[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: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -79,7 +79,7 @@ void swap_unplug_io_fn(struct backing_dev_info *unused_bdi, struct page *page)
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WARN_ON(page_count(page) <= 1);
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bdi = bdev->bd_inode->i_mapping->backing_dev_info;
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bdi->unplug_io_fn(bdi, page);
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blk_run_backing_dev(bdi, page);
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}
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up_read(&swap_unplug_sem);
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}
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