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2010-08-13 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.5.0
* : The ChangeLog is being retired. Please use the git commit
logs for a full records of changes: 'git log --no-merges'
2010-05-21 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.9 - Use 'git log --no-merges' for full change log.
* : Build system improvements:
- Added support for the 'make -s' silent build option.
- Allow zfs_config.h to be included by dependent packages.
- Minor spec file updates.
- Minor build system message updates.
* : Topic branch cleanup. Several old branches were removed and
numerous hunks which were accidentaly commited to incorrect topic
branches in the past were relocated to the correct topic branch.
* *.c, *.h, *.sh, AUTHORS, COPYING, COPYRIGHT, DISCLAIMER, README:
Added standard header to source files which includes the copyright,
license, and author information. Additionally, updated the listed
top level files to the latest versions.
* cmd/zpool/zpool_vdev.c: Check all partitions with check_file()
even when no libblkid is found. This oversight would result in
ZFS not detecting existing filesystems on partitions.
* module/zfs/fm.c, module/zfs/zfs_fm, libzfs/libzfs_pool.c:
Added zevents which are similar to Solaris FMA support. The
existing FMA and sysevent call points in ZFS were unified in
to a single event type and used to create a user space visible
event notification system under Linux. The new 'zpool events'
command can be used to show all recent ZFS events.
* module/zfs/spa.c, module/zfs/zil.c: Suppress large memory
allocation warnings for two particular kmem_alloc()'s. For
now we can live with them as is but long term a way should be
found to perform small allocations or use the vmem based slab.
* module/zfs/zvol.c: Recreate volume and snapshot /dev links during
module load. Links in /dev for volumes/snapshots were only being
created at volume/snapshot creation time. Those links are now also
created dynamically at module load time based on the spa config.
* module/zfs/zvol.c, module/zfs/include/sys/blkdev.h: The handler
zvol_request() should use the unlocked version of blk_end_request()
to avoid a deadlock in the ZVOL.
2010-03-11 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.8 - Use 'git log --no-merges' for full change log.
* : Build system improvements:
- Remove Module.markers and Module.symver{s} in clean target.
- Improved kernel source detection when none specified.
- Fix RPM definitions for the unknown distro/installation.
- Check for spl in ../spl if not found in install path.
- Include all headers regardless of depth in packages.
- Allow recursive configure/make.
* lib/libzpool/kernel.c: Fixed several zdb bugs when opening a pool
- zdb wasn't getting the correct device size when the vdev is a
block device. In Solaris, fstat64() returns the device size but
in Linux an ioctl() is needed.
- make sure that we don't try to open a block device in write mode
from userspace. This shouldn't happen, because zdb opens devices
in read-only mode, and ztest only uses files.
* lib/libspl/include/umem.h: Add umem_alloc_aligned() and honor
cache_align field for umem cache. Under linux we open block devices
with O_DIRECT which means we must provide aligned memory buffers.
* lib/libzpool/kernel.c: Fix some incorrect error handling. In
vn_open(), if fstat64() returned an error, the real errno was being
obscured by calling close().
* scripts/*: Fix scripts to work when invoked from other directories.
* module/zfs/arc.c: Fix struct ht_lock padding in arc.c.
* lib/libefi/include/sys/uuid.h: Fix duplicate uuid_t typedef.
* module/zfs/txg.c: Use CPU percentages for number of commit cb
threads. This doesn't change number of threads in the kernel, but it
reduces number of threads in ztest (important due to 32-bit address
limitations).
* cmd/ztest/ztest.c: Clean up emulation of kernel threads in
userspace. Updated to use pthread thread specific data rather than
keeping a global list. This also fixes at least one easily
reproducible crash in ztest
* META, config/kernel.m4: Add configure check for kernel build
options which are incompatible with the license. If your building
against a kernel deemed incompatible configure will fail and
suggest how you should rebuild your kernel.
* config/kernel-fmode-t.m4: Linux 2.6.28 compat, add a check for the
fmode_t type. This typedef first appears in 2.6.28 kernels as part
of some block device operation reworking.
* module/zfs/dmu_send.c: No inline to keep dmu_recv_stream() stack
frame less than 1024 bytes. Recent builds against 2.6.31 flagged
dmu_recv_stream() as stack heavy. Further analysis of this function
should be performed to further reduce its stack usage.
* scripts/common.sh: Split the udev rule from a specific configuration
by providing a generic 60-zpool.rules file which uses a small helper
util 'zpool_id' to parse a configuration file by default located in
/etc/zfs/zdev.conf. The helper script maps a by-path udev name to a
more friendly name of <channel><rank> for large configurations.
