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-rw-r--r--fs/9p/fcall.c427
1 files changed, 0 insertions, 427 deletions
diff --git a/fs/9p/fcall.c b/fs/9p/fcall.c
deleted file mode 100644
index dc336a6..0000000
--- a/fs/9p/fcall.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/*
- * linux/fs/9p/fcall.c
- *
- * This file contains functions to perform synchronous 9P calls
- *
- * Copyright (C) 2004 by Latchesar Ionkov <lucho@ionkov.net>
- * 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 version 2
- * as published by the Free Software Foundation.
- *
- * 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
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/sched.h>
-#include <linux/idr.h>
-
-#include "debug.h"
-#include "v9fs.h"
-#include "9p.h"
-#include "conv.h"
-#include "mux.h"
-
-/**
- * v9fs_t_version - negotiate protocol parameters with sever
- * @v9ses: 9P2000 session information
- * @msize: requested max size packet
- * @version: requested version.extension string
- * @fcall: pointer to response fcall pointer
- *
- */
-
-int
-v9fs_t_version(struct v9fs_session_info *v9ses, u32 msize,
- char *version, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "msize: %d version: %s\n", msize, version);
- tc = v9fs_create_tversion(msize, version);
-
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_attach - mount the server
- * @v9ses: 9P2000 session information
- * @uname: user name doing the attach
- * @aname: remote name being attached to
- * @fid: mount fid to attatch to root node
- * @afid: authentication fid (in this case result key)
- * @fcall: pointer to response fcall pointer
- *
- */
-
-int
-v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname,
- u32 fid, u32 afid, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall* tc;
-
- dprintk(DEBUG_9P, "uname '%s' aname '%s' fid %d afid %d\n", uname,
- aname, fid, afid);
-
- tc = v9fs_create_tattach(fid, afid, uname, aname);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-static void v9fs_t_clunk_cb(void *a, struct v9fs_fcall *tc,
- struct v9fs_fcall *rc, int err)
-{
- int fid, id;
- struct v9fs_session_info *v9ses;
-
- id = 0;
- fid = tc->params.tclunk.fid;
- if (rc)
- id = rc->id;
-
- kfree(tc);
- kfree(rc);
- if (id == RCLUNK) {
- v9ses = a;
- v9fs_put_idpool(fid, &v9ses->fidpool);
- }
-}
-
-/**
- * v9fs_t_clunk - release a fid (finish a transaction)
- * @v9ses: 9P2000 session information
- * @fid: fid to release
- * @fcall: pointer to response fcall pointer
- *
- */
-
-int
-v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid)
-{
- int ret;
- struct v9fs_fcall *tc, *rc;
-
- dprintk(DEBUG_9P, "fid %d\n", fid);
-
- rc = NULL;
- tc = v9fs_create_tclunk(fid);
- if (!IS_ERR(tc))
- ret = v9fs_mux_rpc(v9ses->mux, tc, &rc);
- else
- ret = PTR_ERR(tc);
-
- if (ret)
- dprintk(DEBUG_ERROR, "failed fid %d err %d\n", fid, ret);
-
- v9fs_t_clunk_cb(v9ses, tc, rc, ret);
- return ret;
-}
-
-#if 0
-/**
- * v9fs_v9fs_t_flush - flush a pending transaction
- * @v9ses: 9P2000 session information
- * @tag: tag to release
- *
- */
-int v9fs_t_flush(struct v9fs_session_info *v9ses, u16 oldtag)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "oldtag %d\n", oldtag);
-
- tc = v9fs_create_tflush(oldtag);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, NULL);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-#endif
-
-/**
- * v9fs_t_stat - read a file's meta-data
- * @v9ses: 9P2000 session information
- * @fid: fid pointing to file or directory to get info about
- * @fcall: pointer to response fcall
- *
- */
-
-int
-v9fs_t_stat(struct v9fs_session_info *v9ses, u32 fid, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "fid %d\n", fid);
-
- ret = -ENOMEM;
- tc = v9fs_create_tstat(fid);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_wstat - write a file's meta-data
- * @v9ses: 9P2000 session information
- * @fid: fid pointing to file or directory to write info about
- * @stat: metadata
- * @fcall: pointer to response fcall
- *
- */
-
-int
