From: David Chinner <dgc@sgi.com>
Date: Sat, 10 Feb 2007 07:36:17 +0000 (+1100)
Subject: [XFS] Fix block reservation mechanism.
X-Git-Tag: v2.6.21-rc1~274^2~227^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbcabad19aa91dc9bc7176fd2853fa74f724cd2f;p=pandora-kernel.git

[XFS] Fix block reservation mechanism.

The block reservation mechanism has been broken since the per-cpu
superblock counters were introduced. Make the block reservation code work
with the per-cpu counters by syncing the counters, snapshotting the amount
of available space and then doing a modifcation of the counter state
according to the result. Continue in a loop until we either have no space
available or we reserve some space.

SGI-PV: 956323
SGI-Modid: xfs-linux-melb:xfs-kern:27895a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
---

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