@@ -304,7 +304,13 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
case S_IFBLK:
case S_IFCHR:
case S_IFSOCK:
- if (!v9fs_proto_dotu(v9ses)) {
+ if (v9fs_proto_dotl(v9ses)) {
+ inode->i_op = &v9fs_file_inode_operations_dotl;
+ inode->i_fop = &v9fs_file_operations_dotl;
+ } else if (v9fs_proto_dotu(v9ses)) {
+ inode->i_op = &v9fs_file_inode_operations;
+ inode->i_fop = &v9fs_file_operations;
+ } else {
P9_DPRINTK(P9_DEBUG_ERROR,
"special files without extended mode\n");
err = -EINVAL;
@@ -1370,6 +1376,95 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
return retval;
}
+/**
+ * v9fs_vfs_mknod_dotl - create a special file
+ * @dir: inode destination for new link
+ * @dentry: dentry for file
+ * @mode: mode for creation
+ * @rdev: device associated with special file
+ *
+ */
+static int
+v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int mode,
+ dev_t rdev)
+{
+ int err;
+ char *name;
+ struct v9fs_session_info *v9ses;
+ struct p9_fid *fid = NULL, *dfid = NULL;
+ struct inode *inode;
+ gid_t gid;
+ struct p9_qid qid;
+
+ P9_DPRINTK(P9_DEBUG_VFS,
+ " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino,
+ dentry->d_name.name, mode, MAJOR(rdev), MINOR(rdev));
+
+ if (!new_valid_dev(rdev))
+ return -EINVAL;
+
+ v9ses = v9fs_inode2v9ses(dir);
+ dfid = v9fs_fid_lookup(dentry->d_parent);
+ if (IS_ERR(dfid)) {
+ err = PTR_ERR(dfid);
+ P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
+ dfid = NULL;
+ goto error;
+ }
+
+ gid = v9fs_get_egid(v9ses, dfid, dentry->d_parent);
+ if (gid < 0) {
+ P9_DPRINTK(P9_DEBUG_VFS, "v9fs_get_egid failed\n");
+ goto error;
+ }
+
+ name = (char *) dentry->d_name.name;
+ err = p9_client_mknod_dotl(dfid, name, mode, new_encode_dev(rdev),
+ gid, &qid);
+ if (err < 0)
+ goto error;
+
+ /* instantiate inode and assign the unopened fid to the dentry */
+ if (v9ses->cache) {
+ fid = p9_client_walk(dfid, 1, &name, 1);
+ if (IS_ERR(fid)) {
+ err = PTR_ERR(fid);
+ P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
+ err);
+ fid = NULL;
+ goto error;
+ }
+
+ inode = v9fs_inode_from_fid(v9ses, fid, dir->i_sb);
+ if (IS_ERR(inode)) {
+ err = PTR_ERR(inode);
+ P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
+ err);
+ goto error;
+ }
+ dentry->d_op = &v9fs_cached_dentry_operations;
+ d_instantiate(dentry, inode);
+ err = v9fs_fid_add(dentry, fid);
+ if (err < 0)
+ goto error;
+ fid = NULL;
+ } else {
+ /* Not in cached mode. No need to populate inode with stat */
+ inode = v9fs_get_inode(dir->i_sb, mode);
+ if (IS_ERR(inode)) {
+ err = PTR_ERR(inode);
+ goto error;
+ }
+ dentry->d_op = &v9fs_dentry_operations;
+ d_instantiate(dentry, inode);
+ }
+
+error:
+ if (fid)
+ p9_client_clunk(fid);
+ return err;
+}
+
static const struct inode_operations v9fs_dir_inode_operations_dotu = {
.create = v9fs_vfs_create,
.lookup = v9fs_vfs_lookup,
@@ -1392,7 +1487,7 @@ static const struct inode_operations v9fs_dir_inode_operations_dotl = {
.unlink = v9fs_vfs_unlink,
.mkdir = v9fs_vfs_mkdir,
.rmdir = v9fs_vfs_rmdir,
- .mknod = v9fs_vfs_mknod,
+ .mknod = v9fs_vfs_mknod_dotl,
.rename = v9fs_vfs_rename,
.getattr = v9fs_vfs_getattr_dotl,
.setattr = v9fs_vfs_setattr,
@@ -131,6 +131,8 @@ do { \
enum p9_msg_t {
P9_TSTATFS = 8,
P9_RSTATFS,
+ P9_TMKNOD = 18,
+ P9_RMKNOD,
P9_TRENAME = 20,
P9_RRENAME,
P9_TGETATTR = 24,
@@ -240,6 +240,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid);
+int p9_client_mknod_dotl(struct p9_fid *oldfid, char *name, int mode,
+ dev_t rdev, gid_t gid, struct p9_qid *);
struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
@@ -1529,3 +1529,36 @@ error:
return err;
}
EXPORT_SYMBOL(p9_client_readdir);
+
+int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
+ dev_t rdev, gid_t gid, struct p9_qid *qid)
+{
+ int err;
+ struct p9_client *clnt;
+ struct p9_req_t *req;
+
+ err = 0;
+ clnt = fid->clnt;
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TMKNOD fid %d name %s mode %d major %d "
+ "minor %d\n", fid->fid, name, mode, MAJOR(rdev), MINOR(rdev));
+ req = p9_client_rpc(clnt, P9_TMKNOD, "dsddd", fid->fid, name, mode,
+ rdev, gid);
+ 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);
+ goto error;
+ }
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type,
+ (unsigned long long)qid->path, qid->version);
+
+error:
+ p9_free_req(clnt, req);
+ return err;
+
+}
+EXPORT_SYMBOL(p9_client_mknod_dotl);