288 static void __ksmbd_remove_fd(struct ksmbd_file_table *ft, struct ksmbd_file *fp)  in __ksmbd_remove_fd()  argument
297 	write_lock(&ft->lock);  in __ksmbd_remove_fd()
298 	idr_remove(ft->idr, fp->volatile_id);  in __ksmbd_remove_fd()
299 	write_unlock(&ft->lock);  in __ksmbd_remove_fd()
302 static void __ksmbd_close_fd(struct ksmbd_file_table *ft, struct ksmbd_file *fp)  in __ksmbd_close_fd()  argument
309 	if (ft)  in __ksmbd_close_fd()
310 		__ksmbd_remove_fd(ft, fp);  in __ksmbd_close_fd()
347 static struct ksmbd_file *__ksmbd_lookup_fd(struct ksmbd_file_table *ft,  in __ksmbd_lookup_fd()  argument
355 	read_lock(&ft->lock);  in __ksmbd_lookup_fd()
356 	fp = idr_find(ft->idr, id);  in __ksmbd_lookup_fd()
359 	read_unlock(&ft->lock);  in __ksmbd_lookup_fd()
385 	struct ksmbd_file_table	*ft;  in ksmbd_close_fd()  local
390 	ft = &work->sess->file_table;  in ksmbd_close_fd()
391 	write_lock(&ft->lock);  in ksmbd_close_fd()
392 	fp = idr_find(ft->idr, id);  in ksmbd_close_fd()
404 	write_unlock(&ft->lock);  in ksmbd_close_fd()
552 static int __open_id(struct ksmbd_file_table *ft, struct ksmbd_file *fp,  in __open_id()  argument
564 	write_lock(&ft->lock);  in __open_id()
565 	ret = idr_alloc_cyclic(ft->idr, fp, 0, INT_MAX - 1, GFP_NOWAIT);  in __open_id()
575 	write_unlock(&ft->lock);  in __open_id()
630 void ksmbd_update_fstate(struct ksmbd_file_table *ft, struct ksmbd_file *fp,  in ksmbd_update_fstate()  argument
636 	write_lock(&ft->lock);  in ksmbd_update_fstate()
638 	write_unlock(&ft->lock);  in ksmbd_update_fstate()
642 __close_file_table_ids(struct ksmbd_file_table *ft,  in __close_file_table_ids()  argument
651 	idr_for_each_entry(ft->idr, fp, id) {  in __close_file_table_ids()
659 		__ksmbd_close_fd(ft, fp);  in __close_file_table_ids()
825 int ksmbd_init_file_table(struct ksmbd_file_table *ft)  in ksmbd_init_file_table()  argument
827 	ft->idr = kzalloc(sizeof(struct idr), GFP_KERNEL);  in ksmbd_init_file_table()
828 	if (!ft->idr)  in ksmbd_init_file_table()
831 	idr_init(ft->idr);  in ksmbd_init_file_table()
832 	rwlock_init(&ft->lock);  in ksmbd_init_file_table()
836 void ksmbd_destroy_file_table(struct ksmbd_file_table *ft)  in ksmbd_destroy_file_table()  argument
838 	if (!ft->idr)  in ksmbd_destroy_file_table()
841 	__close_file_table_ids(ft, NULL, session_fd_check);  in ksmbd_destroy_file_table()
842 	idr_destroy(ft->idr);  in ksmbd_destroy_file_table()
843 	kfree(ft->idr);  in ksmbd_destroy_file_table()
844 	ft->idr = NULL;  in ksmbd_destroy_file_table()