{"action":"created","comment":{"url":"https://api.github.com/repos/keybase/kbfs/pulls/comments/69329819","id":69329819,"diff_hunk":"@@ -0,0 +1,222 @@\n+// Copyright 2016 Keybase Inc. All rights reserved.\n+// Use of this source code is governed by a BSD\n+// license that can be found in the LICENSE file.\n+\n+package libkbfs\n+\n+import (\n+\t\"fmt\"\n+\t\"io/ioutil\"\n+\t\"os\"\n+\t\"path/filepath\"\n+\t\"reflect\"\n+\t\"strconv\"\n+)\n+\n+// diskJournal stores an ordered list of entries.\n+//\n+// The directory layout looks like:\n+//\n+// dir/EARLIEST\n+// dir/LATEST\n+// dir/0...000\n+// dir/0...001\n+// dir/0...fff\n+//\n+// Each file in dir is named with an ordinal and contains a generic\n+// serializable entry object. The files EARLIEST and LATEST point to\n+// the earliest and latest valid ordinal, respectively.\n+//\n+// TODO: Do all high-level operations atomically on the file-system","path":"libkbfs/disk_journal.go","position":30,"original_position":30,"commit_id":"2456f6537e0d2de977ad3e7ae4231cc8e1574c66","original_commit_id":"2456f6537e0d2de977ad3e7ae4231cc8e1574c66","user":{"login":"strib","id":8516691,"avatar_url":"https://avatars.githubusercontent.com/u/8516691?v=3","gravatar_id":"","url":"https://api.github.com/users/strib","html_url":"https://github.com/strib","followers_url":"https://api.github.com/users/strib/followers","following_url":"https://api.github.com/users/strib/following{/other_user}","gists_url":"https://api.github.com/users/strib/gists{/gist_id}","starred_url":"https://api.github.com/users/strib/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/strib/subscriptions","organizations_url":"https://api.github.com/users/strib/orgs","repos_url":"https://api.github.com/users/strib/repos","events_url":"https://api.github.com/users/strib/events{/privacy}","received_events_url":"https://api.github.com/users/strib/received_events","type":"User","site_admin":false},"body":"It looks like you're depending on higher-level synchronization to make sure no two entries get the same ordinal -- even use atomic file system operations won't help that.  That's fine, but can you please add a comment about that assumption?","created_at":"2016-07-01T17:13:35Z","updated_at":"2016-07-01T17:13:35Z","html_url":"https://github.com/keybase/kbfs/pull/99#discussion_r69329819","pull_request_url":"https://api.github.com/repos/keybase/kbfs/pulls/99","_links":{"self":{"href":"https://api.github.com/repos/keybase/kbfs/pulls/comments/69329819"},"html":{"href":"https://github.com/keybase/kbfs/pull/99#discussion_r69329819"},"pull_request":{"href":"https://api.github.com/repos/keybase/kbfs/pulls/99"}}},"pull_request":{"url":"https://api.github.com/repos/keybase/kbfs/pulls/99","id":75582602,"html_url":"https://github.com/keybase/kbfs/pull/99","diff_url":"https://github.com/keybase/kbfs/pull/99.diff","patch_url":"https://github.com/keybase/kbfs/pull/99.patch","issue_url":"https://api.github.com/repos/keybase/kbfs/issues/99","number":99,"state":"open","locked":false,"title":"[KBFS-1098] Have per-branch journals for MDServerDisk","user":{"login":"akalin-keybase","id":13270622,"avatar_url":"https://avatars.githubusercontent.com/u/13270622?v=3","gravatar_id":"","url":"https://api.github.com/users/akalin-keybase","html_url":"https://github.com/akalin-keybase","followers_url":"https://api.github.com/users/akalin-keybase/followers","following_url":"https://api.github.com/users/akalin-keybase/following{/other_user}","gists_url":"https://api.github.com/users/akalin-keybase/gists{/gist_id}","starred_url":"https://api.github.com/users/akalin-keybase/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/akalin-keybase/subscriptions","organizations_url":"https://api.github.com/users/akalin-keybase/orgs","repos_url":"https://api.github.com/users/akalin-keybase/repos","events_url":"https://api.github.com/users/akalin-keybase/events{/privacy}","received_events_url":"https://api.github.com/users/akalin-keybase/received_events","type":"User","site_admin":false},"body":"Also pull out some 