9p: remove 9p fcall debug prints
One of the current debug options allows users to get a verbose dump of fcalls. This isn't really necessary as correctly parsed protocol frames can be printed as part of the code in the client functions. The consolidated printfcalls structure would require new entries to be added for every extension. This patch removes the debug print methods and their use. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Eric Van Hensbergen
parent
ace51c4dd2
commit
51d71f9f7a
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@ -590,7 +590,6 @@ struct p9_fcall *p9_create_tstat(u32 fid);
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struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
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int dotu);
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int p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int dotu);
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int p9_errstr2errno(char *errstr, int len);
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struct p9_idpool *p9_idpool_create(void);
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@ -6,7 +6,6 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
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client.o \
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conv.o \
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error.o \
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fcprint.o \
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util.o \
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protocol.o \
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trans_fd.o \
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@ -502,15 +502,6 @@ p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
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goto reterr;
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}
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#ifdef CONFIG_NET_9P_DEBUG
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if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
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char buf[150];
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p9_printfcall(buf, sizeof(buf), req->rc, c->dotu);
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printk(KERN_NOTICE ">>> %p %s\n", c, buf);
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}
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#endif
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if (req->rc->id == P9_RERROR) {
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int ecode = req->rc->params.rerror.errno;
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struct p9_str *ename = &req->rc->params.rerror.error;
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366
net/9p/fcprint.c
366
net/9p/fcprint.c
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@ -1,366 +0,0 @@
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/*
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* net/9p/fcprint.c
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*
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* Print 9P call.
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*
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* Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
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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 version 2
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* as published by the Free Software Foundation.
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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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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/idr.h>
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#include <net/9p/9p.h>
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#ifdef CONFIG_NET_9P_DEBUG
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static int
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p9_printqid(char *buf, int buflen, struct p9_qid *q)
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{
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int n;
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char b[10];
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n = 0;
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if (q->type & P9_QTDIR)
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b[n++] = 'd';
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if (q->type & P9_QTAPPEND)
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b[n++] = 'a';
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if (q->type & P9_QTAUTH)
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b[n++] = 'A';
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if (q->type & P9_QTEXCL)
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b[n++] = 'l';
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if (q->type & P9_QTTMP)
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b[n++] = 't';
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if (q->type & P9_QTSYMLINK)
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b[n++] = 'L';
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b[n] = '\0';
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return scnprintf(buf, buflen, "(%.16llx %x %s)",
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(long long int) q->path, q->version, b);
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}
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static int
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p9_printperm(char *buf, int buflen, int perm)
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{
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int n;
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char b[15];
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n = 0;
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if (perm & P9_DMDIR)
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b[n++] = 'd';
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if (perm & P9_DMAPPEND)
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b[n++] = 'a';
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if (perm & P9_DMAUTH)
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b[n++] = 'A';
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if (perm & P9_DMEXCL)
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b[n++] = 'l';
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if (perm & P9_DMTMP)
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b[n++] = 't';
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if (perm & P9_DMDEVICE)
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b[n++] = 'D';
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if (perm & P9_DMSOCKET)
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b[n++] = 'S';
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if (perm & P9_DMNAMEDPIPE)
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b[n++] = 'P';
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if (perm & P9_DMSYMLINK)
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b[n++] = 'L';
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b[n] = '\0';
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return scnprintf(buf, buflen, "%s%03o", b, perm&077);
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}
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static int
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p9_printstat(char *buf, int buflen, struct p9_stat *st, int extended)
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{
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int n;
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n = scnprintf(buf, buflen, "'%.*s' '%.*s'", st->name.len,
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st->name.str, st->uid.len, st->uid.str);
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if (extended)
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n += scnprintf(buf+n, buflen-n, "(%d)", st->n_uid);
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n += scnprintf(buf+n, buflen-n, " '%.*s'", st->gid.len, st->gid.str);
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if (extended)
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n += scnprintf(buf+n, buflen-n, "(%d)", st->n_gid);
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n += scnprintf(buf+n, buflen-n, " '%.*s'", st->muid.len, st->muid.str);
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if (extended)
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n += scnprintf(buf+n, buflen-n, "(%d)", st->n_muid);
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n += scnprintf(buf+n, buflen-n, " q ");
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n += p9_printqid(buf+n, buflen-n, &st->qid);
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n += scnprintf(buf+n, buflen-n, " m ");
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n += p9_printperm(buf+n, buflen-n, st->mode);
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n += scnprintf(buf+n, buflen-n, " at %d mt %d l %lld",
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st->atime, st->mtime, (long long int) st->length);