Additionally, when running zpool-create.sh in-tree it will no longer
use udev because we would have to copy certain helper scripts in to
the installed system. To avoid this the config file in simply
parsed and symlinks are created in your working tree. The script
will use udev if it as run as part of an installed zfs-test package.
* module/zfs/zvol.c: Use check_disk_change() instead of
revalidate_disk(). For 2.6.27 kernels are earlier revalidate_disk()
was not available. However, check_disk_change() has been available
for far longer and will properly inform the kernel of the volume
change for both older and newer kernels.
* module/zfs/dmu.c: Fixed incorrect ASSERT3S() added by ZVOL.
* module/zfs/vdev_raidz.c, module/zfs/zvol.c: Minor fixes for 32-bit.
* scripts/zfs-update.sh, man/man8/*: Added man pages based on the
latest documentation and modified zfs-update.sh script to update them.
* .gitignore: Updated .gitignore rules to exclude build products.
2009-11-24 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.7 - Use 'git log --no-merges' for full change log.
* module/zcommon/include/sys/fs/zfs.h, module/zfs/include/sys/blkdev.h,
module/zfs/include/sys/dmu.h, module/zfs/dmu.c,
module/zfs/include/sys/zvol.h, module/zfs/zvol.c,
module/zfs/zfs_ioctl.c:
Added the ZVOL block device, with the addition of the ZVOL real ZFS
based block devices are available and can be compared head to head
with Linux's MD and LVM block drivers. The Linux ZVOL has not yet
had any performance work done but from a user perspective it should
be functionally complete and behave like any other Linux block device.
The ZVOL has so far been tested using zconfig.sh on the following
x86_64 based platforms: FC11, CHAOS4, RHEL5, RHEL6, and SLES11.
However, more testing is required to ensure everything is working
as designed.
* scripts/udev-rules/99-zpool.rules.promise,
scripts/zpool-config/promise-raid0-1x16.sh,
scripts/zpool-config/promise-raid10-8x2.sh,
scripts/zpool-config/promise-raidz-2x8.sh,
scripts/zpool-config/promise-raidz2-2x8.sh:
Additional test configurations for a small 16 drive JBOD.
* module/zfs/arc.c: Linux 2.6.31 compat, mutexes can now exceed 64
bytes depending on the the kernel build options. To account for
this increase the pad size to 256 bytes.
* module/zfs/vdev_disk.c: Linux 2.6.31 compat, to get the hard
sector size use bdev_logical_block_size() this function replaces
bdev_hardsect_size().
* module/zfs/zfs_rlock.c: Prevent gcc uninit compiler warning in
zfs_range_unlock_reader().
* Makefile.am: Ensure *.order and *.markers build products are
removed by distclean rule.
2009-11-02 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.6 - Use 'git log --no-merges' for full change log.
* Rebased to ZFS b121 from OpenSolaris.
* module/zfs/vdev_disk.c: Finally a feature complete implementation:
- Handle dynamic bio merge_bdev limitations when constructing the
bio set associated with a dio. This previously prevented us from
layering cleanly on the md and dm virtual devices.
- Removed hard coded 512 byte sector size.
- Correctly determine the device size when using a partition.
- Hold and extra dio reference when submitting bio's using
bio_submit() to prevent a completion race.
* lib/libefi/*: Added fully function libefi library from Solaris.
This allows us to properly create and access GPT style partition
tables which are used when a whole device is added to a zpool.
* cmd/zpool/zpool_vdev.c: Fully integrated zpool with Linux package
libblkid. This allows zpool to identify existing devices of
various types to prevent devices from accidentally being used. When
given a whole device with a GPT partition table all partitions will
be checked for existing filesystems. At the moment MBR style
partition tables cannot be check and the force option must be used.
* cmd/zpool/zpool_vdev.c: Solaris devid support has been removed in
favor of Linux's udev. This means that a zpool device will always be
opened using the path provided at configuration time. This may
initially seem limiting but it has certain advantages:
- When creating a zpool where the physical location of the device
is NOT import simply create the pool using the /dev/disk/by-id paths.
This will ensure that regardless of physical location the device
will be properly located.
- When creating a zpool where the physical location of the device
is important use the /dev/disk/by-path paths. This will ensure that
devices are never accidentally detected and used in an incorrect
location which would compromise the redundancy of the system.
- Ever better you can create use your own udev rules file to setup
any mapping and naming convention you desire. One example of a
custom rule is to map physical device locations using grid with
numbers are letter for coordinates. Each letter might represent
a specific bus/channel and each number a specific device. For large
configurations this provides an easy way to identify devices.
