md: change daemon_sleep to be in 'jiffies' rather than 'seconds'.

This removes a lot of multiplications by HZ.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 1a5ada0..c1f28a8 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -565,7 +565,7 @@ static int bitmap_read_sb(struct bitmap *bitmap)
        sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
 
        chunksize = le32_to_cpu(sb->chunksize);
-       daemon_sleep = le32_to_cpu(sb->daemon_sleep);
+       daemon_sleep = le32_to_cpu(sb->daemon_sleep) * HZ;
        write_behind = le32_to_cpu(sb->write_behind);
 
        /* verify that the bitmap-specific fields are valid */
@@ -578,7 +578,7 @@ static int bitmap_read_sb(struct bitmap *bitmap)
                reason = "bitmap chunksize too small";
        else if ((1 << ffz(~chunksize)) != chunksize)
                reason = "bitmap chunksize not a power of 2";
-       else if (daemon_sleep < 1 || daemon_sleep > MAX_SCHEDULE_TIMEOUT / HZ)
+       else if (daemon_sleep < 1 || daemon_sleep > MAX_SCHEDULE_TIMEOUT)
                reason = "daemon sleep period out of range";
        else if (write_behind > COUNTER_MAX)
                reason = "write-behind limit out of range (0 - 16383)";
@@ -1100,7 +1100,7 @@ void bitmap_daemon_work(mddev_t *mddev)
                return;
        }
        if (time_before(jiffies, bitmap->daemon_lastrun
-                       + bitmap->mddev->bitmap_info.daemon_sleep*HZ))
+                       + bitmap->mddev->bitmap_info.daemon_sleep))
                goto done;
 
        bitmap->daemon_lastrun = jiffies;
@@ -1215,7 +1215,7 @@ void bitmap_daemon_work(mddev_t *mddev)
  done:
        if (bitmap->allclean == 0)
                bitmap->mddev->thread->timeout = 
-                       bitmap->mddev->bitmap_info.daemon_sleep * HZ;
+                       bitmap->mddev->bitmap_info.daemon_sleep;
        mutex_unlock(&mddev->bitmap_info.mutex);
 }
 
@@ -1484,7 +1484,7 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector)
                return;
        }
        if (time_before(jiffies, (bitmap->last_end_sync
-                                 + bitmap->mddev->bitmap_info.daemon_sleep * HZ)))
+                                 + bitmap->mddev->bitmap_info.daemon_sleep)))
                return;
        wait_event(bitmap->mddev->recovery_wait,
                   atomic_read(&bitmap->mddev->recovery_active) == 0);
@@ -1553,7 +1553,7 @@ void bitmap_flush(mddev_t *mddev)
        /* run the daemon_work three time to ensure everything is flushed
         * that can be
         */
-       sleep = mddev->bitmap_info.daemon_sleep * HZ * 2;
+       sleep = mddev->bitmap_info.daemon_sleep * 2;
        bitmap->daemon_lastrun -= sleep;
        bitmap_daemon_work(mddev);
        bitmap->daemon_lastrun -= sleep;
@@ -1694,7 +1694,7 @@ int bitmap_create(mddev_t *mddev)
 
        mddev->bitmap = bitmap;
 
-       mddev->thread->timeout = mddev->bitmap_info.daemon_sleep * HZ;
+       mddev->thread->timeout = mddev->bitmap_info.daemon_sleep;
 
        bitmap_update_sb(bitmap);
 

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 2255e33..064c2bb 100644 (file)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2277,7 +2277,7 @@ static void raid10_quiesce(mddev_t *mddev, int state)
        }
        if (mddev->thread) {
                if (mddev->bitmap)
-                       mddev->thread->timeout = mddev->bitmap_info.daemon_sleep * HZ;
+                       mddev->thread->timeout = mddev->bitmap_info.daemon_sleep;
                else
                        mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;
                md_wakeup_thread(mddev->thread);