linux-stable-rt/fs/xfs/xfs_btree_trace.h

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/*
* 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
*/
#ifndef __XFS_BTREE_TRACE_H__
#define __XFS_BTREE_TRACE_H__
struct xfs_btree_cur;
struct xfs_buf;
/*
* Trace hooks.
* i,j = integer (32 bit)
* b = btree block buffer (xfs_buf_t)
* p = btree ptr
* r = btree record
* k = btree key
*/
#ifdef XFS_BTREE_TRACE
/*
* Trace buffer entry types.
*/
#define XFS_BTREE_KTRACE_ARGBI 1
#define XFS_BTREE_KTRACE_ARGBII 2
#define XFS_BTREE_KTRACE_ARGFFFI 3
#define XFS_BTREE_KTRACE_ARGI 4
#define XFS_BTREE_KTRACE_ARGIPK 5
#define XFS_BTREE_KTRACE_ARGIPR 6
#define XFS_BTREE_KTRACE_ARGIK 7
#define XFS_BTREE_KTRACE_ARGR 8
#define XFS_BTREE_KTRACE_CUR 9
/*
* Sub-types for cursor traces.
*/
#define XBT_ARGS 0
#define XBT_ENTRY 1
#define XBT_ERROR 2
#define XBT_EXIT 3
void xfs_btree_trace_argbi(const char *, struct xfs_btree_cur *,
struct xfs_buf *, int, int);
void xfs_btree_trace_argbii(const char *, struct xfs_btree_cur *,
struct xfs_buf *, int, int, int);
void xfs_btree_trace_argfffi(const char *, struct xfs_btree_cur *,
xfs_dfiloff_t, xfs_dfsbno_t, xfs_dfilblks_t, int, int);
void xfs_btree_trace_argi(const char *, struct xfs_btree_cur *, int, int);
void xfs_btree_trace_argipk(const char *, struct xfs_btree_cur *, int,
union xfs_btree_ptr, union xfs_btree_key *, int);
void xfs_btree_trace_argipr(const char *, struct xfs_btree_cur *, int,
union xfs_btree_ptr, union xfs_btree_rec *, int);
void xfs_btree_trace_argik(const char *, struct xfs_btree_cur *, int,
union xfs_btree_key *, int);
void xfs_btree_trace_argr(const char *, struct xfs_btree_cur *,
union xfs_btree_rec *, int);
void xfs_btree_trace_cursor(const char *, struct xfs_btree_cur *, int, int);
#define XFS_ALLOCBT_TRACE_SIZE 4096 /* size of global trace buffer */
extern ktrace_t *xfs_allocbt_trace_buf;
#define XFS_INOBT_TRACE_SIZE 4096 /* size of global trace buffer */
extern ktrace_t *xfs_inobt_trace_buf;
#define XFS_BMBT_TRACE_SIZE 4096 /* size of global trace buffer */
#define XFS_BMBT_KTRACE_SIZE 32 /* size of per-inode trace buffer */
extern ktrace_t *xfs_bmbt_trace_buf;
#define XFS_BTREE_TRACE_ARGBI(c, b, i) \
xfs_btree_trace_argbi(__func__, c, b, i, __LINE__)
#define XFS_BTREE_TRACE_ARGBII(c, b, i, j) \
xfs_btree_trace_argbii(__func__, c, b, i, j, __LINE__)
#define XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j) \
xfs_btree_trace_argfffi(__func__, c, o, b, i, j, __LINE__)
#define XFS_BTREE_TRACE_ARGI(c, i) \
xfs_btree_trace_argi(__func__, c, i, __LINE__)
#define XFS_BTREE_TRACE_ARGIPK(c, i, p, k) \
xfs_btree_trace_argipk(__func__, c, i, p, k, __LINE__)
#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) \
xfs_btree_trace_argipr(__func__, c, i, p, r, __LINE__)
#define XFS_BTREE_TRACE_ARGIK(c, i, k) \
xfs_btree_trace_argik(__func__, c, i, k, __LINE__)
#define XFS_BTREE_TRACE_ARGR(c, r) \
xfs_btree_trace_argr(__func__, c, r, __LINE__)
#define XFS_BTREE_TRACE_CURSOR(c, t) \
xfs_btree_trace_cursor(__func__, c, t, __LINE__)
#else
#define XFS_BTREE_TRACE_ARGBI(c, b, i)
#define XFS_BTREE_TRACE_ARGBII(c, b, i, j)
#define XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j)
#define XFS_BTREE_TRACE_ARGI(c, i)
#define XFS_BTREE_TRACE_ARGIPK(c, i, p, s)
#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r)
#define XFS_BTREE_TRACE_ARGIK(c, i, k)
#define XFS_BTREE_TRACE_ARGR(c, r)
#define XFS_BTREE_TRACE_CURSOR(c, t)
#endif /* XFS_BTREE_TRACE */
#endif /* __XFS_BTREE_TRACE_H__ */