OpenZFS on Linux and FreeBSD
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Tim Chase 73fd1f4656 Don't perform ACL-to-mode translation on empty ACL
In zfs_acl_chown_setattr(), the zfs_mode_comput() function is used to
create a traditional mode value based on an ACL.  If no ACL exists, this
processing shouldn't be done.  Problems caused by this were most evident
on version 4 filesystems which not only don't have system attributes,
and also frequently have empty ACLs. On such filesystems, performing a
chown() operation could have the effect of dirtying the mode bits in
memory but not on the file system as follows:

	# create a file with typical mode of 664
	echo test > test
	chown anyuser test
	ls -l test

and the mode will show up as all zeroes.  Unmounting/mounting and/or
exporting/importing the filesystem will reveal the proper mode again.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1264
2014-12-22 16:31:51 -08:00
cmd Only automatically mount a clone when 'canmount == on'. 2014-06-06 12:30:35 -07:00
config Accept udev and dracut paths specified by ./configure 2014-06-11 16:32:57 -07:00
dracut Refresh dracut module setup 2013-03-21 12:51:06 -07:00
etc Do not export pool to prevent cache from been removed 2014-06-05 13:49:15 -07:00
include Export symbols for ZIL interface 2014-12-22 16:14:30 -08:00
lib Fix memory leak in zpool_clear_label() 2014-05-30 17:00:37 -07:00
man Document the -X and -T options to 'zpool import' 2014-06-06 15:49:34 -07:00
module Don't perform ACL-to-mode translation on empty ACL 2014-12-22 16:31:51 -08:00
patches Adding grub2 mkconfig support patch 2012-07-30 16:17:23 -07:00
rpm Tag zfs-0.6.3 2014-06-12 13:34:38 -07:00
scripts Point dkms build at installed source tree, rather than build directory. 2014-10-09 13:56:04 -07:00
udev Open pools asynchronously after module load 2013-07-03 09:24:38 -07:00
.gitignore Ignore *.{deb,rpm,tar.gz} files in the top directory. 2013-04-24 16:18:59 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.nogitrelease Tag zfs-0.6.3-1.1 2014-10-09 14:07:58 -07:00
AUTHORS Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
COPYRIGHT Refresh links to web site 2013-03-06 15:46:41 -08:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
META Tag zfs-0.6.3-1.1 2014-10-09 14:07:58 -07:00
Makefile.am cstyle: Exclude several files from 'make checkstyle' 2013-12-18 16:46:35 -08:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Initial implementation of zed (ZFS Event Daemon) 2014-04-02 13:10:03 -07:00
copy-builtin Consistent menuconfig name 2012-08-26 13:49:37 -07:00
zfs-script-config.sh.in Initial implementation of zed (ZFS Event Daemon) 2014-04-02 13:10:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

Native ZFS for Linux!

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.

Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org