From: Jens Axboe <jens.axboe@oracle.com>
Date: Wed, 15 Apr 2009 07:00:07 +0000 (+0200)
Subject: bio: add documentation to bio_alloc()
X-Git-Tag: v2.6.30-rc3~88^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86c824b9434e764d01489688e4e38aee43b93fcf;p=pandora-kernel.git

bio: add documentation to bio_alloc()

Explain that with __GFP_WAIT set it will not fail, and that the caller
must never allocate more than 1 bio at the time.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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