From: Christoph Hellwig <hch@lst.de>
Date: Fri, 8 Jul 2011 12:34:14 +0000 (+0200)
Subject: xfs: re-enable non-blocking behaviour in xfs_map_blocks
X-Git-Tag: v3.1-rc1~322^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbcdde3e76f45d56c4a30ca6c5d69b6d473d3fd1;p=pandora-kernel.git

xfs: re-enable non-blocking behaviour in xfs_map_blocks

The non-blockig behaviour in xfs_vm_writepage currently is conditional on
having both the WB_SYNC_NONE sync_mode and the nonblocking flag set.
The latter used to be used by both pdflush, kswapd and a few other places
in older kernels, but has been fading out starting with the introduction
of the per-bdi flusher threads.

Enable the non-blocking behaviour for all WB_SYNC_NONE calls to get back
the behaviour we want.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---

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