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[PATCH] v9fs: debug and support routines

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This part of the patch contains debug and other misc routines.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Eric Van Hensbergen
2005-09-09 13:04:24 -07:00
committed by Linus Torvalds
parent 322b329ab7
commit 3ed8491c8a
5 changed files with 642 additions and 0 deletions
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70
fs/9p/debug.h Normal file
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/*
* linux/fs/9p/debug.h - V9FS Debug Definitions
*
* Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will 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 to:
* Free Software Foundation
* 51 Franklin Street, Fifth Floor
* Boston, MA 02111-1301 USA
*
*/
#define DEBUG_ERROR (1<<0)
#define DEBUG_CURRENT (1<<1)
#define DEBUG_9P (1<<2)
#define DEBUG_VFS (1<<3)
#define DEBUG_CONV (1<<4)
#define DEBUG_MUX (1<<5)
#define DEBUG_TRANS (1<<6)
#define DEBUG_SLABS (1<<7)
#define DEBUG_DUMP_PKT 0
extern int v9fs_debug_level;
#define dprintk(level, format, arg...) \
do { \
if((v9fs_debug_level & level)==level) \
printk(KERN_NOTICE "-- %s (%d): " \
format , __FUNCTION__, current->pid , ## arg); \
} while(0)
#define eprintk(level, format, arg...) \
do { \
printk(level "v9fs: %s (%d): " \
format , __FUNCTION__, current->pid , ## arg); \
} while(0)
#if DEBUG_DUMP_PKT
static inline void dump_data(const unsigned char *data, unsigned int datalen)
{
int i, j;
int len = datalen;
printk(KERN_DEBUG "data ");
for (i = 0; i < len; i += 4) {
for (j = 0; (j < 4) && (i + j < len); j++)
printk(KERN_DEBUG "%02x", data[i + j]);
printk(KERN_DEBUG " ");
}
printk(KERN_DEBUG "\n");
}
#else /* DEBUG_DUMP_PKT */
static inline void dump_data(const unsigned char *data, unsigned int datalen)
{
}
#endif /* DEBUG_DUMP_PKT */