meta: export process state dump

Various parts of process state dump are exposed
through most appropriate virual files/dirs

Change-Id: Iff30f8ea76552f2f6d9c98def688c5ec4bc6f2af
BUG: 1089216
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/7542
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Harshavardhana <harsha@harshavardhana.net>

21 files changed, 0 insertions, 1353 deletions

diff --git a/xlators/meta/src/plugins/active-link.c b/xlators/meta/src/plugins/active-link.c
deleted file mode 100644
index 99d38597bdf..00000000000
--- a/xlators/meta/src/plugins/active-link.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-
-
-static int
-active_link_fill (xlator_t *this, inode_t *inode, strfd_t *strfd)
-{
-	strprintf (strfd, "%s", this->ctx->active->graph_uuid);
-
-	return 0;
-}
-
-
-struct meta_ops active_link_ops = {
-	.link_fill = active_link_fill
-};
-
-
-int
-meta_active_link_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		       dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &active_link_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/cmdline-file.c b/xlators/meta/src/plugins/cmdline-file.c
deleted file mode 100644
index 1eded6d19b8..00000000000
--- a/xlators/meta/src/plugins/cmdline-file.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-#include "globals.h"
-#include "lkowner.h"
-
-
-static int
-cmdline_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	if (this->ctx->cmdlinestr)
-		strprintf (strfd, "%s\n", this->ctx->cmdlinestr);
-	return strfd->size;
-}
-
-
-static struct meta_ops cmdline_file_ops = {
-	.file_fill = cmdline_file_fill,
-};
-
-
-int
-meta_cmdline_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &cmdline_file_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/frames-file.c b/xlators/meta/src/plugins/frames-file.c
deleted file mode 100644
index 0c3b9a2eb71..00000000000
--- a/xlators/meta/src/plugins/frames-file.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-#include "globals.h"
-#include "lkowner.h"
-
-
-static int
-frames_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	struct call_pool *pool = NULL;
-	call_stack_t *stack = NULL;
-	call_frame_t *frame = NULL;
-	int i = 0;
-	int j = 0;
-
-	pool = this->ctx->pool;
-
-	LOCK (&pool->lock);
-	{
-		strprintf (strfd, "Call_Count: %d\n", (int)pool->cnt);
-
-		list_for_each_entry (stack, &pool->all_frames, all_frames) {
-			strprintf (strfd, "== Stack %d ==\n", i++);
-			strprintf (strfd, "Unique: %"PRId64"\n", stack->unique);
-			strprintf (strfd, "Type: %s\n", gf_fop_list[stack->op]);
-			strprintf (strfd, "UID: %d\n", stack->uid);
-			strprintf (strfd, "GID: %d\n", stack->gid);
-			strprintf (strfd, "LK_owner: %s\n",
-				   lkowner_utoa (&stack->lk_owner));
-
-			j = 0;
-			for (frame = &stack->frames; frame; frame = frame->next) {
-				strprintf (strfd, "\t-- Frame %d --\n", j++);
-				strprintf (strfd, "\tXlator: %s\n", frame->this->name);
-				if (frame->begin.tv_sec)
-					strprintf (strfd, "\tCreation_time: %d.%d\n",
-						   (int)frame->begin.tv_sec,
-						   (int)frame->begin.tv_usec);
-				strprintf (strfd, "\tRefcount: %d\n", frame->ref_count);
-				strprintf (strfd, "\tComplete: %d\n", frame->complete);
-				if (frame->parent)
-					strprintf (strfd, "\tParent: %s\n",
-						   frame->parent->this->name);
-				if (frame->wind_from)
-					strprintf (strfd, "\tWind_from: %s\n",
-						   frame->wind_from);
-				if (frame->wind_to)
-					strprintf (strfd, "\tWind_to: %s\n",
-						   frame->wind_to);
-				if (frame->unwind_from)
-					strprintf (strfd, "\tUnwind_from: %s\n",
-						   frame->unwind_from);
-				if (frame->unwind_to)
-					strprintf (strfd, "\tUnwind_to: %s\n",
-						   frame->unwind_to);
-			}
-		}
-	}
-	UNLOCK (&pool->lock);
-
-	return strfd->size;
-}
-
-
-static struct meta_ops frames_file_ops = {
-	.file_fill = frames_file_fill,
-};
-
-
-int