* module/zpios/zpios.c: Update to use kobject_set_name() for
increased portability.
* modules/*/*: Update module init/exit access points to use
spl_module_{init,exit}() macro API. This ensures the cwd is
immediately set to '/' and may be leveraged latter for any
additional module setup/cleanup which is required.
* cmd/ztest/ztest.c: Check ftrucate() return code to prevent
warnings when --fortify-source options is used in rpm builds.
* config/Rules.am: Set DEBUG/NDEBUG globally when building user
space components.
* scripts/zconfig.sh: Initial hook for running additional sanity
tests are part of 'make check'. Currently, there are only two
tests which do some basic configuration checking but they should
be extended as much as possible to prevent regressions. Tests
should also all be written so they run entirely in-tree.
* scripts/zpios-sanity.sh: Initial hook for validating real IO
using all block devices and all raid configurations. Supported
device types include scsi, ide, md, dm, ram, loop, and file.
Supported raid types include raid0, raid10, raidz, and raidz2.
* scripts/zpool-config/*: Update dragon and x4550 configs to use
custom udev rules file with <A-Z><1-N> naming convention. Add
configs for md, dm, and ram block devices to verify functionality.
* zfs-test.spec.in: Added zfs-test package which extends the existing
in-tree test infrastructure such that it can be run as part of an
installed package. This simplifies the testing of tagged releases.
* zfs-modules.spec.in: Various spec file tweaks for the supported
distros: RHEL5, RHEL6, SLES10, SLES11, Chaos4, Fedora 11.
2009-08-04 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.5 - Use 'git log --no-merges' for full change log.
* FC11 and SLES11 support: This includes all compatibility changes
to support 2.6.29 based kernels and the required build system
improvements.
* lib/libspl/asm-generic/atomic.c: Generic user space atomic support.
* module/zpios/zpios.c: Register a basic compat ioctl handler for
32-bit user vs 64-bit kernel compatibility. This is the default
build environment for all 64-bit SLES systems. Additionally
replace the use of 'struct timespec' which uses longs internally
and is therefore different sizes on 32-bit vs 64-bit objects with
'struct zpios_timespec_t'.a
* config/kernel.m4: Check arch/default path when detecting kernel
objects under SLES. We still preferentially use arch/arch if
available but if that fails it is acceptable to use default.
* config/kernel.m4: Remove LINUXINCLUDE from autoconf wrapper.
This breaks the 2.6.28+ kernels build system, all kernel build systems
at least post 2.6.16 will set this properly so we should not.
* lib/libspl/include/assert.h: Add ASSERTV macro to simplify removing
variables (the V in ASSERTV) which are only used in ASSERT().
Also revert all previously modified ASSERT()s to their original
definitions and use the ASSERTV macro to handle unused variables.
* module/zpios/zpios.c: Use spl device interfaces for portability.
* scripts/common.sh: The losetup -f option is unavailable for
SLES10 use the unused_loop_device() common function. Additionally
LOSETUP is now used to portably reference the losetup binary.
* module/zfs/vdev_disk.c: Unused destroy_dirty_buffers arg removed.
* module/zfs/vdev_disk.c: BIO_RW_SYNC renamed to BIO_RW_SYNCIO.
* module/zfs/vdev_disk.c: open/close_bdev_excl() renamed to
open/close_bdev_exclusive().
* module/zfs/vdev_disk.c: Empty write barriers are supported as of
linux 2.6.24 and are now used to implement DKIOCFLUSHWRITECACHE.
* module/zfs/vdev_disk.c: The bi_end_io API changes make partial
IO's impossible handle this case cleanly.
* module/zfs/vdev_disk.c: BIO_RW_FAILFAST replaced with
BIO_RW_FAILFAST_{DEV|_TRANSPORT|_DRIVER}, use the legacy
BIO_RW_FAILFAST flag if it exists for now.
* module/zfs/dmu_objset.c, module/zfs/spa_history.c: Excessively
large stack frames (>2048) were detected in dmu_objset_snapshot()
and spa_history_log() and were reduced by allocating from the heap.
* Rebased to ZFS b117 from OpenSolaris:
* module/zfs/dmu.c: Update zerocopy patch to be consistent with
new flags arg passed to dmu_read().
* module/zpios/zpios.c: Update zpios to be aware of the new flags
argument available in dmu_read(). Additionally add a zpios command
line flag to set the DMU_READ_NO_PREFETCH flag for a test.
* module/zfs/include/sys/zfs_context.h: Wrap new sysevent includes
until sysevent or something like it is implemented.
