mirror of
https://github.com/torvalds/linux
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d243b89a61
Some of the xfs error message functions take a pointer to a buffer that will be dumped to the system log. The logging functions don't change the contents, so constify all the parameters. This enables the next patch to ensure that we log bad metadata when we encounter it. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
112 lines
2.3 KiB
C
112 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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#include "xfs_error.h"
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#include "xfs_shared.h"
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#include "xfs_format.h"
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#include "xfs_trans_resv.h"
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#include "xfs_mount.h"
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/*
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* XFS logging functions
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*/
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static void
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__xfs_printk(
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const char *level,
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const struct xfs_mount *mp,
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struct va_format *vaf)
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{
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if (mp && mp->m_fsname) {
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printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
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return;
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}
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printk("%sXFS: %pV\n", level, vaf);
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}
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#define define_xfs_printk_level(func, kern_level) \
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void func(const struct xfs_mount *mp, const char *fmt, ...) \
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{ \
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struct va_format vaf; \
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va_list args; \
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int level; \
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\
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va_start(args, fmt); \
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\
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vaf.fmt = fmt; \
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vaf.va = &args; \
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\
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__xfs_printk(kern_level, mp, &vaf); \
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va_end(args); \
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\
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if (!kstrtoint(kern_level, 0, &level) && \
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level <= LOGLEVEL_ERR && \
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xfs_error_level >= XFS_ERRLEVEL_HIGH) \
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xfs_stack_trace(); \
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} \
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define_xfs_printk_level(xfs_emerg, KERN_EMERG);
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define_xfs_printk_level(xfs_alert, KERN_ALERT);
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define_xfs_printk_level(xfs_crit, KERN_CRIT);
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define_xfs_printk_level(xfs_err, KERN_ERR);
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define_xfs_printk_level(xfs_warn, KERN_WARNING);
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define_xfs_printk_level(xfs_notice, KERN_NOTICE);
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define_xfs_printk_level(xfs_info, KERN_INFO);
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#ifdef DEBUG
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define_xfs_printk_level(xfs_debug, KERN_DEBUG);
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#endif
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void
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xfs_alert_tag(
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const struct xfs_mount *mp,
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int panic_tag,
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const char *fmt, ...)
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{
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struct va_format vaf;
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va_list args;
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int do_panic = 0;
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if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
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xfs_alert(mp, "Transforming an alert into a BUG.");
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do_panic = 1;
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}
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va_start(args, fmt);
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vaf.fmt = fmt;
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vaf.va = &args;
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__xfs_printk(KERN_ALERT, mp, &vaf);
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va_end(args);
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BUG_ON(do_panic);
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}
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void
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asswarn(char *expr, char *file, int line)
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{
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xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d",
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expr, file, line);
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WARN_ON(1);
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}
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void
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assfail(char *expr, char *file, int line)
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{
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xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
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expr, file, line);
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if (xfs_globals.bug_on_assert)
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BUG();
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else
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WARN_ON(1);
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}
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void
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xfs_hex_dump(const void *p, int length)
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{
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print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
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}
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