-v9fs_t_wstat(struct v9fs_session_info *v9ses, u32 fid,
- struct v9fs_wstat *wstat, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "fid %d\n", fid);
-
- tc = v9fs_create_twstat(fid, wstat, v9ses->extended);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_walk - walk a fid to a new file or directory
- * @v9ses: 9P2000 session information
- * @fid: fid to walk
- * @newfid: new fid (for clone operations)
- * @name: path to walk fid to
- * @fcall: pointer to response fcall
- *
- */
-
-/* TODO: support multiple walk */
-
-int
-v9fs_t_walk(struct v9fs_session_info *v9ses, u32 fid, u32 newfid,
- char *name, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
- int nwname;
-
- dprintk(DEBUG_9P, "fid %d newfid %d wname '%s'\n", fid, newfid, name);
-
- if (name)
- nwname = 1;
- else
- nwname = 0;
-
- tc = v9fs_create_twalk(fid, newfid, nwname, &name);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_open - open a file
- *
- * @v9ses - 9P2000 session information
- * @fid - fid to open
- * @mode - mode to open file (R, RW, etc)
- * @fcall - pointer to response fcall
- *
- */
-
-int
-v9fs_t_open(struct v9fs_session_info *v9ses, u32 fid, u8 mode,
- struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "fid %d mode %d\n", fid, mode);
-
- tc = v9fs_create_topen(fid, mode);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_remove - remove a file or directory
- * @v9ses: 9P2000 session information
- * @fid: fid to remove
- * @fcall: pointer to response fcall
- *
- */
-
-int
-v9fs_t_remove(struct v9fs_session_info *v9ses, u32 fid,
- struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "fid %d\n", fid);
-
- tc = v9fs_create_tremove(fid);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_create - create a file or directory
- * @v9ses: 9P2000 session information
- * @fid: fid to create
- * @name: name of the file or directory to create
- * @perm: permissions to create with
- * @mode: mode to open file (R, RW, etc)
- * @fcall: pointer to response fcall
- *
- */
-
-int
-v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name, u32 perm,
- u8 mode, char *extension, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc;
-
- dprintk(DEBUG_9P, "fid %d name '%s' perm %x mode %d\n",
- fid, name, perm, mode);
-
- tc = v9fs_create_tcreate(fid, name, perm, mode, extension,
- v9ses->extended);
-
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, rcp);
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_read - read data
- * @v9ses: 9P2000 session information
- * @fid: fid to read from
- * @offset: offset to start read at
- * @count: how many bytes to read
- * @fcall: pointer to response fcall (with data)
- *
- */
-
-int
-v9fs_t_read(struct v9fs_session_info *v9ses, u32 fid, u64 offset,
- u32 count, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc, *rc;
-
- dprintk(DEBUG_9P, "fid %d offset 0x%llux count 0x%x\n", fid,
- (long long unsigned) offset, count);
-
- tc = v9fs_create_tread(fid, offset, count);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, &rc);
- if (!ret)
- ret = rc->params.rread.count;
- if (rcp)
- *rcp = rc;
- else
- kfree(rc);
-
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
-/**
- * v9fs_t_write - write data
- * @v9ses: 9P2000 session information
- * @fid: fid to write to
- * @offset: offset to start write at
- * @count: how many bytes to write
- * @fcall: pointer to response fcall
- *
- */
-
-int
-v9fs_t_write(struct v9fs_session_info *v9ses, u32 fid, u64 offset, u32 count,
- const char __user *data, struct v9fs_fcall **rcp)
-{
- int ret;
- struct v9fs_fcall *tc, *rc;
-
- dprintk(DEBUG_9P, "fid %d offset 0x%llux count 0x%x\n", fid,
- (long long unsigned) offset, count);
-
- tc = v9fs_create_twrite(fid, offset, count, data);
- if (!IS_ERR(tc)) {
- ret = v9fs_mux_rpc(v9ses->mux, tc, &rc);
-
- if (!ret)
- ret = rc->params.rwrite.count;
- if (rcp)
- *rcp = rc;
- else
- kfree(rc);
-
- kfree(tc);
- } else
- ret = PTR_ERR(tc);
-
- return ret;
-}
-
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