From: Wang Sheng-Hui <shhuiw@gmail.com>
Date: Fri, 23 Nov 2012 03:03:14 +0000 (+0000)
Subject: Btrfs: do not warn_on io_ctl->cur in io_ctl_map_page
X-Git-Tag: v3.8-rc1~71^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=071401258a580dec2a3e0c2700b7e76f3ed43320;p=pandora-kernel.git

Btrfs: do not warn_on io_ctl->cur in io_ctl_map_page

io_ctl_map_page is called by many functions in free-space-cache.
In most scenarios, the ->cur is not null, e.g. io_ctl_add_entry.
I think we'd better remove the warn_on here.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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