1 files changed, 235 insertions, 0 deletions

diff --git a/fs/xfs/xfs_dir2_trace.c b/fs/xfs/xfs_dir2_trace.c
new file mode 100644
index 000000000000..9d6417393140
--- /dev/null
+++ b/fs/xfs/xfs_dir2_trace.c
@@ -0,0 +1,235 @@
+/*
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 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.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+
+/*
+ * xfs_dir2_trace.c
+ * Tracing for xfs v2 directories.
+ */
+#include "xfs.h"
+
+#include "xfs_types.h"
+#include "xfs_inum.h"
+#include "xfs_dir.h"
+#include "xfs_dir2.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_attr_sf.h"
+#include "xfs_dir_sf.h"
+#include "xfs_dir2_sf.h"
+#include "xfs_dinode.h"
+#include "xfs_inode.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_trace.h"
+
+#ifdef XFS_DIR2_TRACE
+ktrace_t        *xfs_dir2_trace_buf;
+
+/*
+ * Enter something in the trace buffers.
+ */
+static void
+xfs_dir2_trace_enter(
+        xfs_inode_t     *dp,
+        int             type,
+        char            *where,
+        char            *name,
+        int             namelen,
+        void            *a0,
+        void            *a1,
+        void            *a2,
+        void            *a3,
+        void            *a4,
+        void            *a5,
+        void            *a6,
+        void            *a7)
+{
+        void            *n[5];
+
+        ASSERT(xfs_dir2_trace_buf);
+        ASSERT(dp->i_dir_trace);
+        if (name)
+                memcpy(n, name, min((int)sizeof(n), namelen));
+        else
+                memset((char *)n, 0, sizeof(n));
+        ktrace_enter(xfs_dir2_trace_buf,
+                (void *)(long)type, (void *)where,
+                (void *)a0, (void *)a1, (void *)a2, (void *)a3,
+                (void *)a4, (void *)a5, (void *)a6, (void *)a7,
+                (void *)(long)namelen,
+                (void *)n[0], (void *)n[1], (void *)n[2],
+                (void *)n[3], (void *)n[4]);
+        ktrace_enter(dp->i_dir_trace,
+                (void *)(long)type, (void *)where,
+                (void *)a0, (void *)a1, (void *)a2, (void *)a3,
+                (void *)a4, (void *)a5, (void *)a6, (void *)a7,
+                (void *)(long)namelen,
+                (void *)n[0], (void *)n[1], (void *)n[2],
+                (void *)n[3], (void *)n[4]);
+}
+
+void
+xfs_dir2_trace_args(
+        char            *where,
+        xfs_da_args_t   *args)
+{
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck, NULL, NULL);
+}
+
+void
+xfs_dir2_trace_args_b(
+        char            *where,
+        xfs_da_args_t   *args,
+        xfs_dabuf_t     *bp)
+{
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_B, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck,
+                (void *)(bp ? bp->bps[0] : NULL), NULL);
+}
+
+void
+xfs_dir2_trace_args_bb(
+        char            *where,
+        xfs_da_args_t   *args,
+        xfs_dabuf_t     *lbp,
+        xfs_dabuf_t     *dbp)
+{
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_BB, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck,
+                (void *)(lbp ? lbp->bps[0] : NULL),
+                (void *)(dbp ? dbp->bps[0] : NULL));
+}
+
+void
+xfs_dir2_trace_args_bibii(
+        char            *where,
+        xfs_da_args_t   *args,
+        xfs_dabuf_t     *bs,
+        int             ss,
+        xfs_dabuf_t     *bd,
+        int             sd,
+        int             c)
+{
+        xfs_buf_t       *bpbs = bs ? bs->bps[0] : NULL;
+        xfs_buf_t       *bpbd = bd ? bd->bps[0] : NULL;
+
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_BIBII, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)args->dp, (void *)args->trans,
+                (void *)bpbs, (void *)(long)ss, (void *)bpbd, (void *)(long)sd,
+                (void *)(long)c, NULL);
+}
+
+void
+xfs_dir2_trace_args_db(
+        char            *where,
+        xfs_da_args_t   *args,
+        xfs_dir2_db_t   db,
+        xfs_dabuf_t     *bp)
+{
+        xfs_buf_t       *dbp = bp ? bp->bps[0] : NULL;
+
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_DB, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck, (void *)(long)db,
+                (void *)dbp);
+}
+
+void
+xfs_dir2_trace_args_i(
+        char            *where,
+        xfs_da_args_t   *args,
+        xfs_ino_t       i)
+{
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_I, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck,
+                (void *)((unsigned long)(i >> 32)),
+                (void *)((unsigned long)(i & 0xFFFFFFFF)));
+}
+
+void
+xfs_dir2_trace_args_s(
+        char            *where,
+        xfs_da_args_t   *args,
+        int             s)
+{
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_S, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck, (void *)(long)s, NULL);
+}
+
+void
+xfs_dir2_trace_args_sb(
+        char            *where,
+        xfs_da_args_t   *args,
+        int             s,
+        xfs_dabuf_t     *bp)
+{
+        xfs_buf_t       *dbp = bp ? bp->bps[0] : NULL;
+
+        xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_SB, where,
+                (char *)args->name, (int)args->namelen,
+                (void *)(unsigned long)args->hashval,
+                (void *)((unsigned long)(args->inumber >> 32)),
+                (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
+                (void *)args->dp, (void *)args->trans,
+                (void *)(unsigned long)args->justcheck, (void *)(long)s,
+                (void *)dbp);
+}
+#endif  /* XFS_DIR2_TRACE */