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>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 1a5ada084487..c1f28a87ea59 100644
--- 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);