From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + jffs2-check-if-partition-is-marked-ro-on-remount.patch added to -mm tree Date: Fri, 21 Mar 2008 14:12:31 -0700 Message-ID: <200803212112.m2LLCVn3010699@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:39318 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761995AbYCUVNP (ORCPT ); Fri, 21 Mar 2008 17:13:15 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: bigeasy@tglx.de, bigeasy@linutronix.de, dwmw2@infradead.org The patch titled jffs2: check if partition is marked RO on remount has been added to the -mm tree. Its filename is jffs2-check-if-partition-is-marked-ro-on-remount.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: jffs2: check if partition is marked RO on remount From: Sebastian Siewior and if it is, don't tell userspace that write is possible. Signed-off-by: Sebastian Siewior Cc: David Woodhouse Signed-off-by: Andrew Morton --- fs/jffs2/fs.c | 3 +++ 1 file changed, 3 insertions(+) diff -puN fs/jffs2/fs.c~jffs2-check-if-partition-is-marked-ro-on-remount fs/jffs2/fs.c --- a/fs/jffs2/fs.c~jffs2-check-if-partition-is-marked-ro-on-remount +++ a/fs/jffs2/fs.c @@ -382,6 +382,9 @@ int jffs2_remount_fs (struct super_block if (c->flags & JFFS2_SB_FLAG_RO && !(sb->s_flags & MS_RDONLY)) return -EROFS; + if (!(c->mtd->flags & MTD_WRITEABLE)) + return -EROFS; + /* We stop if it was running, then restart if it needs to. This also catches the case where it was stopped and this is just a remount to restart it. _ Patches currently in -mm which might be from bigeasy@tglx.de are jffs2-check-if-partition-is-marked-ro-on-remount.patch jffs2-check-if-partition-is-marked-ro-on-mount.patch