Hi Zhangyi, Thanks for your kind explanation! > Sent: Wednesday, March 14, 2018 at 4:38 PM > From: "zhangyi (F)" <yi.zhang@xxxxxxxxxx> > To: "Chengguang Xu" <cgxu519@xxxxxxx> > Cc: overlayfs <linux-unionfs@xxxxxxxxxxxxxxx> > Subject: Re: Question about the condition of fsck.overlay > > Hi Chengguang, > > On 2018/3/14 15:20, Chengguang Xu Wrote: > > Hi Zhangyi, > > > > Please let me ask a simple question about fsck.overlay, > > is it possible to run any kernel version of overlayfs? > > > > No, current fsck.overlay can recognize whiteout/redirect_dir/impure > xattr feature only, it don't know index and nfs_export features. So, > if run current version of fsck.overlay on overlayfs which was mounted > with index=on or nfs_export=on, if cannot guarantee the relationship > between dirs/files in indexdir and upper dir, so may lead to > inconsistency in indexdir. > > This drawback will be addressed through introduce overlay feature > set as Amir suggested, I will post it soon and maybe write a NOTE > or BUG in README is better before everything is done. > > > I know some advanced features are only implemented in high > > kernel version, I just want to make sure if the common check > > and repair functions are available for 4.4 kernel? Any conditions? > > > > Yes, I think current fsck.overlay can support <= 4.12 kernel well(not > check origin xattr, but not harmful), it can support overlayfs without > index dir. > > Thanks, > Yi. > > -- > 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 > -- 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
