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Revision 9bbf282da87294e1bda0ccb4e351bfdf5fc076cd authored by Doug Ledford on 09 July 2015, 14:16:12 UTC, committed by Doug Ledford on 14 July 2015, 17:20:15 UTC 
IB/mlx4: Fix memory leak in do_slave_init
 
We create a number of work structs to be queued up to a workqueue, and
on completion of the workqueue handler, the workqueue handler frees the
allocated memory.  If, however, we don't queue the work struct because
the device is going down, then we need to free the memory ourselves.

Signed-off-by: Doug Ledford <dledford@redhat.com>
1 parent a39a98f
Raw File
ocfs2_lockid.h 
/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * ocfs2_lockid.h
 *
 * Defines OCFS2 lockid bits.
 *
 * Copyright (C) 2002, 2005 Oracle.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * 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 for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#ifndef OCFS2_LOCKID_H
#define OCFS2_LOCKID_H

/* lock ids are made up in the following manner:
 * name[0]     --> type
 * name[1-6]   --> 6 pad characters, reserved for now
 * name[7-22]  --> block number, expressed in hex as 16 chars
 * name[23-30] --> i_generation, expressed in hex 8 chars
 * name[31]    --> '\0' */
#define OCFS2_LOCK_ID_MAX_LEN  32
#define OCFS2_LOCK_ID_PAD "000000"

#define OCFS2_DENTRY_LOCK_INO_START 18

enum ocfs2_lock_type {
	OCFS2_LOCK_TYPE_META = 0,
	OCFS2_LOCK_TYPE_DATA,
	OCFS2_LOCK_TYPE_SUPER,
	OCFS2_LOCK_TYPE_RENAME,
	OCFS2_LOCK_TYPE_RW,
	OCFS2_LOCK_TYPE_DENTRY,
	OCFS2_LOCK_TYPE_OPEN,
	OCFS2_LOCK_TYPE_FLOCK,
	OCFS2_LOCK_TYPE_QINFO,
	OCFS2_LOCK_TYPE_NFS_SYNC,
	OCFS2_LOCK_TYPE_ORPHAN_SCAN,
	OCFS2_LOCK_TYPE_REFCOUNT,
	OCFS2_NUM_LOCK_TYPES
};

static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type)
{
	char c;
	switch (type) {
		case OCFS2_LOCK_TYPE_META:
			c = 'M';
			break;
		case OCFS2_LOCK_TYPE_DATA:
			c = 'D';
			break;
		case OCFS2_LOCK_TYPE_SUPER:
			c = 'S';
			break;
		case OCFS2_LOCK_TYPE_RENAME:
			c = 'R';
			break;
		case OCFS2_LOCK_TYPE_RW:
			c = 'W';
			break;
		case OCFS2_LOCK_TYPE_DENTRY:
			c = 'N';
			break;
		case OCFS2_LOCK_TYPE_OPEN:
			c = 'O';
			break;
		case OCFS2_LOCK_TYPE_FLOCK:
			c = 'F';
			break;
		case OCFS2_LOCK_TYPE_QINFO:
			c = 'Q';
			break;
		case OCFS2_LOCK_TYPE_NFS_SYNC:
			c = 'Y';
			break;
		case OCFS2_LOCK_TYPE_ORPHAN_SCAN:
			c = 'P';
			break;
		case OCFS2_LOCK_TYPE_REFCOUNT:
			c = 'T';
			break;
		default:
			c = '\0';
	}

	return c;
}

static char *ocfs2_lock_type_strings[] = {
	[OCFS2_LOCK_TYPE_META] = "Meta",
	[OCFS2_LOCK_TYPE_DATA] = "Data",
	[OCFS2_LOCK_TYPE_SUPER] = "Super",
	[OCFS2_LOCK_TYPE_RENAME] = "Rename",
	/* Need to differntiate from [R]ename.. serializing writes is the
	 * important job it does, anyway. */
	[OCFS2_LOCK_TYPE_RW] = "Write/Read",
	[OCFS2_LOCK_TYPE_DENTRY] = "Dentry",
	[OCFS2_LOCK_TYPE_OPEN] = "Open",
	[OCFS2_LOCK_TYPE_FLOCK] = "Flock",
	[OCFS2_LOCK_TYPE_QINFO] = "Quota",
	[OCFS2_LOCK_TYPE_NFS_SYNC] = "NFSSync",
	[OCFS2_LOCK_TYPE_ORPHAN_SCAN] = "OrphanScan",
	[OCFS2_LOCK_TYPE_REFCOUNT] = "Refcount",
};

static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type)
{
#ifdef __KERNEL__
	BUG_ON(type >= OCFS2_NUM_LOCK_TYPES);
#endif
	return ocfs2_lock_type_strings[type];
}

#endif  /* OCFS2_LOCKID_H */
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