This patch fixes swapping for devices that do not need to define an unplug_io_fn(). -- Jason McMullan <[email protected]> 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 <[email protected]> --- 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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