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Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r--drivers/s390/block/dasd.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index d5f53980749b..8fc891a9d47f 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -7,7 +7,7 @@
7 * Bugreports.to..: <Linux390@de.ibm.com> 7 * Bugreports.to..: <Linux390@de.ibm.com>
8 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001 8 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
9 * 9 *
10 * $Revision: 1.165 $ 10 * $Revision: 1.167 $
11 */ 11 */
12 12
13#include <linux/config.h> 13#include <linux/config.h>
@@ -1131,17 +1131,13 @@ __dasd_process_blk_queue(struct dasd_device * device)
1131 request_queue_t *queue; 1131 request_queue_t *queue;
1132 struct request *req; 1132 struct request *req;
1133 struct dasd_ccw_req *cqr; 1133 struct dasd_ccw_req *cqr;
1134 int nr_queued, feature_ro; 1134 int nr_queued;
1135 1135
1136 queue = device->request_queue; 1136 queue = device->request_queue;
1137 /* No queue ? Then there is nothing to do. */ 1137 /* No queue ? Then there is nothing to do. */
1138 if (queue == NULL) 1138 if (queue == NULL)
1139 return; 1139 return;
1140 1140
1141 feature_ro = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
1142 if (feature_ro < 0) /* no devmap */
1143 return;
1144
1145 /* 1141 /*
1146 * We requeue request from the block device queue to the ccw 1142 * We requeue request from the block device queue to the ccw
1147 * queue only in two states. In state DASD_STATE_READY the 1143 * queue only in two states. In state DASD_STATE_READY the
@@ -1162,7 +1158,8 @@ __dasd_process_blk_queue(struct dasd_device * device)
1162 nr_queued < DASD_CHANQ_MAX_SIZE) { 1158 nr_queued < DASD_CHANQ_MAX_SIZE) {
1163 req = elv_next_request(queue); 1159 req = elv_next_request(queue);
1164 1160
1165 if (feature_ro && rq_data_dir(req) == WRITE) { 1161 if (device->features & DASD_FEATURE_READONLY &&
1162 rq_data_dir(req) == WRITE) {
1166 DBF_DEV_EVENT(DBF_ERR, device, 1163 DBF_DEV_EVENT(DBF_ERR, device,
1167 "Rejecting write request %p", 1164 "Rejecting write request %p",
1168 req); 1165 req);
@@ -1814,17 +1811,13 @@ dasd_generic_set_online (struct ccw_device *cdev,
1814 1811
1815{ 1812{
1816 struct dasd_device *device; 1813 struct dasd_device *device;
1817 int feature_diag, rc; 1814 int rc;
1818 1815
1819 device = dasd_create_device(cdev); 1816 device = dasd_create_device(cdev);
1820 if (IS_ERR(device)) 1817 if (IS_ERR(device))
1821 return PTR_ERR(device); 1818 return PTR_ERR(device);
1822 1819
1823 feature_diag = dasd_get_feature(cdev, DASD_FEATURE_USEDIAG); 1820 if (device->features & DASD_FEATURE_USEDIAG) {
1824 if (feature_diag < 0)
1825 return feature_diag;
1826
1827 if (feature_diag) {
1828 if (!dasd_diag_discipline_pointer) { 1821 if (!dasd_diag_discipline_pointer) {
1829 printk (KERN_WARNING 1822 printk (KERN_WARNING
1830 "dasd_generic couldn't online device %s " 1823 "dasd_generic couldn't online device %s "