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-rw-r--r--drivers/md/md.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 3b9b032aa006..d4f31e195e26 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7880,11 +7880,18 @@ void md_do_sync(struct md_thread *thread)
/((jiffies-mddev->resync_mark)/HZ +1) +1;
if (currspeed > speed_min(mddev)) {
- if ((currspeed > speed_max(mddev)) ||
- !is_mddev_idle(mddev, 0)) {
+ if (currspeed > speed_max(mddev)) {
msleep(500);
goto repeat;
}
+ if (!is_mddev_idle(mddev, 0)) {
+ /*
+ * Give other IO more of a chance.
+ * The faster the devices, the less we wait.
+ */
+ wait_event(mddev->recovery_wait,
+ !atomic_read(&mddev->recovery_active));
+ }
}
}
printk(KERN_INFO "md: %s: %s %s.\n",mdname(mddev), desc,