-meta_frames_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		       dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &frames_file_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/graph-dir.c b/xlators/meta/src/plugins/graph-dir.c
deleted file mode 100644
index 3cd6b482e74..00000000000
--- a/xlators/meta/src/plugins/graph-dir.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static struct meta_dirent graph_dir_dirents[] = {
-	DOT_DOTDOT,
-
-	{ .name = "top",
-	  .type = IA_IFLNK,
-	  .hook = meta_top_link_hook,
-	},
-	{ .name = "volfile",
-	  .type = IA_IFREG,
-	  .hook = meta_volfile_file_hook,
-	},
-	{ .name = NULL }
-};
-
-
-static int
-graph_dir_fill (xlator_t *this, inode_t *inode, struct meta_dirent **dp)
-{
-	struct meta_dirent *dirents = NULL;
-	glusterfs_graph_t *graph = NULL;
-	int i = 0;
-	int count = 0;
-	xlator_t *xl = NULL;
-
-	graph = meta_ctx_get (inode, this);
-
-	for (xl = graph->first; xl; xl = xl->next)
-		count++;
-
-	dirents = GF_CALLOC (sizeof (*dirents), count, gf_meta_mt_dirents_t);
-	if (!dirents)
-		return -1;
-
-	i = 0;
-	for (xl = graph->first; xl; xl = xl->next) {
-		dirents[i].name = gf_strdup (xl->name);
-		dirents[i].type = IA_IFDIR;
-		dirents[i].hook = meta_xlator_dir_hook;
-		i++;
-	}
-
-	*dp = dirents;
-	return i;
-}
-
-
-struct meta_ops graph_dir_ops = {
-	.fixed_dirents = graph_dir_dirents,
-	.dir_fill = graph_dir_fill,
-};
-
-
-static glusterfs_graph_t *
-glusterfs_graph_lookup (xlator_t *this, const char *graph_uuid)
-{
-	glusterfs_graph_t *graph = NULL;
-	glusterfs_graph_t *tmp = NULL;
-
-	list_for_each_entry (tmp, &this->ctx->graphs, list) {
-		if (strcmp (graph_uuid, tmp->graph_uuid) == 0) {
-			graph = tmp;
-			break;
-		}
-	}
-
-	return graph;
-}
-
-
-int
-meta_graph_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		     dict_t *xdata)
-{
-	glusterfs_graph_t *graph = NULL;
-
-	graph = glusterfs_graph_lookup (this, loc->name);
-
-	meta_ops_set (loc->inode, this, &graph_dir_ops);
-
-	meta_ctx_set (loc->inode, this, (void *) graph);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/graphs-dir.c b/xlators/meta/src/plugins/graphs-dir.c
deleted file mode 100644
index 4a538fb6176..00000000000
--- a/xlators/meta/src/plugins/graphs-dir.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static struct meta_dirent graphs_dir_dirents[] = {
-	DOT_DOTDOT,
-
-	{ .name = "active",
-	  .type = IA_IFLNK,
-	  .hook = meta_active_link_hook,
-	},
-	{ .name = NULL }
-};
-
-
-static int
-graphs_dir_fill (xlator_t *this, inode_t *dir, struct meta_dirent **dp)
-{
-	glusterfs_graph_t *graph = NULL;
-	int graphs_count = 0;
-	int i = 0;
-	struct meta_dirent *dirents = NULL;
-
-	list_for_each_entry (graph, &this->ctx->graphs, list) {
-		graphs_count++;
-	}
-
-	dirents = GF_CALLOC (sizeof (*dirents), graphs_count + 3,
-			     gf_meta_mt_dirents_t);
-	if (!dirents)
-		return -1;
-
-	i = 0;
-	list_for_each_entry (graph, &this->ctx->graphs, list) {
-		dirents[i].name = gf_strdup (graph->graph_uuid);
-		dirents[i].type = IA_IFDIR;
-		dirents[i].hook = meta_graph_dir_hook;
-		i++;
-	}
-
-	*dp = dirents;
-
-	return i;
-}
-
-
-struct meta_ops graphs_dir_ops = {
-	.fixed_dirents = graphs_dir_dirents,
-	.dir_fill = graphs_dir_fill
-};
-
-
-int
-meta_graphs_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		      dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &graphs_dir_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/logfile-link.c b/xlators/meta/src/plugins/logfile-link.c
deleted file mode 100644
index 435cab80c33..00000000000
--- a/xlators/meta/src/plugins/logfile-link.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-
-
-static int
-logfile_link_fill (xlator_t *this, inode_t *inode, strfd_t *strfd)
-{
-	strprintf (strfd, "%s", this->ctx->log.filename);
-
-	return 0;
-}
-
-
-struct meta_ops logfile_link_ops = {
-	.link_fill = logfile_link_fill
-};
-
-
-int
