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-rw-r--r--libglusterfs/src/iobuf.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/libglusterfs/src/iobuf.c b/libglusterfs/src/iobuf.c
index d4f0d89c338..c59b079b90a 100644
--- a/libglusterfs/src/iobuf.c
+++ b/libglusterfs/src/iobuf.c
@@ -1217,3 +1217,46 @@ iobuf_to_iovec(struct iobuf *iob, struct iovec *iov)
out:
return;
}
+
+int
+iobuf_copy (struct iobuf_pool *iobuf_pool, const struct iovec *iovec_src,
+ int iovcnt, struct iobref **iobref, struct iobuf **iobuf,
+ struct iovec *iov_dst)
+{
+ size_t size = -1;
+ int ret = 0;
+
+ size = iov_length (iovec_src, iovcnt);
+
+ *iobuf = iobuf_get2 (iobuf_pool, size);
+ if (!(*iobuf)) {
+ ret = -1;
+ errno = ENOMEM;
+ goto out;
+ }
+
+ *iobref = iobref_new ();
+ if (!(*iobref)) {
+ iobuf_unref (*iobuf);
+ errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ ret = iobref_add (*iobref, *iobuf);
+ if (ret) {
+ iobuf_unref (*iobuf);
+ iobref_unref (*iobref);
+ errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ iov_unload (iobuf_ptr (*iobuf), iovec_src, iovcnt);
+
+ iov_dst->iov_base = iobuf_ptr (*iobuf);
+ iov_dst->iov_len = size;
+
+out:
+ return ret;
+}