{"action":"created","issue":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3214","labels_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3214/labels{/name}","comments_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3214/comments","events_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3214/events","html_url":"https://github.com/zfsonlinux/zfs/pull/3214","id":63779437,"number":3214,"title":"Set the maximum ZVOL transfer size correctly","user":{"login":"dweeezil","id":1432005,"avatar_url":"https://avatars.githubusercontent.com/u/1432005?v=3","gravatar_id":"","url":"https://api.github.com/users/dweeezil","html_url":"https://github.com/dweeezil","followers_url":"https://api.github.com/users/dweeezil/followers","following_url":"https://api.github.com/users/dweeezil/following{/other_user}","gists_url":"https://api.github.com/users/dweeezil/gists{/gist_id}","starred_url":"https://api.github.com/users/dweeezil/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dweeezil/subscriptions","organizations_url":"https://api.github.com/users/dweeezil/orgs","repos_url":"https://api.github.com/users/dweeezil/repos","events_url":"https://api.github.com/users/dweeezil/events{/privacy}","received_events_url":"https://api.github.com/users/dweeezil/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/zfsonlinux/zfs/labels/Bug%20-%20Minor","name":"Bug - Minor","color":"e11d21"},{"url":"https://api.github.com/repos/zfsonlinux/zfs/labels/Difficulty%20-%20Medium","name":"Difficulty - Medium","color":"207de5"}],"state":"open","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/zfsonlinux/zfs/milestones/24","html_url":"https://github.com/zfsonlinux/zfs/milestones/0.6.4","labels_url":"https://api.github.com/repos/zfsonlinux/zfs/milestones/24/labels","id":175735,"number":24,"title":"0.6.4","description":"ZFS on Linux v0.6.4 - Functionality / Integration","creator":{"login":"behlendorf","id":148917,"avatar_url":"https://avatars.githubusercontent.com/u/148917?v=3","gravatar_id":"","url":"https://api.github.com/users/behlendorf","html_url":"https://github.com/behlendorf","followers_url":"https://api.github.com/users/behlendorf/followers","following_url":"https://api.github.com/users/behlendorf/following{/other_user}","gists_url":"https://api.github.com/users/behlendorf/gists{/gist_id}","starred_url":"https://api.github.com/users/behlendorf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/behlendorf/subscriptions","organizations_url":"https://api.github.com/users/behlendorf/orgs","repos_url":"https://api.github.com/users/behlendorf/repos","events_url":"https://api.github.com/users/behlendorf/events{/privacy}","received_events_url":"https://api.github.com/users/behlendorf/received_events","type":"User","site_admin":false},"open_issues":7,"closed_issues":416,"state":"open","created_at":"2012-09-16T18:38:17Z","updated_at":"2015-03-24T22:03:00Z","due_on":null,"closed_at":null},"comments":3,"created_at":"2015-03-23T17:16:04Z","updated_at":"2015-03-24T23:51:54Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/zfsonlinux/zfs/pulls/3214","html_url":"https://github.com/zfsonlinux/zfs/pull/3214","diff_url":"https://github.com/zfsonlinux/zfs/pull/3214.diff","patch_url":"https://github.com/zfsonlinux/zfs/pull/3214.patch"},"body":"ZoL had been setting max_sectors to UINT_MAX, but until Linux 3.19, it\r\nthe kernel artifically capped it at 1024 (BLK_DEF_MAX_SECTORS).\r\nThis cap was removed in torvalds/linux@34b48db.  This patch changes\r\nit to DMU_MAX_ACCESS (in sectors) and also changes the ASSERT in\r\ndmu_tx_hold_write() to allow the maximum transfer size."},"comment":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/comments/85743011","html_url":"https://github.com/zfsonlinux/zfs/pull/3214#issuecomment-85743011","issue_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3214","id":85743011,"user":{"login":"kernelOfTruth","id":4529709,"avatar_url":"https://avatars.githubusercontent.com/u/4529709?v=3","gravatar_id":"","url":"https://api.github.com/users/kernelOfTruth","html_url":"https://github.com/kernelOfTruth","followers_url":"https://api.github.com/users/kernelOfTruth/followers","following_url":"https://api.github.com/users/kernelOfTruth/following{/other_user}","gists_url":"https://api.github.com/users/kernelOfTruth/gists{/gist_id}","starred_url":"https://api.github.com/users/kernelOfTruth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kernelOfTruth/subscriptions","organizations_url":"https://api.github.com/users/kernelOfTruth/orgs","repos_url":"https://api.github.com/users/kernelOfTruth/repos","events_url":"https://api.github.com/users/kernelOfTruth/events{/privacy}","received_events_url":"https://api.github.com/users/kernelOfTruth/received_events","type":"User","site_admin":false},"created_at":"2015-03-24T23:51:54Z","updated_at":"2015-03-24T23:51:54Z","body":"https://lkml.org/lkml/2014/9/6/123\r\n\r\nwell it's unfortunate that all of the older kernels seem to be left in the dust with this since performance-enhancing change aren't backported\r\n\r\nperhaps Redhat, Suse, Oracle will backport this change (and related commits)"}}