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Brian Behlendorf e8fd45a0f9 Add ddt_object_count() error handling 
The interface for the ddt_zap_count() function assumes it can
never fail.  However, internally ddt_zap_count() is implemented
with zap_count() which can potentially fail.  Now because there
was no way to return the error to the caller a VERIFY was used
to ensure this case never happens.

Unfortunately, it has been observed that pools can be damaged in
such a way that zap_count() fails.  The result is that the pool can
not be imported without hitting the VERIFY and crashing the system.

This patch reworks ddt_object_count() so the error can be safely
caught and returned to the caller.  This allows a pool which has
be damaged in this way to be safely rewound for import.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #910
2012-10-29 08:57:45 -07:00
cmd Add ddt_object_count() error handling 2012-10-29 08:57:45 -07:00
config Linux 3.6 compat, iops->mkdir() 2012-10-14 15:29:26 -07:00
dracut Remove autotools products 2012-08-27 11:47:44 -07:00
etc Remove autotools products 2012-08-27 11:47:44 -07:00
include Add ddt_object_count() error handling 2012-10-29 08:57:45 -07:00
lib Update spare and cache device names on import 2012-10-22 08:46:02 -07:00
man zfs.8: add missing info about dedup, mlslabel 2012-10-09 09:54:16 -07:00
module Add ddt_object_count() error handling 2012-10-29 08:57:45 -07:00
patches Adding grub2 mkconfig support patch 2012-07-30 16:17:23 -07:00
scripts Do not return /dev/loop-control in unused_loop_device 2012-10-15 10:02:42 -07:00
udev Remove autotools products 2012-08-27 11:47:44 -07:00
.gitignore Remove autotools products 2012-09-11 10:15:13 -07:00
AUTHORS Add "ashift" property to zpool create 2011-06-17 16:35:49 -07:00
autogen.sh Remove autotools products 2012-08-27 11:47:44 -07:00
ChangeLog Add build system 2010-08-31 13:41:27 -07:00
configure.ac Add zstreamdump(8) command to examine ZFS send streams. 2012-09-02 14:54:27 -07:00
copy-builtin Consistent menuconfig name 2012-08-26 13:49:37 -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
DISCLAIMER Update COPYRIGHT and DISCLAIMER. 2010-05-18 10:32:23 -07:00
dkms.conf.in Support building a zfs-modules-dkms sub package 2012-08-08 15:21:01 -07:00
dkms.postinst Support building a zfs-modules-dkms sub package 2012-08-08 15:21:01 -07:00
Makefile.am Add copy-builtin to EXTRA_DIST 2012-08-23 09:50:00 -07:00
META zfs-0.6.0-rc11 2012-09-18 11:30:24 -07:00
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 Add script for builtin module building. 2012-07-26 13:45:09 -07:00
zfs-modules.spec.in Cleanly remove zfs-modules-devel headers 2012-08-13 16:35:26 -07:00
zfs-script-config.sh.in Unconditionally load core kernel modules 2010-11-11 11:38:25 -08:00
ZFS.RELEASE Update to onnv_147 2010-08-26 14:24:34 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00
zfs.spec.in Fix man page installation path 2012-08-10 15:32:30 -07:00

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

To copy the kernel code inside your kernel source tree for builtin compilation:

$ ./configure --enable-linux-builtin --with-linux=/usr/src/linux-...
$ ./copy-builtin /usr/src/linux-...

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