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-rw-r--r--include/rdma/ib_umem.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 2ad52cc1d52b..49172098a8de 100644
--- a/include/rdma/ib_umem.h
+++ b/include/rdma/ib_umem.h
@@ -156,6 +156,8 @@ void ib_umem_dmabuf_revoke_lock(struct ib_umem_dmabuf *umem_dmabuf);
void ib_umem_dmabuf_revoke_unlock(struct ib_umem_dmabuf *umem_dmabuf);
void ib_umem_dmabuf_revoke(struct ib_umem_dmabuf *umem_dmabuf);
+int ib_umem_check_rereg(struct ib_umem *umem, int flags, int new_access_flags);
+
#else /* CONFIG_INFINIBAND_USER_MEM */
#include <linux/err.h>
@@ -230,5 +232,11 @@ static inline void ib_umem_dmabuf_revoke_lock(struct ib_umem_dmabuf *umem_dmabuf
static inline void ib_umem_dmabuf_revoke_unlock(struct ib_umem_dmabuf *umem_dmabuf) {}
static inline void ib_umem_dmabuf_revoke(struct ib_umem_dmabuf *umem_dmabuf) {}
+static inline int ib_umem_check_rereg(struct ib_umem *umem, int flags,
+ int new_access_flags)
+{
+ return -EOPNOTSUPP;
+}
+
#endif /* CONFIG_INFINIBAND_USER_MEM */
#endif /* IB_UMEM_H */