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-rw-r--r--xlators/features/metadisp/src/metadisp.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/xlators/features/metadisp/src/metadisp.h b/xlators/features/metadisp/src/metadisp.h
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+++ b/xlators/features/metadisp/src/metadisp.h
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+/*
+ Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
+ 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 GF_METADISP_H_
+#define GF_METADISP_H_
+
+#include <glusterfs/glusterfs.h>
+#include <glusterfs/logging.h>
+#include <glusterfs/dict.h>
+#include <glusterfs/xlator.h>
+#include <glusterfs/defaults.h>
+
+#define METADATA_CHILD(_this) FIRST_CHILD(_this)
+#define DATA_CHILD(_this) SECOND_CHILD(_this)
+
+int32_t
+build_backend_loc(uuid_t gfid, loc_t *src_loc, loc_t *dst_loc);
+
+#define METADISP_TRACE(_args...) gf_log("metadisp", GF_LOG_INFO, _args)
+
+#define METADISP_FILTER_ROOT(_op, _args...) \
+ if (strcmp(loc->path, "/") == 0) { \
+ STACK_WIND(frame, default_##_op##_cbk, METADATA_CHILD(this), \
+ METADATA_CHILD(this)->fops->_op, _args); \
+ return 0; \
+ }
+
+#define METADISP_FILTER_ROOT_BY_GFID(_op, _gfid, _args...) \
+ if (__is_root_gfid(_gfid)) { \
+ STACK_WIND(frame, default_##_op##_cbk, METADATA_CHILD(this), \
+ METADATA_CHILD(this)->fops->_op, _args); \
+ return 0; \
+ }
+
+#define RESOLVE_GFID_REQ(_dict, _dest, _lbl) \
+ VALIDATE_OR_GOTO(dict_get_ptr(_dict, "gfid-req", (void **)&_dest) == 0, \
+ _lbl)
+
+#endif /* __TEMPLATE_H__ */