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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
*/
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_error.h"
#include "xfs_shared.h"
#include "xfs_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
/*
* XFS logging functions
*/
static void
__xfs_printk(
const char *level,
const struct xfs_mount *mp,
struct va_format *vaf)
{
if (mp && mp->m_super) {
printk("%sXFS (%s): %pV\n", level, mp->m_super->s_id, vaf);
return;
}
printk("%sXFS: %pV\n", level, vaf);
}
#define define_xfs_printk_level(func, kern_level) \
void func(const struct xfs_mount *mp, const char *fmt, ...) \
{ \
struct va_format vaf; \
va_list args; \
int level; \
\
va_start(args, fmt); \
\
vaf.fmt = fmt; \
vaf.va = &args; \
\
__xfs_printk(kern_level, mp, &vaf); \
va_end(args); \
\
if (!kstrtoint(kern_level, 0, &level) && \
level <= LOGLEVEL_ERR && \
xfs_error_level >= XFS_ERRLEVEL_HIGH) \
xfs_stack_trace(); \
} \
define_xfs_printk_level(xfs_emerg, KERN_EMERG);
define_xfs_printk_level(xfs_alert, KERN_ALERT);
define_xfs_printk_level(xfs_crit, KERN_CRIT);
define_xfs_printk_level(xfs_err, KERN_ERR);
define_xfs_printk_level(xfs_warn, KERN_WARNING);
define_xfs_printk_level(xfs_notice, KERN_NOTICE);
define_xfs_printk_level(xfs_info, KERN_INFO);
#ifdef DEBUG
define_xfs_printk_level(xfs_debug, KERN_DEBUG);
#endif
void
xfs_alert_tag(
const struct xfs_mount *mp,
int panic_tag,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int do_panic = 0;
if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
xfs_alert(mp, "Transforming an alert into a BUG.");
do_panic = 1;
}
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
__xfs_printk(KERN_ALERT, mp, &vaf);
va_end(args);
BUG_ON(do_panic);
}
void
asswarn(
struct xfs_mount *mp,
char *expr,
char *file,
int line)
{
xfs_warn(mp, "Assertion failed: %s, file: %s, line: %d",
expr, file, line);
WARN_ON(1);
}
void
assfail(
struct xfs_mount *mp,
char *expr,
char *file,
int line)
{
xfs_emerg(mp, "Assertion failed: %s, file: %s, line: %d",
expr, file, line);
if (xfs_globals.bug_on_assert)
BUG();
else
WARN_ON(1);
}
void
xfs_hex_dump(const void *p, int length)
{
print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
}
void
xfs_buf_alert_ratelimited(
struct xfs_buf *bp,
const char *rlmsg,
const char *fmt,
...)
{
struct xfs_mount *mp = bp->b_mount;
struct va_format vaf;
va_list args;
/* use the more aggressive per-target rate limit for buffers */
if (!___ratelimit(&bp->b_target->bt_ioerror_rl, rlmsg))
return;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
__xfs_printk(KERN_ALERT, mp, &vaf);
va_end(args);
}
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