Date: Sun, 06 May 2007 11:34:35 +0300 From: Danny Braniss <danny@cs.huji.ac.il> To: Daichi GOTO <daichi@freebsd.org> Cc: Stanislav Sedov <stas@FreeBSD.org>, Masanori OZAWA <ozawa@ongs.co.jp>, Craig Rodrigues <rodrigc@crodrigues.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org>, Ed Schouten <ed@fxq.nl>, freebsd-fs@freebsd.org, FreeBSD Current <freebsd-current@freebsd.org>, Kris Kennaway <kris@obsecurity.org> Subject: Re: [ANN] unionfs patchset-19-20070504 release, it is now MPSAFE and transparent mode as default Message-ID: <E1HkcCT-0004uW-76@cs1.cs.huji.ac.il>
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> Hi Guys > > It is my pleasure and honor to announce the availability of > the unionfs patchset-19-20070504. p19 is second patchset after > its merged of FreeBSD. Our improvements works of unionfs are > going step by step. p19 is milestone release. > > Patchset-19-20070504: > For 7-current > http://people.freebsd.org/~daichi/unionfs/unionfs-p19-20070504.diff > > For 6-stable > http://people.freebsd.org/~daichi/unionfs/unionfs6-p19-20070504.diff > > Changes in unionfs-p19-20070504.diff > - It has been became MPSAFE. > - Default copy mode has been changed from traditional-mode to > transparent-mode. Some folks who have reported some issues > have solved with transparent mode. We guess it is time to > change the default copy mode. The transparent-mode is the > best in most situations. > - Fixed kern/111262 issue. > - Added support of vfs_cache on unionfs. As a result, you > can use applications that use procfs on unionfs. > - Removed unionfs internal cache mechanism because it has > vfs_cache support instead. As a result, it just simplified > code of unionfs. > - Added whiteout behavior option. ``-o whiteout=always'' is > default mode(it is established practice) and > ``-o whiteout=whenneeded'' is less disk-space using mode > especially for resource restricted environments like embedded > environments. (Contributed by Ed Schouten. Thanks) > - Fixed a mtx lock issue happened with nullfs. > - Fixed lock issues around unionfs. > - Added NULL check code pointed out by Coverity. (Pointed out > by Stanislav Sedov. Thanks) > > The documents of those unionfs patches: > > http://people.freebsd.org/~daichi/unionfs/ (English) > http://people.freebsd.org/~daichi/unionfs/index-ja.html (Japanese) > > Request for Test: > > Unionfs lovers including FreeSBIE developers, ports cluster managers, > heavy memory-fs users and folks use unionfs, could you try p19 please? > > Merge plan: > > I have plan to commit unionfs-p19-20070504.diff to -current after > received unionfs users responses. > > Thanks > > P.S. > > I am going to join BSDCan 2007. Lets meet at Ottawa, Canada :) > > -- > Daichi GOTO, http://people.freebsd.org/~daichi Hi, So far I've tested it under -current, in my diskless env. where /etc & /compat/linux are unionfs'ed with a mfs, and so all seems OK. thanks, danny
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