Date: Fri, 15 Mar 2002 08:03:43 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Christoph Hellwig <hch@caldera.de> Cc: AQUAMAN <yoatl@yahoo.com>, freebsd-fs@FreeBSD.ORG Subject: Re: filesystems compatibility Message-ID: <3C921B5F.E19B89CD@mindspring.com> References: <20020312185747.98993.qmail@web13305.mail.yahoo.com> <3C8E72A3.6E9CBC6F@mindspring.com> <20020314183219.A28415@caldera.de> <3C9114DA.5A2D0591@mindspring.com> <20020315110059.A32509@caldera.de>
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Christoph Hellwig wrote: > So all support revision 1 filesystems, no compat flag, the incompatible > 4.4BSD-style dirent and sparse superblocks. Linux 2.2/2.4 support > large files and compatiblity for the never released (!) btree directory > support. The Linux ext3 driver also supports filesystems that need a > log replay - for other drivers this will already be cleared by a fsck run. By the way, in case it wasn't implicitly obvious: thanks for the research. I was pretty sure that the gating factor would be either the Mandrake or the FreeBSD EXT2FS features. I guess the answer (which we already knew) is that he's going to have to use the most downrev of the three to implement the EXT2FS support, though I'm still not clear if that's FreeBSD or one of the Linux versions he's running. Is it possible to create an EXT2FS with the lowest common denominator on a modern Linux by specifying the right command line arguments to the FS creation tool under Linux? It's been quite a while since I've done other than look over Linux kernel code (I used to contribute fixes for things like memory leaks in the path component lookup failure case, via a friend of mine with more influence over there, and that was about 3 years ago; I still read the kernel, but have stopped reading the userland). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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