06.08.2016 11:00, Peter Holm пишет: > You are right. Typing error. Sorry. > Here is from my bash_history. > > 1 btrfs su create is-this-a-bug > *2 btrfs su snap is-this-a-bug is-this-a-bug > *3 btrfs su snap is-this-a-bug /mnt/btrfs/sdc16-svid-5/ >
As I said, in my case it fails with "File exists" > *2.When snapshot is created with the same name as subvolume, then it > by default creates in the subdirectory of the subvolume. > *3. Mountpoint for he root (subvolid=5) volume > > Also I in the first post had a link to an photo from my terminal when > executing thoose commands. > https://s31.postimg.org/9f0d7xb7f/is_this_a_bug.png > > /Peter Holm > > > 2016-08-06 7:14 GMT+02:00, Andrei Borzenkov <arvidj...@gmail.com>: >> 05.08.2016 02:32, Peter Holm пишет: >>> 'btrfs subvolumee show' gives no path to btrfs system root (volid=5) >>> when snapshot is in the folder of subvolume. >>> >>> Step to reproduce. >>> 1.btrfs subvolume create xyz >>> 2.btrfs subvolume snapshot xyz xyz/xyz >>> 3.btrfs subvolume snapshot <mountpoint-for-btrfs-root>/xyz >> >> This last command is wrong - snapshot name is missing. If you mean >> >> btrfs subvolume snapshot <mountpoint-for-btrfs-root> xyz >> >> - I get "File exists" (assuming that all previous commands were with >> <mountpoint-for-ntrfs-root> as current directory. This is on openSUSE >> Tumbleweed with kernel 4.6.4-2 and btrfsprogs 4.6.1-1. >> >> If my assumption is wrong, please copy and paste exact commands used to >> reproduce it. >> >>> 4.btrfs subvolumme show xyz >>> output >>> ..... >>> Snapshot(s) >>> xyz >>> xyz >>> ..... >>> picture from my console reproducing this. Whatchout for my personal >>> fs-layout >>> my mountpoint for volid=5 is - as seen in the findmount command r at >>> top of the photo /mnt/btrfs/sdc16-svid-5 >>> https://s31.postimg.org/9f0d7xb7f/is_this_a_bug.png >>> >>> If that can add anything, same thing happends when rootvolume is >>> mounted by path. (for the moment it is mounted by volid). >>> /Peter Holm >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in >>> the body of a message to majord...@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> >> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
