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Sun, 18 Oct 2026 23:14:51 -0700 (PDT) Date: Mon, 19 Oct 2026 15:14:46 +0900 From: Hyunchul Lee To: Christian Brauner Cc: Jan Kara , Al Viro , ecryptfs@vger.kernel.org, linux-ext4@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, exfat@lists.linux.dev, linux-fsdevel@vger.kernel.org, ntfs@lists.linux.dev, ocfs2-devel@lists.linux.dev, linux-btrfs@vger.kernel.org, gfs2@lists.linux.dev, linux-efi@vger.kernel.org, linux-mtd@lists.infradead.org, linux-xfs@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH RFC 14/28] ntfs: don't set SB_RDONLY after filesystem errors Message-ID: References: <20261012-work-fs-sb_rdonly-v1-0-60743a3dc326@kernel.org> <20261012-work-fs-sb_rdonly-v1-14-60743a3dc326@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20261012-work-fs-sb_rdonly-v1-14-60743a3dc326@kernel.org> Hi Christian, > diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c > index 4066bacabe37..12ad2ce938ba 100644 > --- a/fs/ntfs/super.c > +++ b/fs/ntfs/super.c > @@ -269,6 +269,8 @@ static int ntfs_reconfigure(struct fs_context *fc) > > ntfs_debug("Entering with remount"); > > + /* Mark the volume dirty first if an error made it read-only. */ > + flush_work(&vol->error_work); > sync_filesystem(sb); > if (sb_rdonly(sb) && !(fc->sb_flags & SB_RDONLY)) { .... return -EROFS; Before this patch, SB_RDONLY is set, so remount,rw returned -EROFS. With this patch, sb_rdonly(sb) is false, so remount,rw skips the check and return success even though writes are rejected with -EROFS. I think that the condition should be test NVolErrors(), for example if ((sb_rdonly(sb) || NVolErrors(vol)) && !(fc->sb_flags & SB_RDONLY)) { -- Thanks, Hyunchul