[PATCH] s390: dasd failfast support

[firefly-linux-kernel-4.4.55.git] / drivers / s390 / block / dasd_eckd.c

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 811060e10c002459e01f3c22612241459cd56cb4..efc4cf62496e1c61c9bf779bdc878ce75f6135af 100644 (file)
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -7,7 +7,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
  *
- * $Revision: 1.71 $
+ * $Revision: 1.74 $
  */
 
 #include <linux/config.h>
@@ -1136,6 +1136,8 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
                        recid++;
                }
        }
+       if (req->flags & REQ_FAILFAST)
+               set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
        cqr->device = device;
        cqr->expires = 5 * 60 * HZ;     /* 5 minutes */
        cqr->lpm = private->path_data.ppm;
@@ -1252,6 +1254,7 @@ dasd_eckd_release(struct block_device *bdev, int no, long args)
        cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
        cqr->device = device;
        clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
+       set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
        cqr->retries = 0;
        cqr->expires = 2 * HZ;
        cqr->buildclk = get_clock();
@@ -1296,6 +1299,7 @@ dasd_eckd_reserve(struct block_device *bdev, int no, long args)
        cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
        cqr->device = device;
        clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
+       set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
        cqr->retries = 0;
        cqr->expires = 2 * HZ;
        cqr->buildclk = get_clock();
@@ -1339,6 +1343,7 @@ dasd_eckd_steal_lock(struct block_device *bdev, int no, long args)
        cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
        cqr->device = device;
        clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
+       set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
        cqr->retries = 0;
        cqr->expires = 2 * HZ;
        cqr->buildclk = get_clock();