* module/zfs/zfs_ioctl.c: Wrap all the ACL interfaces with HAVE_ZPL.
They are integrated with the vfs layer which is not yet supported.
* module/zcommon/zfs_prop.c: Export new quota related symbols.
* lib/libzfs/libzfs_util.c: Increase buffer size for nvlist which
is needed for large configurations.
* Bug fixes:
* lib/libspl/include/sys/zfs_debug.h: Removed duplicate file.
* lib/libspl/include/sys/isa_defs.h: Fixed missing macro definitions
for little endian and big endian.
* cmd/zpios/zpios_main.c: Pretty-up the zpios 'make check' output.
* module/zfs/vdev_disk.c: Honor spa_mode() when opening block devs.
* module/zfs/vdev_disk.c: Initial error handling added to
vdev_disk_io_done() to revalidate the media on EIO.
* lib/libzfs/libzfs_util.c: Fix an accidentally introduced formatting
issue in zfs_nicenum() output.
2009-07-02 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.4 - Use 'git log --no-merges' for full change log.
* : Generic distro friendly build system / packaging improvements
for RPM based distros including CHAOS, RHEL, Fedora, and SLES.
These changes bring the zfs-0.4.4 tree in to compliance with
the spl-0.4.4 packaging changes. The bottom line is 2 source
rpms and 4 binary rpms will now be generated when creating
packages there will be:
zfs-<version>.src.rpm
- Fully rebuildable source rpm for libzfs and utils.
zfs-modules-<version>.src.rpm
- Fully rebuildable source rpm for kernel modules.
zfs-<version>.<arch>.rpm
- Binary rpm for libzfs and utils. The utils in this package are
compatible with all zfs-module rpms of the same version.
zfs-devel-<version>.<arch>.rpm
- Binary rpm containing headers for building against libzfs libraries.
zfs-modules-<verion>-<kernel>.arch.rpm
- Binary rpm containing the kernel modules for a specific kernel build.
The package name contains the kernel version and you should have one
of these packages installed to match every kernel on your system.
zfs-modules-devel-<verion>-<kernel>.arch.rpm
- Binary rpm containing development header and module symbols needed
for building additional kernel modules which are dependent on the
zfs module stack.
* : SLES9/10 distro support added: Several significant updates to
the build system were required to support this including:
- Autoconf macros updated to be aware of the standard install
locations for SLES kernel sources and build objects. Additionally
changes were made to support multiple names for Module{s}.symvers.
- By default on SLES all user space builds are 32-bit even on
64-bit arches. This means we need to be careful to pass -m64 in
the autoconf checks which probe the kernel. Additionally,
ioctl_compat handles still need to be added so 32-bit user
binarys can perform ioctls with the 64-bit kernel.
* : Powerpc64 support added:
- 64-bit user space atomic support for power64 was obtained from
an old version of OpenSolaris which offered minimal powerpc support.
The atomic support is not 100% fully implemented but it's a good
first step towards cleanly supporting the architecture.
- Added powerpc ISA type.
- Explicitly use signed char for portability. On x86/x86_64
systems the default char type is signed, on ppc/ppc64 systems
the default char type is unsigned.
- Core target arch support for conditional compilation of SUBDIRs.
Required by libspl for its arch specific atomic implementations.
* COPYRIGHT: Readded accidentally dropped COPYRIGHT, it just
references the OPENSOLARIS.LICENSE which was still in the project.
* module/zfs/dmu_tx.c: Add EXPORT_SYMBOL(dmu_tx_callback_register).
* config/user-zlib.m4: Add basic zlib autoconf check for user space.
2009-03-20 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.3 - Use 'git log --no-merges' for full change log.
* : Rebased to ZFS b108 from OpenSolaris
* configure.ac, *Makefile.am: Build system update. This includes
resolving various build issues and adding support for the remaining
common build targets. Available targets now include:
- make all # Build everything
- make install # Install everything
- make clean # Clean up build products
- make distclean # Clean up everything
- make dist # Create package tarball
- make srpm # Create package source RPM
- make rpm # Create package binary RPMs
- make tags # Create ctags and etags for everything
Extra care was taken to ensure that the source RPMs are fully
rebuildable against Fedora/RHEL/Chaos kernels. To build binary
RPMs from the source RPM for your system simply run:
rpmbuild --rebuild zfs-x.y.z-1.src.rpm
This will produce two binary RPMs with correct 'requires'
dependencies for your kernel. One will contain all zfs modules
and support utilities, the other is a devel package for compiling
additional kernel modules which are dependent on the zfs.
zfs-x.y.z-1_<kernel version>.x86_64.rpm
zfs-devel-x.y.2-1_<kernel version>.x86_64.rpm
* config/kernel.m4, config/Rules.am: Removed the build options
-Wno-unused -Wno-missing -Wno-unused -Wno-parentheses and
-Wno-unknown-pragmas. All upstream warnings which were being
suppressed by these options are now handled in the matching
gcc-* topic branch.
