Commit ba32311e authored by McMullan, Jason's avatar McMullan, Jason Committed by Linus Torvalds
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[PATCH] swapout oops fix 



Fix OOPS when swapping on a device that doesn't have an unplug_io_fn defined
(eg, ATA Over Ethernet)

Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 59afda78

mm/swapfile.c

+1 −1
Original line number Diff line number Diff line
@@ -79,7 +79,7 @@ void swap_unplug_io_fn(struct backing_dev_info *unused_bdi, struct page *page) 
		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);

}