From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 27 Jul 2010 15:56:05 +0000 (-0400)
Subject: jbd2: Remove __GFP_NOFAIL from jbd2 layer
X-Git-Tag: v2.6.36-rc1~501^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47def82672b3ba4e7c5e9a4fe48a556f8684d0d6;p=pandora-kernel.git

jbd2: Remove __GFP_NOFAIL from jbd2 layer

__GFP_NOFAIL is going away, so add our own retry loop.  Also add
jbd2__journal_start() and jbd2__journal_restart() which take a gfp
mask, so that file systems can optionally (re)start transaction
handles using GFP_KERNEL.  If they do this, then they need to be
prepared to handle receiving an PTR_ERR(-ENOMEM) error, and be ready
to reflect that error up to userspace.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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