From: Nikolay Borisov <kernel@kyup.com>
Date: Thu, 2 Jul 2015 05:34:07 +0000 (-0400)
Subject: ext4: avoid deadlocks in the writeback path by using sb_getblk_gfp
X-Git-Tag: omap-for-v4.2/fixes-rc2-v2~37^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c45653c341f5c8a0ce19c8f0ad4678640849cb86;p=pandora-kernel.git

ext4: avoid deadlocks in the writeback path by using sb_getblk_gfp

Switch ext4 to using sb_getblk_gfp with GFP_NOFS added to fix possible
deadlocks in the page writeback path.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
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