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authorNeilBrown <neilb@suse.de>2009-12-14 12:49:53 +1100
committerNeilBrown <neilb@suse.de>2009-12-14 12:51:41 +1100
commit1b04be96f6910ee415287bf0d5309c7d4c94bd2b (patch)
tree9ea6dbd8e3d857c468b12d698c629786903da905 /drivers/md/bitmap.c
parent42a04b5078ce73a32f85762551d5703c5bd646a1 (diff)
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>
Diffstat (limited to 'drivers/md/bitmap.c')
-rw-r--r--drivers/md/bitmap.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 1a5ada08448..c1f28a87ea5 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);