-meta_logfile_link_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &logfile_link_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/logging-dir.c b/xlators/meta/src/plugins/logging-dir.c
deleted file mode 100644
index 783d38e8e12..00000000000
--- a/xlators/meta/src/plugins/logging-dir.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static struct meta_dirent logging_dir_dirents[] = {
-	DOT_DOTDOT,
-
-	{ .name = "logfile",
-	  .type = IA_IFLNK,
-	  .hook = meta_logfile_link_hook,
-	},
-	{ .name = "loglevel",
-	  .type = IA_IFREG,
-	  .hook = meta_loglevel_file_hook,
-	},
-	{ .name = NULL }
-};
-
-
-struct meta_ops logging_dir_ops = {
-	.fixed_dirents = logging_dir_dirents,
-};
-
-
-int
-meta_logging_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		     dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &logging_dir_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/loglevel-file.c b/xlators/meta/src/plugins/loglevel-file.c
deleted file mode 100644
index 24ac68ddc69..00000000000
--- a/xlators/meta/src/plugins/loglevel-file.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-
-
-static int
-loglevel_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	strprintf (strfd, "%d\n", this->ctx->log.loglevel);
-
-	return strfd->size;
-}
-
-
-static int
-loglevel_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
-		 struct iovec *iov, int count, off_t offset,
-		 uint32_t flags, struct iobref *iobref, dict_t *xdata)
-{
-	struct iatt dummy = { };
-	long int level = -1;
-
-	level = strtol (iov[0].iov_base, NULL, 0);
-	if (level >= GF_LOG_NONE && level <= GF_LOG_TRACE)
-		gf_log_set_loglevel (level);
-
-	META_STACK_UNWIND (writev, frame, iov_length (iov, count), 0,
-			   &dummy, &dummy, xdata);
-	return 0;
-}
-
-
-int
-loglevel_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		   off_t offset, dict_t *xdata)
-{
-	struct iatt iatt = { };
-
-	meta_iatt_fill (&iatt, loc->inode, IA_IFREG);
-
-	META_STACK_UNWIND (truncate, frame, 0, 0, &iatt, &iatt, xdata);
-	return 0;
-}
-
-
-int
-loglevel_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd,
-		   off_t offset, dict_t *xdata)
-{
-	struct iatt iatt = { };
-
-	meta_iatt_fill (&iatt, fd->inode, IA_IFREG);
-
-	META_STACK_UNWIND (ftruncate, frame, 0, 0, &iatt, &iatt, xdata);
-	return 0;
-}
-
-static struct meta_ops loglevel_file_ops = {
-	.file_fill = loglevel_file_fill,
-	.fops = {
-		.truncate = loglevel_truncate,
-		.ftruncate = loglevel_ftruncate,
-		.writev = loglevel_writev
-	}
-};
-
-
-int
-meta_loglevel_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			 dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &loglevel_file_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/name-file.c b/xlators/meta/src/plugins/name-file.c
deleted file mode 100644
index 8ddd42945d7..00000000000
--- a/xlators/meta/src/plugins/name-file.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-#include "globals.h"
-#include "lkowner.h"
-
-
-static int
-name_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	xlator_t *xl = NULL;
-
-	xl = meta_ctx_get (file, this);
-
-	strprintf (strfd, "%s\n", xl->name);
-
-	return strfd->size;
-}
-
-
-static struct meta_ops name_file_ops = {
-	.file_fill = name_file_fill,
-};
-
-
-int
-meta_name_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		     dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &name_file_ops);
-
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/option-file.c b/xlators/meta/src/plugins/option-file.c
deleted file mode 100644
index 4f9067e1490..00000000000
--- a/xlators/meta/src/plugins/option-file.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static int
-option_file_fill (xlator_t *this, inode_t *inode, strfd_t *strfd)
-{
-	data_t *data = NULL;
-
-	data = meta_ctx_get (inode, this);
-
-	strprintf (strfd, "%s\n", data_to_str (data));
-
-	return strfd->size;
-}
-
-
