From: Tejun Heo <tj@xxxxxxxxxx> Date: Sat, 15 May 2010 20:09:27 +0200 > invalidate_bdev() should release all page cache pages which are clean > and not being used; however, if some pages are still in the percpu LRU > add caches on other cpus, those pages are considered in used and don't > get released. Fix it by calling lru_add_drain_all() before trying to > invalidate pages. > > This problem was discovered while testing block automatic native > capacity unlocking. Null pages which were read before automatic > unlocking didn't get released by invalidate_bdev() and ended up > interfering with partition scan after unlocking. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Acked-by: David S. Miller <davem@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
