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Revert "xfs: fix filesystsem freeze race in xfs_trans_alloc"
This reverts commit 7a249cf. That commit created a situation that could lead to a filesystem hang. As Dave Chinner pointed out, xfs_trans_alloc() could hold a reference to m_active_trans (i.e., keep it non-zero) and then wait for SB_FREEZE_TRANS to complete. Meanwhile a filesystem freeze request could set SB_FREEZE_TRANS and then wait for m_active_trans to drop to zero. Nobody benefits from this sequence of events... Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
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Alex Elder
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Jul 11, 2011
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