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X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Thu, Mar 21, 2019 at 11:02 AM Lars Persson wrote: > > The missing inode is always triggered on those two particular files > emotiond.conf and tampering.conf that share the same write pattern at startup: > > cp file file.tmp > echo some data > file.tmp > mv file.tmp file > fsync file > A closer look at that script shows that the atomic file update part was bypassed. It only performs a chown operation on that file. That simple chown will trigger an overlayfs copyup operation. With a proper unmount after the system has finished writing to /etc I cannot reproduce any corruption. An unclean shutdown triggers corruption in about 1/3 of the attempts, also when I cut power tens of seconds after the problematic script has executed. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/