-static struct meta_ops option_file_ops = {
-	.file_fill = option_file_fill
-};
-
-
-int
-meta_option_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		       dict_t *xdata)
-{
-	xlator_t *xl = NULL;
-
-	xl = meta_ctx_get (loc->parent, this);
-
-	meta_ctx_set (loc->inode, this,
-		      dict_get (xl->options, (char *) loc->name));
-
-	meta_ops_set (loc->inode, this, &option_file_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/options-dir.c b/xlators/meta/src/plugins/options-dir.c
deleted file mode 100644
index 229d365a9c7..00000000000
--- a/xlators/meta/src/plugins/options-dir.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static int
-dict_key_add (dict_t *dict, char *key, data_t *value, void *data)
-{
-	struct meta_dirent **direntp = data;
-
-	(*direntp)->name = gf_strdup (key);
-	(*direntp)->type = IA_IFREG;
-	(*direntp)->hook = meta_option_file_hook;
-
-	(*direntp)++;
-	return 0;
-}
-
-
-static int
-options_dir_fill (xlator_t *this, inode_t *inode, struct meta_dirent **dp)
-{
-	struct meta_dirent *dirent = NULL;
-	struct meta_dirent *direntp = NULL;
-	xlator_t *xl = NULL;
-
-	xl = meta_ctx_get (inode, this);
-
-	dirent = GF_CALLOC (sizeof (*dirent), xl->options->count,
-			    gf_meta_mt_dirents_t);
-	if (!dirent)
-		return -1;
-
-	direntp = dirent;
-
-	dict_foreach (xl->options, dict_key_add, &direntp);
-
-	*dp = dirent;
-
-	return xl->options->count;
-}
-
-
-static struct meta_ops options_dir_ops = {
-	.dir_fill = options_dir_fill
-};
-
-
-int
-meta_options_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		       dict_t *xdata)
-{
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	meta_ops_set (loc->inode, this, &options_dir_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/process_uuid-file.c b/xlators/meta/src/plugins/process_uuid-file.c
deleted file mode 100644
index c16ceaac150..00000000000
--- a/xlators/meta/src/plugins/process_uuid-file.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-#include "globals.h"
-#include "lkowner.h"
-
-
-static int
-process_uuid_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	strprintf (strfd, "%s\n", this->ctx->process_uuid);
-	return strfd->size;
-}
-
-
-static struct meta_ops process_uuid_file_ops = {
-	.file_fill = process_uuid_file_fill,
-};
-
-
-int
-meta_process_uuid_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			     dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &process_uuid_file_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/root-dir.c b/xlators/meta/src/plugins/root-dir.c
deleted file mode 100644
index bd6870b21d7..00000000000
--- a/xlators/meta/src/plugins/root-dir.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static struct meta_dirent root_dir_dirents[] = {
-	DOT_DOTDOT,
-
-	{ .name = "graphs",
-	  .type = IA_IFDIR,
-	  .hook = meta_graphs_dir_hook,
-	},
-	{ .name = "frames",
-	  .type = IA_IFREG,
-	  .hook = meta_frames_file_hook,
-	},
-	{ .name = "logging",
-	  .type = IA_IFDIR,
-	  .hook = meta_logging_dir_hook,
-	},
-	{ .name = "process_uuid",
-	  .type = IA_IFREG,
-	  .hook = meta_process_uuid_file_hook,
-	},
-	{ .name = "version",
-	  .type = IA_IFREG,
-	  .hook = meta_version_file_hook,
-	},
-	{ .name = "cmdline",
-	  .type = IA_IFREG,
-	  .hook = meta_cmdline_file_hook,
-	},
-	{ .name = NULL }
-};
-
-
-static struct meta_ops meta_root_dir_ops = {
-	.fixed_dirents = root_dir_dirents
-};
-
-
-int
-meta_root_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		    dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &meta_root_dir_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/subvolume-link.c b/xlators/meta/src/plugins/subvolume-link.c
deleted file mode 100644
index ca71a751541..00000000000
--- a/xlators/meta/src/plugins/subvolume-link.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-
-
-static int
-subvolume_link_fill (xlator_t *this, inode_t *inode, strfd_t *strfd)
-{
-	xlator_t *xl = NULL;
