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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: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
McMullan, Jason 2005-05-16 21:53:40 -07:00 committed by Linus Torvalds
parent 59afda786a
commit ba32311eb7
1 changed files with 1 additions and 1 deletions
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2
mm/swapfile.c
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@ -79,7 +79,7 @@ void swap_unplug_io_fn(struct backing_dev_info *unused_bdi, struct page *page)
WARN_ON(page_count(page) <= 1); WARN_ON(page_count(page) <= 1);
bdi = bdev->bd_inode->i_mapping->backing_dev_info; 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); up_read(&swap_unplug_sem);
} }