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type.","created_at":"2016-06-29T03:13:15Z","updated_at":"2016-07-01T17:13:35Z","closed_at":null,"merged_at":null,"merge_commit_sha":"db69df89042e2b6730adee8ae9827a5a89dffa14","assignee":{"login":"strib","id":8516691,"avatar_url":"https://avatars.githubusercontent.com/u/8516691?v=3","gravatar_id":"","url":"https://api.github.com/users/strib","html_url":"https://github.com/strib","followers_url":"https://api.github.com/users/strib/followers","following_url":"https://api.github.com/users/strib/following{/other_user}","gists_url":"https://api.github.com/users/strib/gists{/gist_id}","starred_url":"https://api.github.com/users/strib/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/strib/subscriptions","organizations_url":"https://api.github.com/users/strib/orgs","repos_url":"https://api.github.com/users/strib/repos","events_url":"https://api.github.com/users/strib/events{/privacy}","received_events_url":"https://api.github.com/users/strib/received_events","type":"User","site_admin":false},"assignees":[{"login":"strib","id":8516691,"avatar_url":"https://avatars.githubusercontent.com/u/8516691?v=3","gravatar_id":"","url":"https://api.github.com/users/strib","html_url":"https://github.com/strib","followers_url":"https://api.github.com/users/strib/followers","following_url":"https://api.github.com/users/strib/following{/other_user}","gists_url":"https://api.github.com/users/strib/gists{/gist_id}","starred_url":"https://api.github.com/users/strib/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/strib/subscriptions","organizations_url":"https://api.github.com/users/strib/orgs","repos_url":"https://api.github.com/users/strib/repos","events_url":"https://api.github.com/users/strib/events{/privacy}","received_events_url":"https://api.github.com/users/strib/received_events","type":"User","site_admin":false}],"milestone":null,"commits_url":"https://api.github.com/repos/keybase/kbfs/pulls/99/commits","review_comments_url":"https://api.github.com/repos/keybase/kbfs/pulls/99/comments","review_comment_url":"https://api.github.com/repos/keybase/kbfs/pulls/comments{/number}","comments_url":"https://api.github.com/repos/keybase/kbfs/issues/99/comments","statuses_url":"https://api.github.com/repos/keybase/kbfs/statuses/2456f6537e0d2de977ad3e7ae4231cc8e1574c66","head":{"label":"keybase:akalin/mdserver-disk-journal","ref":"akalin/mdserver-disk-journal","sha":"2456f6537e0d2de977ad3e7ae4231cc8e1574c66","user":{"login":"keybase","id":5400834,"avatar_url":"https://avatars.githubusercontent.com/u/5400834?v=3","gravatar_id":"","url":"https://api.github.com/users/keybase","html_url":"https://github.com/keybase","followers_url":"https://api.github.com/users/keybase/followers","following_url":"https://api.github.com/users/keybase/following{/other_user}","gists_url":"https://api.github.com/users/keybase/gists{/gist_id}","starred_url":"https://api.github.com/users/keybase/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/keybase/subscriptions","organizations_url":"https://api.github.com/users/keybase/orgs","repos_url":"https://api.github.com/users/keybase/repos","events_url":"https://api.github.com/users/keybase/events{/privacy}","received_events_url":"https://api.github.com/users/keybase/received_events","type":"Organization","site_admin":false},"repo":{"id":59787605,"name":"kbfs","full_name":"keybase/kbfs","owner":{"login":"keybase","id":5400834,"avatar_url":"https://avatars.githubusercontent.com/u/5400834?v=3","gravatar_id":"","url":"https://api.github.com/users/keybase","html_url":"https://github.com/keybase","followers_url":"https://api.github.com/users/keybase/followers","following_url":"https://api.github.com/users/keybase/following{/other_user}","gists_url":"https://api.github.com/users/keybase/gists{/gist_id}","starred_url":"https://api.github.com/users/keybase/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/keybase/subscriptions","organizations_url":"https://api.github.com/users/keybase/orgs","repos_url":"https://api.github.com/users/keybase/repos","events_url":"https://api.github.com/users/keybase/events{/privacy}","received_events_url":"https://api.github.com/users/keybase/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/keybase/kbfs","description":"Keybase 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