From: Brian Foster <bfoster@redhat.com>
Date: Fri, 22 Feb 2013 18:32:56 +0000 (-0500)
Subject: xfs: fix potential infinite loop in xfs_iomap_prealloc_size()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~58^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e78c420bfc2608bb5f9a0b9165b1071c1e31166a;p=pandora-kernel.git

xfs: fix potential infinite loop in xfs_iomap_prealloc_size()

If freesp == 0, we could end up in an infinite loop while squashing
the preallocation. Break the loop when we've killed the prealloc
entirely.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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