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md: Recovery speed is wrong

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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@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Xiao Ni 2014-08-07 09:37:41 -04:00 committed by NeilBrown
parent af5628f05d
commit ac7e50a383
1 changed files with 3 additions and 2 deletions
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5
drivers/md/md.c
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@ -7376,7 +7376,7 @@ void md_do_sync(struct md_thread *thread)
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 @@ void md_do_sync(struct md_thread *thread)
*/
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)) {