150 struct vfsmount *devpts_mntget(struct file *filp, struct pts_fs_info *fsi)  in devpts_mntget()  argument
167 	    (DEVPTS_SB(path.mnt->mnt_sb) != fsi))  in devpts_mntget()
171 		if (DEVPTS_SB(path.mnt->mnt_sb) == fsi)  in devpts_mntget()
213 void devpts_release(struct pts_fs_info *fsi)  in devpts_release()  argument
215 	deactivate_super(fsi->sb);  in devpts_release()
311 	struct pts_fs_info *fsi = DEVPTS_SB(sb);  in mknod_ptmx()  local
312 	struct pts_mount_opts *opts = &fsi->mount_opts;  in mknod_ptmx()
319 	if (fsi->ptmx_dentry) {  in mknod_ptmx()
350 	fsi->ptmx_dentry = dentry;  in mknod_ptmx()
357 static void update_ptmx_mode(struct pts_fs_info *fsi)  in update_ptmx_mode()  argument
360 	if (fsi->ptmx_dentry) {  in update_ptmx_mode()
361 		inode = d_inode(fsi->ptmx_dentry);  in update_ptmx_mode()
362 		inode->i_mode = S_IFCHR|fsi->mount_opts.ptmxmode;  in update_ptmx_mode()
369 	struct pts_fs_info *fsi = DEVPTS_SB(sb);  in devpts_remount()  local
370 	struct pts_mount_opts *opts = &fsi->mount_opts;  in devpts_remount()
380 	update_ptmx_mode(fsi);  in devpts_remount()
387 	struct pts_fs_info *fsi = DEVPTS_SB(root->d_sb);  in devpts_show_options()  local
388 	struct pts_mount_opts *opts = &fsi->mount_opts;  in devpts_show_options()
412 	struct pts_fs_info *fsi;  in new_pts_fs_info()  local
414 	fsi = kzalloc(sizeof(struct pts_fs_info), GFP_KERNEL);  in new_pts_fs_info()
415 	if (!fsi)  in new_pts_fs_info()
418 	ida_init(&fsi->allocated_ptys);  in new_pts_fs_info()
419 	fsi->mount_opts.mode = DEVPTS_DEFAULT_MODE;  in new_pts_fs_info()
420 	fsi->mount_opts.ptmxmode = DEVPTS_DEFAULT_PTMX_MODE;  in new_pts_fs_info()
421 	fsi->sb = sb;  in new_pts_fs_info()
423 	return fsi;  in new_pts_fs_info()
492 	struct pts_fs_info *fsi = DEVPTS_SB(sb);  in devpts_kill_sb()  local
494 	if (fsi)  in devpts_kill_sb()
495 		ida_destroy(&fsi->allocated_ptys);  in devpts_kill_sb()
496 	kfree(fsi);  in devpts_kill_sb()
512 int devpts_new_index(struct pts_fs_info *fsi)  in devpts_new_index()  argument
517 			  (fsi->mount_opts.reserve ? 0 : pty_reserve)))  in devpts_new_index()
520 	index = ida_alloc_max(&fsi->allocated_ptys, fsi->mount_opts.max - 1,  in devpts_new_index()
529 void devpts_kill_index(struct pts_fs_info *fsi, int idx)  in devpts_kill_index()  argument
531 	ida_free(&fsi->allocated_ptys, idx);  in devpts_kill_index()
537  * @fsi: Filesystem info for this instance.
544 struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv)  in devpts_pty_new()  argument
547 	struct super_block *sb = fsi->sb;  in devpts_pty_new()
554 	opts = &fsi->mount_opts;  in devpts_pty_new()