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authorRandy Dunlap <randy.dunlap@oracle.com>2009-11-11 13:47:45 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-11-11 13:47:45 +0100
commitad5ebd2fa2557b04a653bb3c3377a47da8f9b8e9 (patch)
treef70ba006e73db3450b468c3098d43fc2a392b1da /block
parent86b37281411cf1e9bc0a6b5406c45edb7bd9ea5d (diff)
block: jiffies fixes
Use HZ-independent calculation of milliseconds. Add jiffies.h where it was missing since functions or macros from it are used. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-settings.c3
-rw-r--r--block/bsg.c3
-rw-r--r--block/cfq-iosched.c1
3 files changed, 5 insertions, 2 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 7f986cafacd..1ebc1fdb914 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -8,6 +8,7 @@
#include <linux/blkdev.h>
#include <linux/bootmem.h> /* for max_pfn/max_low_pfn */
#include <linux/gcd.h>
+#include <linux/jiffies.h>
#include "blk.h"
@@ -144,7 +145,7 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
q->nr_batching = BLK_BATCH_REQ;
q->unplug_thresh = 4; /* hmm */
- q->unplug_delay = (3 * HZ) / 1000; /* 3 milliseconds */
+ q->unplug_delay = msecs_to_jiffies(3); /* 3 milliseconds */
if (q->unplug_delay == 0)
q->unplug_delay = 1;
diff --git a/block/bsg.c b/block/bsg.c
index 0676301f16d..a9fd2d84b53 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -15,6 +15,7 @@
#include <linux/blkdev.h>
#include <linux/poll.h>
#include <linux/cdev.h>
+#include <linux/jiffies.h>
#include <linux/percpu.h>
#include <linux/uio.h>
#include <linux/idr.h>
@@ -197,7 +198,7 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
rq->cmd_len = hdr->request_len;
rq->cmd_type = REQ_TYPE_BLOCK_PC;
- rq->timeout = (hdr->timeout * HZ) / 1000;
+ rq->timeout = msecs_to_jiffies(hdr->timeout);
if (!rq->timeout)
rq->timeout = q->sg_timeout;
if (!rq->timeout)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 829d87d3e00..1bcbd8c7989 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/elevator.h>
+#include <linux/jiffies.h>
#include <linux/rbtree.h>
#include <linux/ioprio.h>
#include <linux/blktrace_api.h>