+void
+smb3_free_compound_rqst(int num_rqst, struct smb_rqst *rqst)
+{
+ int i, j;
+
+ for (i = 0; i < num_rqst; i++) {
+ if (rqst[i].rq_pages) {
+ for (j = rqst[i].rq_npages - 1; j >= 0; j--)
+ put_page(rqst[i].rq_pages[j]);
+ kfree(rqst[i].rq_pages);
+ }
+ }
+}
+
+/*
+ * This function will initialize new_rq and encrypt the content.
+ * The first entry, new_rq[0], only contains a single iov which contains
+ * a smb2_transform_hdr and is pre-allocated by the caller.
+ * This function then populates new_rq[1+] with the content from olq_rq[0+].
+ *
+ * The end result is an array of smb_rqst structures where the first structure
+ * only contains a single iov for the transform header which we then can pass
+ * to crypt_message().
+ *
+ * new_rq[0].rq_iov[0] : smb2_transform_hdr pre-allocated by the caller
+ * new_rq[1+].rq_iov[*] == old_rq[0+].rq_iov[*] : SMB2/3 requests
+ */