Hi all
When we calculate the speed of recovery, the numerator that contains the recovery done sectors.
It's need to subtract the sectors which don't finish recovery.
Signed-off-by: Xiao Ni <xni@xxxxxxxxxx>
diff -urN linux-stable/drivers/md/md.c fix/md.c
--- linux-stable/drivers/md/md.c 2014-07-30 14:36:37.327535805 +0800
+++ fix/md.c 2014-08-07 16:07:12.559503942 +0800
@@ -7376,7 +7376,7 @@
struct mddev *mddev2;
unsigned int currspeed = 0,
window;
- sector_t max_sectors,j, io_sectors;
+ sector_t max_sectors,j, io_sectors, recovery_done;
unsigned long mark[SYNC_MARKS];
unsigned long update_time;
sector_t mark_cnt[SYNC_MARKS];
@@ -7652,7 +7652,8 @@
*/
cond_resched();
- currspeed = ((unsigned long)(io_sectors-mddev->resync_mark_cnt))/2
+ recovery_done = io_sectors - atomic_read(&mddev->recovery_active);
+ currspeed = ((unsigned long)recovery_done - mddev->resync_mark_cnt)/2
/((jiffies-mddev->resync_mark)/HZ +1) +1;
if (currspeed > speed_min(mddev)) {
--
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