From 31f58221811cf901f02059a4751b20483d26d79d Mon Sep 17 00:00:00 2001 From: Krishnan Parthasarathi Date: Fri, 1 Mar 2013 16:18:26 +0530 Subject: template: A minimal example xlator to build on This xlator is intended to save new GlusterFS developers from fighting it with autotools. How to add template xl onto the xlator graph? [..] volname-template type testing/features/template subvolumes volname-dht end-volume [..] Change-Id: If513284bb590be7c3b093054108dba2883064190 BUG: 916985 Signed-off-by: Krishnan Parthasarathi Reviewed-on: http://review.gluster.org/4604 Tested-by: Gluster Build System Reviewed-by: Vijay Bellur --- xlators/playground/template/src/template.c | 49 ++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 xlators/playground/template/src/template.c (limited to 'xlators/playground/template/src/template.c') diff --git a/xlators/playground/template/src/template.c b/xlators/playground/template/src/template.c new file mode 100644 index 00000000000..37a7794a07e --- /dev/null +++ b/xlators/playground/template/src/template.c @@ -0,0 +1,49 @@ +/* + Copyright (c) 2006-2012 Red Hat, Inc. + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "template.h" + +int32_t +init (xlator_t *this) +{ + + if (!this->children || this->children->next) { + gf_log (this->name, GF_LOG_ERROR, + "not configured with exactly one child. exiting"); + return -1; + } + + if (!this->parents) { + gf_log (this->name, GF_LOG_WARNING, + "dangling volume. check volfile "); + } + + return 0; +} + +void +fini (xlator_t *this) +{ + return; +} + +struct xlator_fops fops = { +}; + +struct xlator_cbks cbks = { +}; + +struct volume_options options[] = { + { .key = {NULL} }, +}; -- cgit