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majianpeng authored
commit ee7289bfadda5f4ef60884547ebc9989c8fb314a upstream. For sync_read/write, it may do multi stripe operations.If one of those met erro, we return the former successed size rather than a error value. There is a exception for write-operation met -EOLDSNAPC.If this occur,we retry the whole write again. Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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