From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D77A8C48BDF for ; Fri, 18 Jun 2021 07:10:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B23DE61396 for ; Fri, 18 Jun 2021 07:10:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230438AbhFRHMs (ORCPT ); Fri, 18 Jun 2021 03:12:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229782AbhFRHMr (ORCPT ); Fri, 18 Jun 2021 03:12:47 -0400 Received: from mail-vs1-xe29.google.com (mail-vs1-xe29.google.com [IPv6:2607:f8b0:4864:20::e29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1FBFCC061574 for ; Fri, 18 Jun 2021 00:10:39 -0700 (PDT) Received: by mail-vs1-xe29.google.com with SMTP id j15so4437891vsf.2 for ; Fri, 18 Jun 2021 00:10:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=w/P+/ggAPSr24ov6nRiNVSQ5taQcSMFYDfL5d6r0zMg=; b=cdFtlqQOBKGRRFMuJt2T7KNnJNiiudCPxDc4hIMbbDI5Oj3VVixU0rnC4phphiKlD1 joGTwcqMliL3/1JeB3JfPvapBDFboviCEHROvUBGIElJrC/LmTLCbrFL3AfkEZWFac/c qIQFl04jxZO/nql+K5hlwUGs1PkLeClmhxR7I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=w/P+/ggAPSr24ov6nRiNVSQ5taQcSMFYDfL5d6r0zMg=; b=jDitpFu/3wep7JXsfd2tB0Ppiin2mOLtgJ3lMjuzfXm8aE1vICwsawvedpICNwL21Q Bo+e2dp+egzdbawhoLg8+PmXZK65VSKX9QK9Qtcx/qGaQxBKE5OwwT7PFt2ILQ0d+cHi fiqzVoRDUkPziYBGQ4EDp2aMS64rt8XiiZWkiS88s12crfdVV/b6KEzgO1kfmE/qM4gg DHAv94GoxEj7/nq0tDJ855/199SbaeP6Ki8ecLQxHMaGbteY4VZgZRx7GBuGegc+dRLw amh6NfNTYfXY8z8ioqpFmkYDnxlm5KTIXAuZYj51iY3SF0/pc0dsK0bC+doDdULunXUF XpRg== X-Gm-Message-State: AOAM5319Nbdf71eMLJKn/xZRoQ9gYRz4Vy4XL7hy27enzP/tLCNSjHuw WhnMhvvy08mLyPnjpGDaijSAqY+v9FBjGtjlIXWlXw== X-Google-Smtp-Source: ABdhPJx8zijHh9D1B4HhPILz7S2jPJn3Pd7CK8/a+MknvSjR6PEXM3OpFg59RKtSK/xic8OpU4FNFgsqh/RTIobqOT8= X-Received: by 2002:a67:cd19:: with SMTP id u25mr1658215vsl.47.1624000238154; Fri, 18 Jun 2021 00:10:38 -0700 (PDT) MIME-Version: 1.0 References: <20210615064155.911-1-jzp0409@163.com> In-Reply-To: <20210615064155.911-1-jzp0409@163.com> From: Miklos Szeredi Date: Fri, 18 Jun 2021 09:10:27 +0200 Message-ID: Subject: Re: [PATCH] fuse: set limit size To: jzp0409 Cc: linux-fsdevel@vger.kernel.org, "edison.jiang" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, 15 Jun 2021 at 08:41, jzp0409 wrote: > > From: "edison.jiang" > > Android-R /sdcard mount FUSE filesystem type, > use "dd" command to filli up /sdcard dir, > Android will not boot normal, > becase this system need at least 128M userspace. > > Test: open adb port, > adb shell "dd if=dev/zero of=sdcard/ae bs=1024000 count=xxx" > > Result: if not limit size,Android system can not boot normal. Without understanding the specifics, this does not look like a kernel issue at all. Why can't the fuse server do the limiting? Thanks, Miklos