linux-imx

/*

 * debug.c - NTFS kernel debug support. Part of the Linux-NTFS project.

 *

 * Copyright (c) 2001-2004 Anton Altaparmakov

 *

 * This program/include file 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/include file 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 (in the main directory of the Linux-NTFS

 * distribution in the file COPYING); if not, write to the Free Software

 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include "debug.h"

​

/**

 * __ntfs_warning - output a warning to the syslog

 * @function:   name of function outputting the warning

 * @sb:     super block of mounted ntfs filesystem

 * @fmt:    warning string containing format specifications

 * @...:    a variable number of arguments specified in @fmt

 *

 * Outputs a warning to the syslog for the mounted ntfs filesystem described

 * by @sb.

 *

 * @fmt and the corresponding @... is printf style format string containing

 * the warning string and the corresponding format arguments, respectively.

 *

 * @function is the name of the function from which __ntfs_warning is being

 * called.

 *

 * Note, you should be using debug.h::ntfs_warning(@sb, @fmt, @...) instead

 * as this provides the @function parameter automatically.

 */

void __ntfs_warning(const char *function, const struct super_block *sb,

        const char *fmt, ...)

{

    struct va_format vaf;

    va_list args;

    int flen = 0;

​

#ifndef DEBUG

    if (!printk_ratelimit())

        return;

#endif

    if (function)

        flen = strlen(function);

    va_start(args, fmt);

    vaf.fmt = fmt;

    vaf.va = &args;

    if (sb)

        pr_warn("(device %s): %s(): %pV\n",

            sb->s_id, flen ? function : "", &vaf);

    else

        pr_warn("%s(): %pV\n", flen ? function : "", &vaf);