From 355808c296c6923db6705f43639969a80b16d15d Mon Sep 17 00:00:00 2001
From: Jeff Mahoney <jeffm@suse.com>
Date: Mon, 3 Oct 2011 23:23:14 -0400
Subject: [PATCH] btrfs: ->submit_bio_hook error push-up

This pushes failures from the submit_bio_hook callbacks,
btrfs_submit_bio_hook and btree_submit_bio_hook into the callers, including
callers of submit_one_bio where it catches the failures with BUG_ON.

It also pushes up through the ->readpage_io_failed_hook to
end_bio_extent_writepage where the error is already caught with BUG_ON.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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