mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 16:07:39 +00:00
531b1094b7
Performance enhancement reducing the number of copies in the data and stat paths. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
77 lines
2 KiB
C
77 lines
2 KiB
C
/*
|
|
* 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, n;
|
|
char buf[5*8];
|
|
|
|
n = 0;
|
|
i = 0;
|
|
while (i < datalen) {
|
|
n += snprintf(buf+n, sizeof(buf)-n, "%02x", data[i++]);
|
|
if (i%4 == 0)
|
|
n += snprintf(buf+n, sizeof(buf)-n, " ");
|
|
|
|
if (i%16 == 0) {
|
|
dprintk(DEBUG_ERROR, "%s\n", buf);
|
|
n = 0;
|
|
}
|
|
}
|
|
|
|
dprintk(DEBUG_ERROR, "%s\n", buf);
|
|
}
|
|
#else /* DEBUG_DUMP_PKT */
|
|
static inline void dump_data(const unsigned char *data, unsigned int datalen)
|
|
{
|
|
|
|
}
|
|
#endif /* DEBUG_DUMP_PKT */
|