Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / xfs / xfs_message.c

diff --git a/kernel/fs/xfs/xfs_message.c b/kernel/fs/xfs/xfs_message.c
new file mode 100644 (file)
index 0000000..d8b6754
--- /dev/null
+++ b/kernel/fs/xfs/xfs_message.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2011 Red Hat, Inc.  All Rights Reserved.
+ *
+ * This program 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.
+ *
+ * This program is distributed in the hope that it would 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; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_format.h"
+#include "xfs_log_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_fsname) {
+               printk("%sXFS (%s): %pV\n", level, mp->m_fsname, 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;                           \
+                                                               \
+       va_start(args, fmt);                                    \
+                                                               \
+       vaf.fmt = fmt;                                          \
+       vaf.va = &args;                                         \
+                                                               \
+       __xfs_printk(kern_level, mp, &vaf);                     \
+       va_end(args);                                           \
+}                                                              \
+
+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(char *expr, char *file, int line)
+{
+       xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d",
+               expr, file, line);
+       WARN_ON(1);
+}
+
+void
+assfail(char *expr, char *file, int line)
+{
+       xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
+               expr, file, line);
+       BUG();
+}
+
+void
+xfs_hex_dump(void *p, int length)
+{
+       print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
+}