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The zfs package supports the option --with-config=srpm which is used to bootstrap configure to allow the 'make srpm' target to work. This has the advantage of allowing creation of source rpms without having all your -devel packages installed. This source package can then be feed back in to an automated build farm which only installs the required packages listed by the srpm. This ensures that all proper dependencies are expressed by the source package, because if they are not you will get configure/build failures. The trouble here is that --with-config=srpm prevents the architecture check from running resulting in TARGET_ASM_DIR being set to the default asm-generic. The 'make dist' rule then fails because there is no asm-generic/atomic.S file because it is generated at build time. To handle this I have added an empty file asm-generic/atomic.S simply as a place holder for 'make dist'.
Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!
To build packages for your distribution, first build and install the SPL packages http://wiki.github.com/behlendorf/spl/ then:
$ ./configure $ make pkg
Full documentation for building, configuring, and using ZFS can be found at: http://wiki.github.com/behlendorf/zfs/