inline int p9_is_proto_dotl(struct p9_client *clnt)
{
- return (clnt->proto_version == p9_proto_2000L);
+ return clnt->proto_version == p9_proto_2000L;
}
EXPORT_SYMBOL(p9_is_proto_dotl);
inline int p9_is_proto_dotu(struct p9_client *clnt)
{
- return (clnt->proto_version == p9_proto_2000u);
+ return clnt->proto_version == p9_proto_2000u;
}
EXPORT_SYMBOL(p9_is_proto_dotu);
return err;
}
- if (type == P9_RERROR) {
+ if (type == P9_RERROR || type == P9_RLERROR) {
int ecode;
- char *ename;
- err = p9pdu_readf(req->rc, c->proto_version, "s?d",
- &ename, &ecode);
- if (err) {
- P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n",
- err);
- return err;
- }
+ if (!p9_is_proto_dotl(c)) {
+ char *ename;
- if (p9_is_proto_dotu(c) ||
- p9_is_proto_dotl(c))
- err = -ecode;
+ err = p9pdu_readf(req->rc, c->proto_version, "s?d",
+ &ename, &ecode);
+ if (err)
+ goto out_err;
+
+ if (p9_is_proto_dotu(c))
+ err = -ecode;
- if (!err || !IS_ERR_VALUE(err))
- err = p9_errstr2errno(ename, strlen(ename));
+ if (!err || !IS_ERR_VALUE(err)) {
+ err = p9_errstr2errno(ename, strlen(ename));
+
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", -ecode, ename);
+
+ kfree(ename);
+ }
+ } else {
+ err = p9pdu_readf(req->rc, c->proto_version, "d", &ecode);
+ err = -ecode;
- P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", -ecode, ename);
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode);
+ }
- kfree(ename);
} else
err = 0;
return err;
+
+out_err:
+ P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n", err);
+
+ return err;
}
/**
va_start(ap, fmt);
err = p9pdu_vwritef(req->tc, c->proto_version, fmt, ap);
va_end(ap);
+ if (err)
+ goto reterr;
p9pdu_finalize(req->tc);
err = c->trans_mod->request(c, req);
if (err < 0) {
- c->status = Disconnected;
+ if (err != -ERESTARTSYS)
+ c->status = Disconnected;
goto reterr;
}
kfree(fid);
}
-int p9_client_version(struct p9_client *c)
+static int p9_client_version(struct p9_client *c)
{
int err = 0;
struct p9_req_t *req;
return err;
}
-EXPORT_SYMBOL(p9_client_version);
struct p9_client *p9_client_create(const char *dev_name, char *options)
{
}
EXPORT_SYMBOL(p9_client_attach);
-struct p9_fid *
-p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
-{
- int err;
- struct p9_req_t *req;
- struct p9_qid qid;
- struct p9_fid *afid;
-
- P9_DPRINTK(P9_DEBUG_9P, ">>> TAUTH uname %s aname %s\n", uname, aname);
- err = 0;
-
- afid = p9_fid_create(clnt);
- if (IS_ERR(afid)) {
- err = PTR_ERR(afid);
- afid = NULL;
- goto error;
- }
-
- req = p9_client_rpc(clnt, P9_TAUTH, "dss?d",
- afid ? afid->fid : P9_NOFID, uname, aname, n_uname);
- if (IS_ERR(req)) {
- err = PTR_ERR(req);
- goto error;
- }
-
- err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
- if (err) {
- p9pdu_dump(1, req->rc);
- p9_free_req(clnt, req);
- goto error;
- }
-
- P9_DPRINTK(P9_DEBUG_9P, "<<< RAUTH qid %x.%llx.%x\n",
- qid.type,
- (unsigned long long)qid.path,
- qid.version);
-
- memmove(&afid->qid, &qid, sizeof(struct p9_qid));
- p9_free_req(clnt, req);
- return afid;
-
-error:
- if (afid)
- p9_fid_destroy(afid);
- return ERR_PTR(err);
-}
-EXPORT_SYMBOL(p9_client_auth);
-
struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
int clone)
{
}
EXPORT_SYMBOL(p9_client_link);
+int p9_client_fsync(struct p9_fid *fid, int datasync)
+{
+ int err;
+ struct p9_client *clnt;
+ struct p9_req_t *req;
+
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TFSYNC fid %d datasync:%d\n",
+ fid->fid, datasync);
+ err = 0;
