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Christoph Hellwig authored
If we are doing synchronous inode reclaim we block the VM from making progress in memory reclaim. So if we encouter a flush locked inode promote it in the delwri list and wake up xfsbufd to write it out now. Without this we can get hangs of up to 30 seconds during workloads hitting synchronous inode reclaim. The scheme is copied from what we do for dquot reclaims. Reported-by: Simon Kirby <sim@hostway.ca> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Simon Kirby <sim@hostway.ca> Signed-off-by: Ben Myers <bpm@sgi.com>
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