{"action":"created","issue":{"url":"https://api.github.com/repos/docker/docker/issues/12324","labels_url":"https://api.github.com/repos/docker/docker/issues/12324/labels{/name}","comments_url":"https://api.github.com/repos/docker/docker/issues/12324/comments","events_url":"https://api.github.com/repos/docker/docker/issues/12324/events","html_url":"https://github.com/docker/docker/issues/12324","id":68037278,"number":12324,"title":"File System Recognition","user":{"login":"UserTaken","id":8722625,"avatar_url":"https://avatars.githubusercontent.com/u/8722625?v=3","gravatar_id":"","url":"https://api.github.com/users/UserTaken","html_url":"https://github.com/UserTaken","followers_url":"https://api.github.com/users/UserTaken/followers","following_url":"https://api.github.com/users/UserTaken/following{/other_user}","gists_url":"https://api.github.com/users/UserTaken/gists{/gist_id}","starred_url":"https://api.github.com/users/UserTaken/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/UserTaken/subscriptions","organizations_url":"https://api.github.com/users/UserTaken/orgs","repos_url":"https://api.github.com/users/UserTaken/repos","events_url":"https://api.github.com/users/UserTaken/events{/privacy}","received_events_url":"https://api.github.com/users/UserTaken/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-04-13T08:13:08Z","updated_at":"2015-04-13T19:53:35Z","closed_at":null,"body":"I've been testing the somewhat recently merged OverlayFS on a variety of filesystems when I noticed that `docker info` only recognizes `Ext2/3/4` and `ReiserFS`. Using `XFS`, `F2FS`, or `JFS` will result in `Backing Filesystem: <unknown>` although Docker seems to still works as normal as far as I can tell.\r\n\r\n```\r\n$ docker version\r\nClient version: 1.5.0\r\nClient API version: 1.17\r\nGo version (client): go1.4.1\r\nGit commit (client): a8a31ef\r\nOS/Arch (client): linux/amd64\r\nServer version: 1.5.0\r\nServer API version: 1.17\r\nGo version (server): go1.4.1\r\nGit commit (server): a8a31ef\r\n```"},"comment":{"url":"https://api.github.com/repos/docker/docker/issues/comments/92478527","html_url":"https://github.com/docker/docker/issues/12324#issuecomment-92478527","issue_url":"https://api.github.com/repos/docker/docker/issues/12324","id":92478527,"user":{"login":"estesp","id":1397980,"avatar_url":"https://avatars.githubusercontent.com/u/1397980?v=3","gravatar_id":"","url":"https://api.github.com/users/estesp","html_url":"https://github.com/estesp","followers_url":"https://api.github.com/users/estesp/followers","following_url":"https://api.github.com/users/estesp/following{/other_user}","gists_url":"https://api.github.com/users/estesp/gists{/gist_id}","starred_url":"https://api.github.com/users/estesp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/estesp/subscriptions","organizations_url":"https://api.github.com/users/estesp/orgs","repos_url":"https://api.github.com/users/estesp/repos","events_url":"https://api.github.com/users/estesp/events{/privacy}","received_events_url":"https://api.github.com/users/estesp/received_events","type":"User","site_admin":false},"created_at":"2015-04-13T19:53:35Z","updated_at":"2015-04-13T19:53:35Z","body":"correct, it's probably good to add more known filesystems, but won't actually impact Docker runtime at all. We can add f2fs and jfs logging to backing filesystems."}}