 926 else
921 return; 927 mod_timer(&device->timer, jiffies + expires);
922 }
923 if (timer_pending(&device->timer)) {
924 if (mod_timer(&device->timer, jiffies + expires))
925 return;
926 }
927 device->timer.function = dasd_device_timeout;
928 device->timer.data = (unsigned long) device;
929 device->timer.expires = jiffies + expires;
930 add_timer(&device->timer);
931} 928}
932 929
933/* 930/*
@@ -935,8 +932,7 @@ void dasd_device_set_timer(struct dasd_device *device, int expires)
935 */ 932 */
936void dasd_device_clear_timer(struct dasd_device *device) 933void dasd_device_clear_timer(struct dasd_device *device)
937{ 934{
938 if (timer_pending(&device->timer)) 935 del_timer(&device->timer);
939 del_timer(&device->timer);
940} 936}
941 937
942static void dasd_handle_killed_request(struct ccw_device *cdev, 938static void dasd_handle_killed_request(struct ccw_device *cdev,
@@ -1586,19 +1582,10 @@ static void dasd_block_timeout(unsigned long ptr)
1586 */ 1582 */
1587void dasd_block_set_timer(struct dasd_block *block, int expires) 1583void dasd_block_set_timer(struct dasd_block *block, int expires)
1588{ 1584{
1589 if (expires == 0) { 1585 if (expires == 0)
1590 if (timer_pending(&block->timer)) 1586 del_timer(&block->timer);
1591 del_timer(&block->timer); 1587 else
1592 return; 1588 mod_timer(&block->timer, jiffies + expires);
1593 }
1594 if (timer_pending(&block->timer)) {
1595 if (mod_timer(&block->timer, jiffies + expires))
1596 return;
1597 }
1598 block->timer.function = dasd_block_timeout;
1599 block->timer.data = (unsigned long) block;
1600 block->timer.expires = jiffies + expires;
1601 add_timer(&block->timer);
1602} 1589}
1603 1590
1604/* 1591/*
@@ -1606,8 +1593,7 @@ void dasd_block_set_timer(struct dasd_block *block, int expires)
1606 */ 1593 */
1607void dasd_block_clear_timer(struct dasd_block *block) 1594void dasd_block_clear_timer(struct dasd_block *block)
1608{ 1595{
1609 if (timer_pending(&block->timer)) 1596 del_timer(&block->timer);
1610 del_timer(&block->timer);
1611} 1597}
1612 1598
1613/* 1599/*