Commit 1d9d5241 authored Oct 16, 2009 by NeilBrown

md/raid1/raid10: add a cond_resched



During 'check' of a raid1 or raid10 it is possible for the management
thread to spend a lot of time running 'memcmp' on blocks from
different devices, so make sure the thread has a chance to schedule.
raid5d already has a cond_resched (in process_stripe).

Reported-By: Lee Howard <faxguy@howardsilvan.com>
Signed-off-by: NeilBrown <neilb@suse.de>

parent 1442577b

drivers/md/raid1.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1683,6 +1683,7 @@ static void raid1d(mddev_t *mddev)
		generic_make_request(bio);
		}
		}
		cond_resched();
		}
		if (unplug)
		unplug_slaves(mddev);

drivers/md/raid10.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1632,6 +1632,7 @@ static void raid10d(mddev_t *mddev)
		generic_make_request(bio);
		}
		}
		cond_resched();
		}
		if (unplug)
		unplug_slaves(mddev);