[PATCH 0/7] Cleanup code that think bio_alloc with __GFP

xfs-masters

[PATCH 0/7] Cleanup code that think bio_alloc with __GFP_WAIT can fail

To:	Jens Axboe <jens.axboe@xxxxxxxxxx>
Subject:	[PATCH 0/7] Cleanup code that think bio_alloc with __GFP_WAIT can fail
From:	Nikanth Karthikesan <knikanth@xxxxxxx>
Date:	Wed, 15 Apr 2009 10:34:51 +0530
Cc:	linux-kernel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, tytso@xxxxxxx, adilger@xxxxxxx, Steven Whitehouse <swhiteho@xxxxxxxxxx>, xfs-masters@xxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Organization:	suse.de
User-agent:	KMail/1.11.1 (Linux/2.6.27.21-0.1-default; KDE/4.2.1; x86_64; ; )

bio_alloc will not fail when __GFP_WAIT is specified in the gfp_flags. See 
http://lkml.org/lkml/2009/4/14/198 for the discussion. But this not documented 
and there are places where there is unwanted code to handle bio_alloc failure 
even when __GFP_WAIT is specified. This patch set documents this and cleans up 
various callers who assume bio_alloc can fail even with __GFP_WAIT.

Thanks
Nikanth

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