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authorNeilBrown <neilb@suse.de>2009-10-16 15:55:32 +1100
committerNeilBrown <neilb@suse.de>2009-10-16 15:55:32 +1100
commit1d9d52416c0445019ccc1f0fddb9a227456eb61b (patch)
tree1dc189d68babe4827e2a16d98fae6aeaa40792d7 /drivers/md/raid10.c
parent1442577bf6da1a31ae6555212202be9a2cec5642 (diff)
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>
Diffstat (limited to 'drivers/md/raid10.c')
-rw-r--r--drivers/md/raid10.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 51c4c5c4d87..69fc76caa46 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1632,6 +1632,7 @@ static void raid10d(mddev_t *mddev)
generic_make_request(bio);
}
}
+ cond_resched();
}
if (unplug)
unplug_slaves(mddev);