On Mon, Dec 16, 2019 at 03:18:54PM +0800, Xu Zaibo wrote: > Hi, > > I get a confusion. > > According to my understanding, That 'crypto_skcipher_encrypt(request)' > returns '-EBUSY ' > > means the caller should call this API again with the request. However, as my > knowledge in > > 'dm-crypt', this means the caller need not call this request again, because > 'dm-crypt' thinks > > that the driver of 'crypto_skcipher_encrypt' will send the request again as > it is not busy. > > So, my question is: what's the meaning of > 'crypto_skcipher_encrypt(request)' returning '-EBUSY '? > > > Cheers, > -EBUSY means that the request was put on the backlog. It will still be completed eventually. - Eric