-
-	xl = meta_ctx_get (inode, this);
-
-	strprintf (strfd, "../../%s", xl->name);
-
-	return 0;
-}
-
-
-struct meta_ops subvolume_link_ops = {
-	.link_fill = subvolume_link_fill
-};
-
-
-int
-meta_subvolume_link_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			  dict_t *xdata)
-{
-	int count = 0;
-	int i = 0;
-	xlator_t *xl = NULL;
-	xlator_list_t *subv = NULL;
-	xlator_t *subvol = NULL;
-
-	count = strtol (loc->name, 0, 0);
-	xl = meta_ctx_get (loc->parent, this);
-
-	for (subv = xl->children; subv; subv = subv->next) {
-		if (i == count) {
-			subvol = subv->xlator;
-			break;
-		}
-		i++;
-	}
-
-	meta_ctx_set (loc->inode, this, subvol);
-
-	meta_ops_set (loc->inode, this, &subvolume_link_ops);
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/subvolumes-dir.c b/xlators/meta/src/plugins/subvolumes-dir.c
deleted file mode 100644
index f8d0e8039a1..00000000000
--- a/xlators/meta/src/plugins/subvolumes-dir.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static int
-subvolumes_dir_fill (xlator_t *this, inode_t *dir, struct meta_dirent **dp)
-{
-	struct meta_dirent *dirents = NULL;
-	xlator_t *xl = NULL;
-	xlator_list_t *subv = NULL;
-	int i = 0;
-	int count = 0;
-
-	xl = meta_ctx_get (dir, this);
-
-	for (subv = xl->children; subv; subv = subv->next)
-		count++;
-
-	dirents = GF_CALLOC (sizeof (*dirents), count, gf_meta_mt_dirents_t);
-	if (!dirents)
-		return -1;
-
-	for (subv = xl->children; subv; subv = subv->next) {
-		char num[16] = { };
-		snprintf (num, 16, "%d", i);
-
-		dirents[i].name = gf_strdup (num);
-		dirents[i].type = IA_IFLNK;
-		dirents[i].hook = meta_subvolume_link_hook;
-		i++;
-	}
-
-	*dp = dirents;
-
-	return count;
-}
-
-
-static struct meta_ops subvolumes_dir_ops = {
-	.dir_fill = subvolumes_dir_fill
-};
-
-
-int
-meta_subvolumes_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			  dict_t *xdata)
-{
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	meta_ops_set (loc->inode, this, &subvolumes_dir_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/top-link.c b/xlators/meta/src/plugins/top-link.c
deleted file mode 100644
index 94b7f7a9f56..00000000000
--- a/xlators/meta/src/plugins/top-link.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-
-
-static int
-top_link_fill (xlator_t *this, inode_t *inode, strfd_t *strfd)
-{
-	glusterfs_graph_t *graph = NULL;
-
-	graph = meta_ctx_get (inode, this);
-
-	strprintf (strfd, "%s", ((xlator_t *)graph->top)->name);
-
-	return 0;
-}
-
-
-struct meta_ops top_link_ops = {
-	.link_fill = top_link_fill
-};
-
-
-int
-meta_top_link_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		    dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &top_link_ops);
-
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/type-file.c b/xlators/meta/src/plugins/type-file.c
deleted file mode 100644
index 1970f4e33e8..00000000000
--- a/xlators/meta/src/plugins/type-file.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-#include "globals.h"
-#include "lkowner.h"
-
-
-static int
-type_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	xlator_t *xl = NULL;
-
-	xl = meta_ctx_get (file, this);
-
-	strprintf (strfd, "%s\n", xl->type);
-
-	return strfd->size;
-}
-
-
-static struct meta_ops type_file_ops = {
-	.file_fill = type_file_fill,
-};
-
-
-int
-meta_type_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		     dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &type_file_ops);
-
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/version-file.c b/xlators/meta/src/plugins/version-file.c
deleted file mode 100644
index 77f2dea3d66..00000000000
--- a/xlators/meta/src/plugins/version-file.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-#include "globals.h"
-#include "lkowner.h"
-
-
-static int
-version_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	strprintf (strfd, "%s\n", PACKAGE_VERSION);
-	return strfd->size;
