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OpenZFS on Linux and FreeBSD
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Brian Behlendorf 0c5dde492f Allow multiple values per directory entry 
When using zfs to back a Lustre filesystem it's advantageous to
to store a fid with the object id in the directory zap.  The only
technical impediment to doing this is that the zpl code expects
a single value in the zap per directory entry.

This change relaxes that requirement such that multiple entries
are allowed provided the first one is the object id.  The zpl
code will just ignore additional entries.  This allows the ZoL
count to mount datasets which are being used as Lustre server
backends.

Once the upstream feature flags support is merged in this change
should be updated to a read-only feature.  Until this occurs
other zfs implementations will not be able to read the zfs
filesystems created by Lustre.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
 		2012-02-02 11:22:08 -08:00
cmd Combine libraries: spl, avl, efi, share, unicode. 2012-01-17 15:19:50 -08:00
config Add the release component to headers 2012-01-18 12:19:47 -08:00
dracut Linux 3.1 compat, super_block->s_shrink 2012-01-11 11:46:02 -08:00
etc Linux 3.1 compat, super_block->s_shrink 2012-01-11 11:46:02 -08:00
include Add the release component to headers 2012-01-18 12:19:47 -08:00
lib Ignore dataset if the dds_type is DMU_OST_OTHER 2012-01-19 09:29:48 -08:00
man Linux 3.1 compat, super_block->s_shrink 2012-01-11 11:46:02 -08:00
module Allow multiple values per directory entry 2012-02-02 11:22:08 -08:00
patches Add build system 2010-08-31 13:41:27 -07:00
scripts Linux 3.1 compat, super_block->s_shrink 2012-01-11 11:46:02 -08:00
udev Linux 3.1 compat, super_block->s_shrink 2012-01-11 11:46:02 -08:00
.gitignore Ignore unsigned module build products 2010-03-09 14:14:09 -08:00
AUTHORS Add "ashift" property to zpool create 2011-06-17 16:35:49 -07:00
COPYING Relocate COPYING+COPYRIGHT, remove README cruft 2008-12-01 15:34:53 -08:00
COPYRIGHT Update COPYRIGHT to reference zpios CDDL exceptions. 2010-05-18 14:25:28 -07:00
ChangeLog Add build system 2010-08-31 13:41:27 -07:00
DISCLAIMER Update COPYRIGHT and DISCLAIMER. 2010-05-18 10:32:23 -07:00
META Prep zfs-0.6.0-rc6 tag 2011-10-06 14:10:45 -07:00
Makefile.am Add the release component to headers 2012-01-18 12:19:47 -08:00
Makefile.in Add the release component to headers 2012-01-18 12:19:47 -08:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
PKGBUILD-zfs-modules.in Add make rule for building Arch Linux packages 2011-12-14 19:14:23 -08:00
PKGBUILD-zfs.in Add make rule for building Arch Linux packages 2011-12-14 19:14:23 -08:00
README.markdown Fix markdown rendering 2010-09-15 09:09:37 -07:00
ZFS.RELEASE Update to onnv_147 2010-08-26 14:24:34 -07:00
autogen.sh Make autogen.sh executable 2011-07-26 10:15:35 -07:00
configure Add the release component to headers 2012-01-18 12:19:47 -08:00
configure.ac Add make rule for building Arch Linux packages 2011-12-14 19:14:23 -08:00
zfs-modules.spec.in Fix rpm dependencies 2012-01-18 12:19:52 -08:00
zfs-script-config.sh.in Unconditionally load core kernel modules 2010-11-11 11:38:25 -08:00
zfs.spec.in Fix rpm dependencies 2012-01-18 12:19:52 -08:00
zfs_config.h.in Linux 3.2 compat, security_inode_init_security() 2012-01-12 15:06:39 -08:00

README.markdown

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!

$ ./configure
$ make pkg

Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org