mm/backing-dev.c: remove recently-added WARN_ON()
On second thoughts, this is just going to disturb people while telling us
things which we already knew.
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 2a56124..801c08b 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -176,7 +176,7 @@
int ret = 0;
struct device *dev;
- if (WARN_ON(bdi->dev))
+ if (bdi->dev) /* The driver needs to use separate queues per device */
goto exit;
va_start(args, fmt);