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if (extended)
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n += scnprintf(buf+n, buflen-n, " ext '%.*s'",
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st->extension.len, st->extension.str);
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return n;
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}
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static int
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p9_dumpdata(char *buf, int buflen, u8 *data, int datalen)
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{
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int i, n;
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i = n = 0;
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while (i < datalen) {
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n += scnprintf(buf + n, buflen - n, "%02x", data[i]);
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if (i%4 == 3)
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n += scnprintf(buf + n, buflen - n, " ");
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if (i%32 == 31)
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n += scnprintf(buf + n, buflen - n, "\n");
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i++;
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}
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n += scnprintf(buf + n, buflen - n, "\n");
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return n;
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}
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static int
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p9_printdata(char *buf, int buflen, u8 *data, int datalen)
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{
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return p9_dumpdata(buf, buflen, data, datalen < 16?datalen:16);
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}
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/**
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* p9_printfcall - decode and print a protocol structure into a buffer
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* @buf: buffer to deposit decoded structure into
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* @buflen: available space in buffer
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* @fc: protocol rpc structure of type &p9_fcall
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* @extended: whether or not session is operating with extended protocol
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*/
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int
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p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int extended)
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{
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int i, ret, type, tag;
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if (!fc)
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return scnprintf(buf, buflen, "<NULL>");
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type = fc->id;
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tag = fc->tag;
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ret = 0;
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switch (type) {
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case P9_TVERSION:
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ret += scnprintf(buf+ret, buflen-ret,
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"Tversion tag %u msize %u version '%.*s'", tag,
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fc->params.tversion.msize,
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fc->params.tversion.version.len,
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fc->params.tversion.version.str);
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break;
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case P9_RVERSION:
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ret += scnprintf(buf+ret, buflen-ret,
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"Rversion tag %u msize %u version '%.*s'", tag,
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fc->params.rversion.msize,
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fc->params.rversion.version.len,
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fc->params.rversion.version.str);
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break;
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case P9_TAUTH:
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ret += scnprintf(buf+ret, buflen-ret,
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"Tauth tag %u afid %d uname '%.*s' aname '%.*s'", tag,
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fc->params.tauth.afid, fc->params.tauth.uname.len,
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fc->params.tauth.uname.str, fc->params.tauth.aname.len,
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fc->params.tauth.aname.str);
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break;
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case P9_RAUTH:
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ret += scnprintf(buf+ret, buflen-ret, "Rauth tag %u qid ", tag);
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p9_printqid(buf+ret, buflen-ret, &fc->params.rauth.qid);
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break;
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case P9_TATTACH:
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ret += scnprintf(buf+ret, buflen-ret,
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"Tattach tag %u fid %d afid %d uname '%.*s' aname '%.*s'", tag,
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fc->params.tattach.fid, fc->params.tattach.afid,
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fc->params.tattach.uname.len, fc->params.tattach.uname.str,
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fc->params.tattach.aname.len, fc->params.tattach.aname.str);
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break;
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case P9_RATTACH:
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ret += scnprintf(buf+ret, buflen-ret, "Rattach tag %u qid ",
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tag);
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p9_printqid(buf+ret, buflen-ret, &fc->params.rattach.qid);
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break;
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case P9_RERROR:
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ret += scnprintf(buf+ret, buflen-ret,
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"Rerror tag %u ename '%.*s'", tag,
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fc->params.rerror.error.len,
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fc->params.rerror.error.str);
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if (extended)
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ret += scnprintf(buf+ret, buflen-ret, " ecode %d\n",
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fc->params.rerror.errno);
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break;
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case P9_TFLUSH:
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ret += scnprintf(buf+ret, buflen-ret, "Tflush tag %u oldtag %u",
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tag, fc->params.tflush.oldtag);
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break;
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case P9_RFLUSH:
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ret += scnprintf(buf+ret, buflen-ret, "Rflush tag %u", tag);
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break;
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case P9_TWALK:
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ret += scnprintf(buf+ret, buflen-ret,
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"Twalk tag %u fid %d newfid %d nwname %d", tag,
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fc->params.twalk.fid, fc->params.twalk.newfid,
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fc->params.twalk.nwname);
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for (i = 0; i < fc->params.twalk.nwname; i++)
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ret += scnprintf(buf+ret, buflen-ret, " '%.*s'",
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fc->params.twalk.wnames[i].len,
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fc->params.twalk.wnames[i].str);
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break;
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case P9_RWALK:
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ret += scnprintf(buf+ret, buflen-ret, "Rwalk tag %u nwqid %d",
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tag, fc->params.rwalk.nwqid);
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for (i = 0; i < fc->params.rwalk.nwqid; i++)
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ret += p9_printqid(buf+ret, buflen-ret,
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&fc->params.rwalk.wqids[i]);
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break;
