Date: Sat, 17 Oct 2015 10:34:59 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Bryan Drewery <bdrewery@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r289415 - in head: . sys/sys Message-ID: <5621FA23.4030202@FreeBSD.org> In-Reply-To: <5621413C.1090904@FreeBSD.org> References: <201510160857.t9G8vBUV051731@repo.freebsd.org> <56213F23.7000909@FreeBSD.org> <5621413C.1090904@FreeBSD.org>
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On 16.10.2015 21:26, Alexander Motin wrote: > On 16.10.2015 21:17, Bryan Drewery wrote: >> On 10/16/2015 1:57 AM, Alexander Motin wrote: >>> Author: mav >>> Date: Fri Oct 16 08:57:11 2015 >>> New Revision: 289415 >>> URL: https://svnweb.freebsd.org/changeset/base/289415 >>> >>> Log: >>> Bump version and add notice about incompatibility introduced by resumable >>> send/receive support in ZFS. >>> >>> Modified: >>> head/UPDATING >>> head/sys/sys/param.h >>> >>> Modified: head/UPDATING >>> ============================================================================== >>> --- head/UPDATING Fri Oct 16 08:22:21 2015 (r289414) >>> +++ head/UPDATING Fri Oct 16 08:57:11 2015 (r289415) >>> @@ -31,6 +31,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11 >>> disable the most expensive debugging functionality run >>> "ln -s 'abort:false,junk:false' /etc/malloc.conf".) >>> >>> +20151015: >>> + Added ZFS support for resumable send/receive changed respective >>> + IOCTL API/ABI. Compatibility ABI shims were provided for other >>> + functionality, while receive require version match between world >>> + and kernel. >> >> This means for example that 'zfs recv' in a 10.2 jail running on a 11.0 >> kernel will not work? Can compatibility be added for it? > > The structures passed as argument for receive are large and completely > different. Unfortunately I don't know enough about that code to say > whether new one can be forged from the old one. I'll take another look, > but can not promise anything. My first thought I was wrong. r289445 should fix compatibility. -- Alexander Motin
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