From: Omar Sandoval <osandov@fb.com>
Date: Fri, 19 Jun 2015 18:52:48 +0000 (-0700)
Subject: Btrfs: remove misleading handling of missing device scrub
X-Git-Tag: omap-for-v4.3/fixes-rc1~86^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03679ade86b2b1c370c8790f1ffcbcdef6d49f9f;p=pandora-kernel.git

Btrfs: remove misleading handling of missing device scrub

scrub_submit() claims that it can handle a bio with a NULL block device,
but this is misleading, as calling bio_add_page() on a bio with a NULL
->bi_bdev would've already crashed. Delete this, as we're about to
properly handle a missing block device.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
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