crypto: af_alg - make some functions static
Some exported functions in af_alg.c aren't used outside of that file. Therefore, un-export them and make them 'static'. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -425,12 +425,12 @@ int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_make_sg);
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EXPORT_SYMBOL_GPL(af_alg_make_sg);
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void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new)
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static void af_alg_link_sg(struct af_alg_sgl *sgl_prev,
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struct af_alg_sgl *sgl_new)
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{
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{
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sg_unmark_end(sgl_prev->sg + sgl_prev->npages - 1);
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sg_unmark_end(sgl_prev->sg + sgl_prev->npages - 1);
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sg_chain(sgl_prev->sg, sgl_prev->npages + 1, sgl_new->sg);
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sg_chain(sgl_prev->sg, sgl_prev->npages + 1, sgl_new->sg);
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_link_sg);
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void af_alg_free_sg(struct af_alg_sgl *sgl)
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void af_alg_free_sg(struct af_alg_sgl *sgl)
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{
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{
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@ -441,7 +441,7 @@ void af_alg_free_sg(struct af_alg_sgl *sgl)
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_free_sg);
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EXPORT_SYMBOL_GPL(af_alg_free_sg);
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int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
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static int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
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{
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{
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struct cmsghdr *cmsg;
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struct cmsghdr *cmsg;
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@ -480,7 +480,6 @@ int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
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return 0;
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return 0;
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_cmsg_send);
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/**
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/**
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* af_alg_alloc_tsgl - allocate the TX SGL
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* af_alg_alloc_tsgl - allocate the TX SGL
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@ -488,7 +487,7 @@ EXPORT_SYMBOL_GPL(af_alg_cmsg_send);
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* @sk socket of connection to user space
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* @sk socket of connection to user space
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* @return: 0 upon success, < 0 upon error
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* @return: 0 upon success, < 0 upon error
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*/
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*/
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int af_alg_alloc_tsgl(struct sock *sk)
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static int af_alg_alloc_tsgl(struct sock *sk)
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{
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{
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struct alg_sock *ask = alg_sk(sk);
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struct alg_sock *ask = alg_sk(sk);
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struct af_alg_ctx *ctx = ask->private;
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struct af_alg_ctx *ctx = ask->private;
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@ -517,7 +516,6 @@ int af_alg_alloc_tsgl(struct sock *sk)
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return 0;
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return 0;
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_alloc_tsgl);
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/**
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/**
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* aead_count_tsgl - Count number of TX SG entries
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* aead_count_tsgl - Count number of TX SG entries
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@ -654,7 +652,7 @@ EXPORT_SYMBOL_GPL(af_alg_pull_tsgl);
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*
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*
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* @areq Request holding the TX and RX SGL
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* @areq Request holding the TX and RX SGL
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*/
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*/
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void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
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static void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
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{
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{
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struct sock *sk = areq->sk;
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struct sock *sk = areq->sk;
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struct alg_sock *ask = alg_sk(sk);
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struct alg_sock *ask = alg_sk(sk);
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@ -683,7 +681,6 @@ void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
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sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl));
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sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl));
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}
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}
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls);
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/**
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/**
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* af_alg_wait_for_wmem - wait for availability of writable memory
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* af_alg_wait_for_wmem - wait for availability of writable memory
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@ -692,7 +689,7 @@ EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls);
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* @flags If MSG_DONTWAIT is set, then only report if function would sleep
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* @flags If MSG_DONTWAIT is set, then only report if function would sleep
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* @return 0 when writable memory is available, < 0 upon error
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* @return 0 when writable memory is available, < 0 upon error
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*/
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*/
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int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
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static int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
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{
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{
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DEFINE_WAIT_FUNC(wait, woken_wake_function);
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DEFINE_WAIT_FUNC(wait, woken_wake_function);
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int err = -ERESTARTSYS;
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int err = -ERESTARTSYS;
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@ -717,7 +714,6 @@ int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
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return err;
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return err;
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_wait_for_wmem);
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/**
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/**
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* af_alg_wmem_wakeup - wakeup caller when writable memory is available
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* af_alg_wmem_wakeup - wakeup caller when writable memory is available
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@ -786,8 +782,7 @@ EXPORT_SYMBOL_GPL(af_alg_wait_for_data);
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*
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*
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* @sk socket of connection to user space
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* @sk socket of connection to user space
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*/
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*/
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static void af_alg_data_wakeup(struct sock *sk)
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void af_alg_data_wakeup(struct sock *sk)
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{
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{
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struct alg_sock *ask = alg_sk(sk);
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struct alg_sock *ask = alg_sk(sk);
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struct af_alg_ctx *ctx = ask->private;
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struct af_alg_ctx *ctx = ask->private;
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@ -805,7 +800,6 @@ void af_alg_data_wakeup(struct sock *sk)
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sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
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sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
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rcu_read_unlock();
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rcu_read_unlock();
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}
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}
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EXPORT_SYMBOL_GPL(af_alg_data_wakeup);
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/**
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/**
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* af_alg_sendmsg - implementation of sendmsg system call handler
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* af_alg_sendmsg - implementation of sendmsg system call handler
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@ -169,9 +169,6 @@ int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern);
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int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len);
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int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len);
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void af_alg_free_sg(struct af_alg_sgl *sgl);
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void af_alg_free_sg(struct af_alg_sgl *sgl);
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void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new);
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int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);
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static inline struct alg_sock *alg_sk(struct sock *sk)
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static inline struct alg_sock *alg_sk(struct sock *sk)
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{
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{
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@ -230,15 +227,11 @@ static inline bool af_alg_readable(struct sock *sk)
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return PAGE_SIZE <= af_alg_rcvbuf(sk);
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return PAGE_SIZE <= af_alg_rcvbuf(sk);
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}
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}
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int af_alg_alloc_tsgl(struct sock *sk);
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unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset);
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unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset);
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void af_alg_pull_tsgl(struct sock *sk, size_t used, struct scatterlist *dst,
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void af_alg_pull_tsgl(struct sock *sk, size_t used, struct scatterlist *dst,
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size_t dst_offset);
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size_t dst_offset);
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void af_alg_free_areq_sgls(struct af_alg_async_req *areq);
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int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags);
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void af_alg_wmem_wakeup(struct sock *sk);
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void af_alg_wmem_wakeup(struct sock *sk);
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int af_alg_wait_for_data(struct sock *sk, unsigned flags);
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int af_alg_wait_for_data(struct sock *sk, unsigned flags);
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void af_alg_data_wakeup(struct sock *sk);
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int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size,
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int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size,
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unsigned int ivsize);
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unsigned int ivsize);
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ssize_t af_alg_sendpage(struct socket *sock, struct page *page,
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ssize_t af_alg_sendpage(struct socket *sock, struct page *page,
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