[SCSI] zfcp: Specify waiting times in ERP in seconds
authorChristof Schmitt <christof.schmitt@de.ibm.com>
Mon, 5 Nov 2007 11:37:45 +0000 (12:37 +0100)
committerJames Bottomley <James.Bottomley@HansenPartnership.com>
Sat, 12 Jan 2008 00:22:40 +0000 (18:22 -0600)
It is not necessary to use jiffies or milliseconds to specify
waiting times that last a couple of seconds.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
drivers/s390/scsi/zfcp_def.h
drivers/s390/scsi/zfcp_erp.c

index e268f79..3d2d2dc 100644 (file)
@@ -118,7 +118,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
 
 #define ZFCP_SBAL_TIMEOUT               (5*HZ)
 
-#define ZFCP_TYPE2_RECOVERY_TIME        (8*HZ)
+#define ZFCP_TYPE2_RECOVERY_TIME        8      /* seconds */
 
 /* queue polling (values in microseconds) */
 #define ZFCP_MAX_INPUT_THRESHOLD       5000    /* FIXME: tune */
@@ -139,7 +139,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
 #define ZFCP_STATUS_READS_RECOM                        FSF_STATUS_READS_RECOM
 
 /* Do 1st retry in 1 second, then double the timeout for each following retry */
-#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP  100
+#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP  1
 #define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES      7
 
 /* timeout value for "default timer" for fsf requests */
index 07fa824..9c6ea99 100644 (file)
@@ -131,7 +131,7 @@ static void zfcp_close_qdio(struct zfcp_adapter *adapter)
        debug_text_event(adapter->erp_dbf, 3, "qdio_down2a");
        while (qdio_shutdown(adapter->ccw_device,
                             QDIO_FLAG_CLEANUP_USING_CLEAR) == -EINPROGRESS)
-               msleep(1000);
+               ssleep(1);
        debug_text_event(adapter->erp_dbf, 3, "qdio_down2b");
 
        /* cleanup used outbound sbals */
@@ -1900,7 +1900,7 @@ zfcp_erp_adapter_strategy(struct zfcp_erp_action *erp_action)
                ZFCP_LOG_INFO("Waiting to allow the adapter %s "
                              "to recover itself\n",
                              zfcp_get_busid_by_adapter(adapter));
-               msleep(jiffies_to_msecs(ZFCP_TYPE2_RECOVERY_TIME));
+               ssleep(ZFCP_TYPE2_RECOVERY_TIME);
        }
 
        return retval;
@@ -2080,7 +2080,7 @@ zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *erp_action)
        debug_text_event(adapter->erp_dbf, 3, "qdio_down1a");
        while (qdio_shutdown(adapter->ccw_device,
                             QDIO_FLAG_CLEANUP_USING_CLEAR) == -EINPROGRESS)
-               msleep(1000);
+               ssleep(1);
        debug_text_event(adapter->erp_dbf, 3, "qdio_down1b");
 
  failed_qdio_establish:
@@ -2165,7 +2165,7 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
                ZFCP_LOG_DEBUG("host connection still initialising... "
                               "waiting and retrying...\n");
                /* sleep a little bit before retry */
-               msleep(jiffies_to_msecs(sleep));
+               ssleep(sleep);
                sleep *= 2;
        }