128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/*
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* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#include "debug.h"
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#include "spin.h"
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#include <asm/page.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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static char message[256]; /* keep it off the stack */
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static DEFINE_SPINLOCK(xfs_err_lock);
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/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */
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#define XFS_MAX_ERR_LEVEL 7
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#define XFS_ERR_MASK ((1 << 3) - 1)
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static char *err_level[XFS_MAX_ERR_LEVEL+1] =
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{KERN_EMERG, KERN_ALERT, KERN_CRIT,
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KERN_ERR, KERN_WARNING, KERN_NOTICE,
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KERN_INFO, KERN_DEBUG};
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void
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assfail(char *a, char *f, int l)
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{
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printk("XFS assertion failed: %s, file: %s, line: %d\n", a, f, l);
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BUG();
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}
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#if ((defined(DEBUG) || defined(INDUCE_IO_ERRROR)) && !defined(NO_WANT_RANDOM))
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unsigned long
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random(void)
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{
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static unsigned long RandomValue = 1;
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/* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */
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register long rv = RandomValue;
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register long lo;
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register long hi;
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hi = rv / 127773;
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lo = rv % 127773;
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rv = 16807 * lo - 2836 * hi;
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if( rv <= 0 ) rv += 2147483647;
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return( RandomValue = rv );
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}
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int
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get_thread_id(void)
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{
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return current->pid;
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}
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#endif /* DEBUG || INDUCE_IO_ERRROR || !NO_WANT_RANDOM */
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void
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cmn_err(register int level, char *fmt, ...)
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{
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char *fp = fmt;
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int len;
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ulong flags;
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va_list ap;
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level &= XFS_ERR_MASK;
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if (level > XFS_MAX_ERR_LEVEL)
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level = XFS_MAX_ERR_LEVEL;
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spin_lock_irqsave(&xfs_err_lock,flags);
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va_start(ap, fmt);
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if (*fmt == '!') fp++;
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len = vsprintf(message, fp, ap);
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if (message[len-1] != '\n')
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strcat(message, "\n");
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printk("%s%s", err_level[level], message);
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va_end(ap);
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spin_unlock_irqrestore(&xfs_err_lock,flags);
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if (level == CE_PANIC)
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BUG();
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}
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void
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icmn_err(register int level, char *fmt, va_list ap)
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{
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ulong flags;
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int len;
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level &= XFS_ERR_MASK;
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if(level > XFS_MAX_ERR_LEVEL)
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level = XFS_MAX_ERR_LEVEL;
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spin_lock_irqsave(&xfs_err_lock,flags);
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len = vsprintf(message, fmt, ap);
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if (message[len-1] != '\n')
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strcat(message, "\n");
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spin_unlock_irqrestore(&xfs_err_lock,flags);
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printk("%s%s", err_level[level], message);
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if (level == CE_PANIC)
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BUG();
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}
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