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case P9_TOPEN:
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ret += scnprintf(buf+ret, buflen-ret,
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"Topen tag %u fid %d mode %d", tag,
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fc->params.topen.fid, fc->params.topen.mode);
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break;
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case P9_ROPEN:
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ret += scnprintf(buf+ret, buflen-ret, "Ropen tag %u", tag);
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ret += p9_printqid(buf+ret, buflen-ret, &fc->params.ropen.qid);
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ret += scnprintf(buf+ret, buflen-ret, " iounit %d",
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fc->params.ropen.iounit);
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break;
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case P9_TCREATE:
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ret += scnprintf(buf+ret, buflen-ret,
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"Tcreate tag %u fid %d name '%.*s' perm ", tag,
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fc->params.tcreate.fid, fc->params.tcreate.name.len,
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fc->params.tcreate.name.str);
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ret += p9_printperm(buf+ret, buflen-ret,
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fc->params.tcreate.perm);
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ret += scnprintf(buf+ret, buflen-ret, " mode %d",
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fc->params.tcreate.mode);
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break;
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case P9_RCREATE:
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ret += scnprintf(buf+ret, buflen-ret, "Rcreate tag %u", tag);
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ret += p9_printqid(buf+ret, buflen-ret,
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&fc->params.rcreate.qid);
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ret += scnprintf(buf+ret, buflen-ret, " iounit %d",
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fc->params.rcreate.iounit);
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break;
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case P9_TREAD:
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ret += scnprintf(buf+ret, buflen-ret,
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"Tread tag %u fid %d offset %lld count %u", tag,
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fc->params.tread.fid,
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(long long int) fc->params.tread.offset,
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fc->params.tread.count);
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break;
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case P9_RREAD:
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ret += scnprintf(buf+ret, buflen-ret,
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"Rread tag %u count %u data ", tag,
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fc->params.rread.count);
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ret += p9_printdata(buf+ret, buflen-ret, fc->params.rread.data,
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fc->params.rread.count);
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break;
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case P9_TWRITE:
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ret += scnprintf(buf+ret, buflen-ret,
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"Twrite tag %u fid %d offset %lld count %u data ",
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tag, fc->params.twrite.fid,
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(long long int) fc->params.twrite.offset,
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fc->params.twrite.count);
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ret += p9_printdata(buf+ret, buflen-ret, fc->params.twrite.data,
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fc->params.twrite.count);
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break;
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case P9_RWRITE:
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ret += scnprintf(buf+ret, buflen-ret, "Rwrite tag %u count %u",
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tag, fc->params.rwrite.count);
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break;
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case P9_TCLUNK:
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ret += scnprintf(buf+ret, buflen-ret, "Tclunk tag %u fid %d",
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tag, fc->params.tclunk.fid);
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break;
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case P9_RCLUNK:
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ret += scnprintf(buf+ret, buflen-ret, "Rclunk tag %u", tag);
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break;
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case P9_TREMOVE:
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ret += scnprintf(buf+ret, buflen-ret, "Tremove tag %u fid %d",
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tag, fc->params.tremove.fid);
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break;
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case P9_RREMOVE:
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ret += scnprintf(buf+ret, buflen-ret, "Rremove tag %u", tag);
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break;
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case P9_TSTAT:
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ret += scnprintf(buf+ret, buflen-ret, "Tstat tag %u fid %d",
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tag, fc->params.tstat.fid);
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break;
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case P9_RSTAT:
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ret += scnprintf(buf+ret, buflen-ret, "Rstat tag %u ", tag);
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ret += p9_printstat(buf+ret, buflen-ret, &fc->params.rstat.stat,
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extended);
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break;
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case P9_TWSTAT:
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ret += scnprintf(buf+ret, buflen-ret, "Twstat tag %u fid %d ",
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tag, fc->params.twstat.fid);
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ret += p9_printstat(buf+ret, buflen-ret,
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&fc->params.twstat.stat, extended);
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break;
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case P9_RWSTAT:
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ret += scnprintf(buf+ret, buflen-ret, "Rwstat tag %u", tag);
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break;
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default:
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ret += scnprintf(buf+ret, buflen-ret, "unknown type %d", type);
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break;
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}
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return ret;
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}
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#else
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int
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p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int extended)
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{
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return 0;
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}
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#endif /* CONFIG_NET_9P_DEBUG */
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EXPORT_SYMBOL(p9_printfcall);
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@ -650,15 +650,6 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
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if (m->err < 0)
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return m->err;
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#ifdef CONFIG_NET_9P_DEBUG
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if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
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char buf[150];
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p9_printfcall(buf, sizeof(buf), req->tc, client->dotu);
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printk(KERN_NOTICE "<<< %p %s\n", m, buf);
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}
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#endif
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req->status = REQ_STATUS_UNSENT;
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spin_lock(&client->lock);
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