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Commit acbf9cea authored by John L. Hammond's avatar John L. Hammond Committed by Greg Kroah-Hartman
Browse files

staging/lustre/obdclass: remove mea.c



The functions exported by lustre/obdclass/mea.c are not used so remove
them.

Signed-off-by: default avatarJohn L. Hammond <john.hammond@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 05eac42b
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+0 −4
Original line number Diff line number Diff line
@@ -2182,10 +2182,6 @@ int class_check_uuid(struct obd_uuid *uuid, __u64 nid);
void class_init_uuidlist(void);
void class_exit_uuidlist(void);

/* mea.c */
int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
int raw_name2idx(int hashtype, int count, const char *name, int namelen);

/* class_obd.c */
extern char obd_jobid_node[];

+1 −1
Original line number Diff line number Diff line
@@ -5,5 +5,5 @@ obdclass-y := linux/linux-module.o linux/linux-obdo.o linux/linux-sysctl.o \
	      genops.o uuid.o llog_ioctl.o lprocfs_status.o		   \
	      lustre_handles.o lustre_peer.o llog_osd.o \
	      local_storage.o statfs_pack.o obdo.o obd_config.o obd_mount.o\
	      mea.o lu_object.o dt_object.o capa.o cl_object.o   \
	      lu_object.o dt_object.o capa.o cl_object.o   \
	      cl_page.o cl_lock.o cl_io.o lu_ref.o acl.o
+0 −112
Original line number Diff line number Diff line
/*
 * GPL HEADER START
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License version 2 for more details (a copy is included
 * in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this program; If not, see
 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 * GPL HEADER END
 */
/*
 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
 * Use is subject to license terms.
 */
/*
 * This file is part of Lustre, http://www.lustre.org/
 * Lustre is a trademark of Sun Microsystems, Inc.
 */

#define DEBUG_SUBSYSTEM S_CLASS
#include "../include/obd_class.h"
#include <linux/kmod.h>   /* for request_module() */
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include "../include/lprocfs_status.h"
#include "../include/lustre/lustre_idl.h"

static int mea_last_char_hash(int count, char *name, int namelen)
{
	unsigned int c;

	c = name[namelen - 1];
	if (c == 0)
		CWARN("looks like wrong len is passed\n");
	c = c % count;
	return c;
}

static int mea_all_chars_hash(int count, char *name, int namelen)
{
	unsigned int c = 0;

	while (--namelen >= 0)
		c += name[namelen];
	c = c % count;
	return c;
}

int raw_name2idx(int hashtype, int count, const char *name, int namelen)
{
	unsigned int	c = 0;
	int		idx;

	LASSERT(namelen > 0);

	if (filename_is_volatile(name, namelen, &idx)) {
		if ((idx >= 0) && (idx < count))
			return idx;
		goto hashchoice;
	}

	if (count <= 1)
		return 0;

hashchoice:
	switch (hashtype) {
	case MEA_MAGIC_LAST_CHAR:
		c = mea_last_char_hash(count, (char *)name, namelen);
		break;
	case MEA_MAGIC_ALL_CHARS:
		c = mea_all_chars_hash(count, (char *)name, namelen);
		break;
	case MEA_MAGIC_HASH_SEGMENT:
		CERROR("Unsupported hash type MEA_MAGIC_HASH_SEGMENT\n");
		break;
	default:
		CERROR("Unknown hash type 0x%x\n", hashtype);
	}

	LASSERT(c < count);
	return c;
}
EXPORT_SYMBOL(raw_name2idx);

int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen)
{
	unsigned int c;

	LASSERT(mea && mea->mea_count);

	c = raw_name2idx(mea->mea_magic, mea->mea_count, name, namelen);

	LASSERT(c < mea->mea_count);
	return c;
}
EXPORT_SYMBOL(mea_name2idx);