[PATCH 2.6.11.7] Swapping OOPS fix for ATA Over Ethernet

[McMullan, Jason]

This patch fixes swapping for devices that do not need to define an
unplug_io_fn().


-- 
Jason McMullan <jason.mcmullan@xxxxxxxxxxx>
TimeSys Corporation

Description: Fix OOPS when swapping on a device that doesn't have
	an unplug_io_fn defined (ie, ATA Over Ethernet)
Signed-Off-By: Jason McMullan <jason.mcmullan@xxxxxxxxxxx>

--- linux-orig/mm/swapfile.c
+++ linux/mm/swapfile.c
@@ -80,7 +80,7 @@
 		WARN_ON(page_count(page) <= 1);
 
 		bdi = bdev->bd_inode->i_mapping->backing_dev_info;
-		bdi->unplug_io_fn(bdi, page);
+		blk_run_backing_dev(bdi, page);
 	}
 	up_read(&swap_unplug_sem);
 }

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