Date: Tue, 5 Apr 2011 23:12:42 +0800 From: gnehzuil gnehzuil <gnehzuil@gmail.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: [gsoc] HTree Directory Index and Journal in ext2fs Message-ID: <BANLkTi=NXj_BDDS3c5cbdQKQomLMjoErtA@mail.gmail.com> In-Reply-To: <inf93r$5ih$1@dough.gmane.org> References: <4D9B1DC2.1050205@gmail.com> <inf93r$5ih$1@dough.gmane.org>
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2011/4/5 Ivan Voras <ivoras@freebsd.org> > On 05/04/2011 15:48, gnehzuil wrote: > >> Hello, >> >> I would like to apply a new project "HTree Directory Index and Journal >> in ext2fs" in GSoC 2011. This project is not in ideas page. But this >> project can improve ext2fs in FreeBSD. >> >> Last year, I have participated GSoC 2010 and have implemented a >> preallocation algorithm in ext2fs and make it can read ext4 file system >> in read-only mode. I have try to read htree dir index in ext4 read-only >> mode. Yet I don't finish it. I am plan to implement a htree dir index in >> ext2fs before midterm evaluation. >> >> Next I will try to implement journal in ext2fs. I think I can borrow >> some ideas from WAPBL in NetBSD. >> > > When you say 'journal in ext2fs' do you mean ext3-compatible or something > different entirely? I don't think that a journalling addition to our ext2fs > which would not make it compatible with ext3 would be useful. > IMHO, I want to add a ext3-compatible journal. In previously discussion, Pedro and I have mentioned WAPBL and its performance is awesome. So I want to look at it and maybe I can borrow some good ideas. > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > -- Liu Zheng gnehzuil@gmail.com CNU NetLab Tsinghua CSCW
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