+ clnt = fid->clnt;
+
+ req = p9_client_rpc(clnt, P9_TFSYNC, "dd", fid->fid, datasync);
+ if (IS_ERR(req)) {
+ err = PTR_ERR(req);
+ goto error;
+ }
+
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RFSYNC fid %d\n", fid->fid);
+
+ p9_free_req(clnt, req);
+
+error:
+ return err;
+}
+EXPORT_SYMBOL(p9_client_fsync);
+
int p9_client_clunk(struct p9_fid *fid)
{
int err;
struct p9_client *clnt;
struct p9_req_t *req;
+ if (!fid) {
+ P9_EPRINTK(KERN_WARNING, "Trying to clunk with NULL fid\n");
+ dump_stack();
+ return 0;
+ }
+
P9_DPRINTK(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid);
err = 0;
clnt = fid->clnt;
if (data) {
memmove(data, dataptr, count);
- }
-
- if (udata) {
+ } else {
err = copy_to_user(udata, dataptr, count);
if (err) {
err = -EFAULT;
goto free_and_error;
}
}
-
p9_free_req(clnt, req);
return count;
}
EXPORT_SYMBOL(p9_client_mkdir_dotl);
+
+int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status)
+{
+ int err;
+ struct p9_client *clnt;
+ struct p9_req_t *req;
+
+ err = 0;
+ clnt = fid->clnt;
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TLOCK fid %d type %i flags %d "
+ "start %lld length %lld proc_id %d client_id %s\n",
+ fid->fid, flock->type, flock->flags, flock->start,
+ flock->length, flock->proc_id, flock->client_id);
+
+ req = p9_client_rpc(clnt, P9_TLOCK, "dbdqqds", fid->fid, flock->type,
+ flock->flags, flock->start, flock->length,
+ flock->proc_id, flock->client_id);
+
+ if (IS_ERR(req))
+ return PTR_ERR(req);
+
+ err = p9pdu_readf(req->rc, clnt->proto_version, "b", status);
+ if (err) {
+ p9pdu_dump(1, req->rc);
+ goto error;
+ }
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status);
+error:
+ p9_free_req(clnt, req);
+ return err;
+
+}
+EXPORT_SYMBOL(p9_client_lock_dotl);
+
+int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock)
+{
+ int err;
+ struct p9_client *clnt;
+ struct p9_req_t *req;
+
+ err = 0;
+ clnt = fid->clnt;
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TGETLOCK fid %d, type %i start %lld "
+ "length %lld proc_id %d client_id %s\n", fid->fid, glock->type,
+ glock->start, glock->length, glock->proc_id, glock->client_id);
+
+ req = p9_client_rpc(clnt, P9_TGETLOCK, "dbqqds", fid->fid, glock->type,
+ glock->start, glock->length, glock->proc_id, glock->client_id);
+
+ if (IS_ERR(req))
+ return PTR_ERR(req);
+
+ err = p9pdu_readf(req->rc, clnt->proto_version, "bqqds", &glock->type,
+ &glock->start, &glock->length, &glock->proc_id,
+ &glock->client_id);
+ if (err) {
+ p9pdu_dump(1, req->rc);
+ goto error;
+ }
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RGETLOCK type %i start %lld length %lld "
+ "proc_id %d client_id %s\n", glock->type, glock->start,
+ glock->length, glock->proc_id, glock->client_id);
+error:
+ p9_free_req(clnt, req);
+ return err;
+}
+EXPORT_SYMBOL(p9_client_getlock_dotl);
+
+int p9_client_readlink(struct p9_fid *fid, char **target)
+{
+ int err;
+ struct p9_client *clnt;
+ struct p9_req_t *req;
+
+ err = 0;
+ clnt = fid->clnt;
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TREADLINK fid %d\n", fid->fid);
+
+ req = p9_client_rpc(clnt, P9_TREADLINK, "d", fid->fid);
+ if (IS_ERR(req))
+ return PTR_ERR(req);
+
+ err = p9pdu_readf(req->rc, clnt->proto_version, "s", target);
+ if (err) {
+ p9pdu_dump(1, req->rc);
+ goto error;
+ }
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target);
+error:
+ p9_free_req(clnt, req);
+ return err;
+}
+EXPORT_SYMBOL(p9_client_readlink);
projects / mv-sheeva.git / blobdiff