From: Mark Fasheh <mfasheh@suse.com>
Date: Tue, 12 Jul 2011 17:57:59 +0000 (-0700)
Subject: btrfs: Don't BUG_ON alloc_path errors in find_next_chunk
X-Git-Tag: v3.1-rc1~82^2~24^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92b8e897f6e7ba4aa10037ebd8186f85d39330d0;p=pandora-kernel.git

btrfs: Don't BUG_ON alloc_path errors in find_next_chunk

I also removed the BUG_ON from error return of find_next_chunk in
init_first_rw_device(). It turns out that the only caller of
init_first_rw_device() also BUGS on any nonzero return so no actual behavior
change has occurred here.

do_chunk_alloc() also needed an update since it calls btrfs_alloc_chunk()
which can now return -ENOMEM. Instead of setting space_info->full on any
error from btrfs_alloc_chunk() I catch and return every error value _except_
-ENOSPC. Thanks goes to Tsutomu Itoh for pointing that issue out.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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