diff options
Diffstat (limited to 'xlators/features/metadisp/src/metadisp.h')
| -rw-r--r-- | xlators/features/metadisp/src/metadisp.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/xlators/features/metadisp/src/metadisp.h b/xlators/features/metadisp/src/metadisp.h new file mode 100644 index 00000000000..c8fd7a13c04 --- /dev/null +++ b/xlators/features/metadisp/src/metadisp.h @@ -0,0 +1,45 @@ +/* + 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__ */ |