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Commit ac7e50a3 authored by Xiao Ni's avatar Xiao Ni Committed by NeilBrown
Browse files

md: Recovery speed is wrong 



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: default avatarXiao Ni <xni@redhat.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent af5628f0

drivers/md/md.c

+3 −2
Original line number Diff line number Diff line
@@ -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)) {