release/src-rt-6.x.4708/linux/linux-2.6.36/fs/xfs/xfs_btree_trace.h

   1 /*
   2  * Copyright (c) 2008 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __XFS_BTREE_TRACE_H__
  19 #define __XFS_BTREE_TRACE_H__
  20
  21 struct xfs_btree_cur;
  22 struct xfs_buf;
  23
  24
  25 /*
  26  * Trace hooks.
  27  * i,j = integer (32 bit)
  28  * b = btree block buffer (xfs_buf_t)
  29  * p = btree ptr
  30  * r = btree record
  31  * k = btree key
  32  */
  33
  34 #ifdef XFS_BTREE_TRACE
  35
  36 /*
  37  * Trace buffer entry types.
  38  */
  39 #define XFS_BTREE_KTRACE_ARGBI   1
  40 #define XFS_BTREE_KTRACE_ARGBII  2
  41 #define XFS_BTREE_KTRACE_ARGFFFI 3
  42 #define XFS_BTREE_KTRACE_ARGI    4
  43 #define XFS_BTREE_KTRACE_ARGIPK  5
  44 #define XFS_BTREE_KTRACE_ARGIPR  6
  45 #define XFS_BTREE_KTRACE_ARGIK   7
  46 #define XFS_BTREE_KTRACE_ARGR    8
  47 #define XFS_BTREE_KTRACE_CUR     9
  48
  49 /*
  50  * Sub-types for cursor traces.
  51  */
  52 #define XBT_ARGS        0
  53 #define XBT_ENTRY       1
  54 #define XBT_ERROR       2
  55 #define XBT_EXIT        3
  56
  57 void xfs_btree_trace_argbi(const char *, struct xfs_btree_cur *,
  58                 struct xfs_buf *, int, int);
  59 void xfs_btree_trace_argbii(const char *, struct xfs_btree_cur *,
  60                 struct xfs_buf *, int, int, int);
  61 void xfs_btree_trace_argi(const char *, struct xfs_btree_cur *, int, int);
  62 void xfs_btree_trace_argipk(const char *, struct xfs_btree_cur *, int,
  63                 union xfs_btree_ptr, union xfs_btree_key *, int);
  64 void xfs_btree_trace_argipr(const char *, struct xfs_btree_cur *, int,
  65                 union xfs_btree_ptr, union xfs_btree_rec *, int);
  66 void xfs_btree_trace_argik(const char *, struct xfs_btree_cur *, int,
  67                 union xfs_btree_key *, int);
  68 void xfs_btree_trace_argr(const char *, struct xfs_btree_cur *,
  69                 union xfs_btree_rec *, int);
  70 void xfs_btree_trace_cursor(const char *, struct xfs_btree_cur *, int, int);
  71
  72 #define XFS_BTREE_TRACE_ARGBI(c, b, i)  \
  73         xfs_btree_trace_argbi(__func__, c, b, i, __LINE__)
  74 #define XFS_BTREE_TRACE_ARGBII(c, b, i, j)      \
  75         xfs_btree_trace_argbii(__func__, c, b, i, j, __LINE__)
  76 #define XFS_BTREE_TRACE_ARGI(c, i)      \
  77         xfs_btree_trace_argi(__func__, c, i, __LINE__)
  78 #define XFS_BTREE_TRACE_ARGIPK(c, i, p, k)      \
  79         xfs_btree_trace_argipk(__func__, c, i, p, k, __LINE__)
  80 #define XFS_BTREE_TRACE_ARGIPR(c, i, p, r)      \
  81         xfs_btree_trace_argipr(__func__, c, i, p, r, __LINE__)
  82 #define XFS_BTREE_TRACE_ARGIK(c, i, k)  \
  83         xfs_btree_trace_argik(__func__, c, i, k, __LINE__)
  84 #define XFS_BTREE_TRACE_ARGR(c, r)      \
  85         xfs_btree_trace_argr(__func__, c, r, __LINE__)
  86 #define XFS_BTREE_TRACE_CURSOR(c, t)    \
  87         xfs_btree_trace_cursor(__func__, c, t, __LINE__)
  88 #else
  89 #define XFS_BTREE_TRACE_ARGBI(c, b, i)
  90 #define XFS_BTREE_TRACE_ARGBII(c, b, i, j)
  91 #define XFS_BTREE_TRACE_ARGI(c, i)
  92 #define XFS_BTREE_TRACE_ARGIPK(c, i, p, s)
  93 #define XFS_BTREE_TRACE_ARGIPR(c, i, p, r)
  94 #define XFS_BTREE_TRACE_ARGIK(c, i, k)
  95 #define XFS_BTREE_TRACE_ARGR(c, r)
  96 #define XFS_BTREE_TRACE_CURSOR(c, t)
  97 #endif  /* XFS_BTREE_TRACE */
  98
  99 #endif /* __XFS_BTREE_TRACE_H__ */