-}
-
-
-static struct meta_ops version_file_ops = {
-	.file_fill = version_file_fill,
-};
-
-
-int
-meta_version_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &version_file_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/view-dir.c b/xlators/meta/src/plugins/view-dir.c
deleted file mode 100644
index 6edd455b072..00000000000
--- a/xlators/meta/src/plugins/view-dir.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static struct meta_dirent view_dir_dirents[] = {
-	DOT_DOTDOT,
-
-	{ .name = NULL }
-};
-
-
-static struct meta_ops view_dir_ops = {
-	.fixed_dirents = view_dir_dirents
-};
-
-
-int
-meta_view_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		    dict_t *xdata)
-{
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	meta_ops_set (loc->inode, this, &view_dir_ops);
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/volfile-file.c b/xlators/meta/src/plugins/volfile-file.c
deleted file mode 100644
index 899285763e0..00000000000
--- a/xlators/meta/src/plugins/volfile-file.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "strfd.h"
-
-
-
-static int
-xldump_options (dict_t *this, char *key, data_t *value,	void *strfd)
-{
-	strprintf (strfd, "    option %s %s\n", key, value->data);
-	return 0;
-}
-
-
-static void
-xldump_subvolumes (xlator_t *this, void *strfd)
-{
-	xlator_list_t *subv = NULL;
-
-	if (!this->children)
-		return;
-
-	strprintf (strfd, "    subvolumes");
-
-	for (subv = this->children; subv; subv= subv->next)
-		strprintf (strfd, " %s", subv->xlator->name);
-
-	strprintf (strfd, "\n");
-}
-
-
-static void
-xldump (xlator_t *each, void *strfd)
-{
-	strprintf (strfd, "volume %s\n", each->name);
-	strprintf (strfd, "    type %s\n", each->type);
-	dict_foreach (each->options, xldump_options, strfd);
-
-	xldump_subvolumes (each, strfd);
-
-	strprintf (strfd, "end-volume\n");
-	strprintf (strfd, "\n");
-}
-
-
-static int
-volfile_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
-{
-	glusterfs_graph_t *graph = NULL;
-
-	graph = meta_ctx_get (file, this);
-
-	xlator_foreach_depth_first (graph->top, xldump, strfd);
-
-	return strfd->size;
-}
-
-
-static struct meta_ops volfile_file_ops = {
-	.file_fill = volfile_file_fill,
-};
-
-
-int
-meta_volfile_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-			dict_t *xdata)
-{
-	meta_ops_set (loc->inode, this, &volfile_file_ops);
-
-	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
-
-	return 0;
-}
diff --git a/xlators/meta/src/plugins/xlator-dir.c b/xlators/meta/src/plugins/xlator-dir.c
deleted file mode 100644
index 279df385cef..00000000000
--- a/xlators/meta/src/plugins/xlator-dir.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
-   Copyright (c) 2014 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 _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "defaults.h"
-
-#include "meta-mem-types.h"
-#include "meta.h"
-#include "meta-hooks.h"
-
-
-static struct meta_dirent xlator_dir_dirents[] = {
-	DOT_DOTDOT,
-
-	{ .name = "view",
-	  .type = IA_IFDIR,
-	  .hook = meta_view_dir_hook,
-	},
-	{ .name = "type",
-	  .type = IA_IFREG,
-	  .hook = meta_type_file_hook,
-	},
-	{ .name = "name",
-	  .type = IA_IFREG,
-	  .hook = meta_name_file_hook,
-	},
-	{ .name = "subvolumes",
-	  .type = IA_IFDIR,
-	  .hook = meta_subvolumes_dir_hook,
-	},
-	{ .name = "options",
-	  .type = IA_IFDIR,
-	  .hook = meta_options_dir_hook,
-	},
-	{ .name = NULL }
-};
-
-
-static struct meta_ops xlator_dir_ops = {
-	.fixed_dirents = xlator_dir_dirents
-};
-
-
-int
-meta_xlator_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
-		      dict_t *xdata)
-{
-	glusterfs_graph_t *graph = NULL;
-	xlator_t *xl = NULL;
-
-	graph = meta_ctx_get (loc->parent, this);
-
-	xl = xlator_search_by_name (graph->first, loc->name);
-
-	meta_ctx_set (loc->inode, this, xl);
-
-	meta_ops_set (loc->inode, this, &xlator_dir_ops);
-
-	return 0;
-}