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Long Li authored
When ring buffer returns an error indicating retry, storvsc may not return a proper error code to SCSI when bounce buffer is not used. This has introduced I/O freeze on RAID running atop storvsc devices. This patch fixes it by always returning a proper error code. Signed-off-by:
Long Li <longli@microsoft.com> Reviewed-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> cc: stable@vger.kernel.org
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