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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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>
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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* linux/fs/9p/debug.h - V9FS Debug Definitions
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*
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* Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
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* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to:
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* Free Software Foundation
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02111-1301 USA
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*
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*/
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#define DEBUG_ERROR (1<<0)
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#define DEBUG_CURRENT (1<<1)
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#define DEBUG_9P (1<<2)
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#define DEBUG_VFS (1<<3)
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#define DEBUG_CONV (1<<4)
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#define DEBUG_MUX (1<<5)
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#define DEBUG_TRANS (1<<6)
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#define DEBUG_SLABS (1<<7)
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#define DEBUG_DUMP_PKT 0
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extern int v9fs_debug_level;
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#define dprintk(level, format, arg...) \
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do { \
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if((v9fs_debug_level & level)==level) \
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printk(KERN_NOTICE "-- %s (%d): " \
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format , __FUNCTION__, current->pid , ## arg); \
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} while(0)
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#define eprintk(level, format, arg...) \
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do { \
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printk(level "v9fs: %s (%d): " \
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format , __FUNCTION__, current->pid , ## arg); \
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} while(0)
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#if DEBUG_DUMP_PKT
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static inline void dump_data(const unsigned char *data, unsigned int datalen)
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{
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int i, n;
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char buf[5*8];
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n = 0;
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i = 0;
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while (i < datalen) {
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n += snprintf(buf+n, sizeof(buf)-n, "%02x", data[i++]);
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if (i%4 == 0)
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n += snprintf(buf+n, sizeof(buf)-n, " ");
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if (i%16 == 0) {
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dprintk(DEBUG_ERROR, "%s\n", buf);
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n = 0;
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}
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}
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dprintk(DEBUG_ERROR, "%s\n", buf);
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}
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#else /* DEBUG_DUMP_PKT */
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static inline void dump_data(const unsigned char *data, unsigned int datalen)
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{
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}
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#endif /* DEBUG_DUMP_PKT */
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