在 2018年4月13日，下午8:56，Amir Goldstein <amir73il@xxxxxxxxx> 写道： > > On Fri, Apr 13, 2018 at 3:39 PM, Chengguang Xu <cgxu519@xxxxxxx> wrote: >> Some overlayfs mount options cannot be changed via remount, >> but current remount does not return error even if we specify >> different value to unchangeable options. >> >> This patch series adjust option parsing to support remount >> and return proper error message and code when recogonizing >> unchangeable options in remount. >> > > Surely, you have motivation beyond what is listed here. > Would be nice to list short and long term goals for changing > remount options. > > The series looks ok to me. > There is a question whether erroring on remount with changed > options is considered a regression to some applications. > I don't know how to answer that. > Does your use case *require* that remount will fail? > Would it be ok to ignore unchangeable options like today, > but warn about it? hmmm, some of our sysadmins get confused by the phenomenon of success remount without changing options. It’s obviously different compare to other filesystems but I think with proper explanation they can accept this and change their scripts. > > After Miklos approves the expected behavior, > please write xfstests to verify expected behavior. Sure, I’ll make a case to verify it. -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
