1 files changed, 141 insertions, 0 deletions
diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c
new file mode 100644
index 000000000..bc66d95c8
--- /dev/null
+++ b/fs/xfs/xfs_message.c
@@ -0,0 +1,141 @@
+// 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);
+}