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由 Linus Torvalds 提交于
Instead of returning EAGAIN and having the caller do something special for that case, just do the special case directly. Reviewed-by: NJames Morris <jmorris@namei.org> Acked-by: NSerge Hallyn <serue@us.ibm.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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