[XFS] make btree tracing generic
Make the existing bmap btree tracing generic so that it applies to all
btree types.
Some fragments lifted from a patch by Dave Chinner.
This adds two files that were missed from the previous btree tracing
checkin.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32210a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
diff --git a/fs/xfs/xfs_btree_trace.c b/fs/xfs/xfs_btree_trace.c
new file mode 100644
index 0000000..44ff942
--- /dev/null
+++ b/fs/xfs/xfs_btree_trace.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2008 Silicon Graphics, 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_types.h"
+#include "xfs_inum.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
+#include "xfs_ialloc_btree.h"
+#include "xfs_inode.h"
+#include "xfs_btree.h"
+#include "xfs_btree_trace.h"
+
+STATIC void
+xfs_btree_trace_ptr(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_ptr ptr,
+ __psunsigned_t *high,
+ __psunsigned_t *low)
+{
+ if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
+ __u64 val = be64_to_cpu(ptr.l);
+ *high = val >> 32;
+ *low = (int)val;
+ } else {
+ *high = 0;
+ *low = be32_to_cpu(ptr.s);
+ }
+}
+
+/*
+ * Add a trace buffer entry for arguments, for a buffer & 1 integer arg.
+ */
+void
+xfs_btree_trace_argbi(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ struct xfs_buf *b,
+ int i,
+ int line)
+{
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBI,
+ line, (__psunsigned_t)b, i, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for a buffer & 2 integer args.
+ */
+void
+xfs_btree_trace_argbii(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ struct xfs_buf *b,
+ int i0,
+ int i1,
+ int line)
+{
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBII,
+ line, (__psunsigned_t)b, i0, i1, 0, 0, 0, 0,
+ 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for 3 block-length args
+ * and an integer arg.
+ */
+void
+xfs_btree_trace_argfffi(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ xfs_dfiloff_t o,
+ xfs_dfsbno_t b,
+ xfs_dfilblks_t i,
+ int j,
+ int line)
+{
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGFFFI,
+ line,
+ o >> 32, (int)o,
+ b >> 32, (int)b,
+ i >> 32, (int)i,
+ (int)j, 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for one integer arg.
+ */
+void
+xfs_btree_trace_argi(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ int i,
+ int line)
+{
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGI,
+ line, i, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for int, fsblock, key.
+ */
+void
+xfs_btree_trace_argipk(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ int i,
+ union xfs_btree_ptr ptr,
+ union xfs_btree_key *key,
+ int line)
+{
+ __psunsigned_t high, low;
+ __uint64_t l0, l1;
+
+ xfs_btree_trace_ptr(cur, ptr, &high, &low);
+ cur->bc_ops->trace_key(cur, key, &l0, &l1);
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPK,
+ line, i, high, low,
+ l0 >> 32, (int)l0,
+ l1 >> 32, (int)l1,
+ 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for int, fsblock, rec.
+ */
+void
+xfs_btree_trace_argipr(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ int i,
+ union xfs_btree_ptr ptr,
+ union xfs_btree_rec *rec,
+ int line)
+{
+ __psunsigned_t high, low;
+ __uint64_t l0, l1, l2;
+
+ xfs_btree_trace_ptr(cur, ptr, &high, &low);
+ cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPR,
+ line, i,
+ high, low,
+ l0 >> 32, (int)l0,
+ l1 >> 32, (int)l1,
+ l2 >> 32, (int)l2,
+ 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for int, key.
+ */
+void
+xfs_btree_trace_argik(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ int i,
+ union xfs_btree_key *key,
+ int line)
+{
+ __uint64_t l0, l1;
+
+ cur->bc_ops->trace_key(cur, key, &l0, &l1);
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIK,
+ line, i,
+ l0 >> 32, (int)l0,
+ l1 >> 32, (int)l1,
+ 0, 0, 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for arguments, for record.
+ */
+void
+xfs_btree_trace_argr(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ union xfs_btree_rec *rec,
+ int line)
+{
+ __uint64_t l0, l1, l2;
+
+ cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);
+ cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGR,
+ line,
+ l0 >> 32, (int)l0,
+ l1 >> 32, (int)l1,
+ l2 >> 32, (int)l2,
+ 0, 0, 0, 0, 0);
+}
+
+/*
+ * Add a trace buffer entry for the cursor/operation.
+ */
+void
+xfs_btree_trace_cursor(
+ const char *func,
+ struct xfs_btree_cur *cur,
+ int type,
+ int line)
+{
+ __uint32_t s0;
+ __uint64_t l0, l1;
+ char *s;
+
+ switch (type) {
+ case XBT_ARGS:
+ s = "args";
+ break;
+ case XBT_ENTRY:
+ s = "entry";
+ break;
+ case XBT_ERROR:
+ s = "error";
+ break;
+ case XBT_EXIT:
+ s = "exit";
+ break;
+ default:
+ s = "unknown";
+ break;
+ }
+
+ cur->bc_ops->trace_cursor(cur, &s0, &l0, &l1);
+ cur->bc_ops->trace_enter(cur, func, s, XFS_BTREE_KTRACE_CUR, line,
+ s0,
+ l0 >> 32, (int)l0,
+ l1 >> 32, (int)l1,
+ (__psunsigned_t)cur->bc_bufs[0],
+ (__psunsigned_t)cur->bc_bufs[1],
+ (__psunsigned_t)cur->bc_bufs[2],
+ (__psunsigned_t)cur->bc_bufs[3],
+ (cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1],
+ (cur->bc_ptrs[2] << 16) | cur->bc_ptrs[3]);
+}