include/rados/librados.h: fix documented rados_cluster_fsid return value

Signed-off-by: Lukas Stockner <lukas.stockner@stelia.ai>

diff --git a/src/include/rados/librados.h b/src/include/rados/librados.h
index 35211186e2504bd3b3a0ace4169caf76de1aed23..d788e64e2a5278b97a5b3bbc7f57a625df148adb 100644 (file)
--- a/src/include/rados/librados.h
+++ b/src/include/rados/librados.h
@@ -658,7 +658,7 @@ CEPH_RADOS_API int rados_cluster_stat(rados_t cluster,
  * @param cluster where to get the fsid
  * @param buf where to write the fsid
  * @param len the size of buf in bytes (should be 37)
- * @returns 0 on success, negative error code on failure
+ * @returns length of the string on success, negative error code on failure
  * @returns -ERANGE if the buffer is too short to contain the
  * fsid
  */