* zpios: Various zpios and test infrastructure improvements.
* feature-commit-cb: New feature commit callbacks.
* : Various bug fixes which are more clearly detailed in the
git commit logs. For a detailed summary of changes post version
0.4.2, check out the 'top' topic branch and view the commit logs.
git checkout top
git log --no-merges -53
2009-02-05 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.2
* lib/libzfs/libzfs_util.c: Remove mknod() this is now handled by
by the SPL with an upcall even without GPL-only symbols.
* module/zfs/vdev_diskc: Updated linux vdev_disk interfaces to issue
multiple bios if needed due to the maximum request size being smaller
than the request size passed down from the spa.
* scripts/zpool-config/lo-*: Add loopback based test configs.
2009-01-21 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.1
* : Rebased to ZFS b105 from OpenSolaris
* : Restructured project and build system to more closely
mirror the code organization used in OpenSolaris. This
allows us minimize the changes to upstream source needed,
and allows concurrent user+kernel space builds of all components.
2008-11-19 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.4.0
* : ZFS project migrated from Subversion which leveraged a
quilt based patch stack to Git and a TopGit managed patch
stack. The new method treats all patches as Git branches
which can be more easily shared for distributed development.
Consult the top level GIT file for detailed information on
how to properly develop for this package using Git+TopGit.
2008-11-12 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.3.4
* zfs-07-create-dev-zfs.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Make libzfs create /dev/zfs if it doesn't exist.
* zfs-05-check-zvol-size.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Properly check zvol size under Linux.
* zfs-04-no-openat-fdopendir.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Do not use openat() and fdopendir() since they are not available
on older systems.
* zfs-03-fix-bio-sync.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Fix memory corruption in RHEL4 due to synchronous IO becoming
asynchronous.
2008-11-06 Brian Behlendorf <behlendorf1@llnl.gov>
* zfs-02-zpios-fix-stuck-thread-memleak.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Fix stuck threads and memory leaks when errors occur while writing.
* zfs-01-zpios-arg-corruption.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Fix zpios cmd line argument corruption problem.
* zfs-00-minor-fixes.patch:
Ricardo M. Correia <Ricardo.M.Correia@sun.com>
- Minor build system improvements
- Minor script improvements
- Create a full copy and not a link tree with quilt
- ZPIOS_MAJOR changed from 231 to 232
- BIO_RW_BARRIER flag removed from IO request
2008-06-30 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.3.3
* : Minor script updates and tweaks to be compatible with
the latest version of the SPL.
2008-06-13 Brian Behlendorf <behlendorf1@llnl.gov>
* vdev_disk.diff: Replace vdev_disk implementation which was
based on the kmalloc'ed logical address space with a version
which works with vmalloc'ed memory in the virtual address space.
This was done to support the new SPL slab implementation which
is based on virtual addresses to avoid the need for contigeously
allocated memory.
2008-06-05 Brian Behlendorf <behlendorf1@llnl.gov>
* arc-vm-integration.diff: Reduce maximum default arc memory
usage to 1/4 of total system memory. Because all the bulk data
is still allocated on the slab memory fragmentation is a serious
concern. To address this in the short term we simply need to
leave lots of free memory.
* fix-stack.diff: First step towards reducing stack usage so
we can run the full ZFS stack using a stock kernel.
2008-06-04 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.3.2
* : Extensive improvements to the build system to detect kernel
API changes so we can flexibly build with a wider range of kernel
versions. The code has now been testing with the 2.6.18-32chaos
and 2.6.25.3-18.fc9 kernels, however we should also be compatible
with other kernels in the range of 2.6.18-2.6.25. The only
remaining issue preventing us from running with a stock
kernel is ZFS stack usage.
2008-05-21 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.3.1
* : License headers including URCL added for release.
2008-05-21 Brian Behlendorf <behlendorf1@llnl.gov>
* : Tag zfs-0.3.0
* configure.ac: Improved autotools support and configurable debug.
2008-05-15 Brian Behlendorf <behlendorf1@llnl.gov>
* : Updating original ZFS sources to build 89 which
includes the new write throttling changes plus support
for using ZFS as your root device. Neither of which
will work exactly right without some more work but this
gets us much closers to the latest source.
2008-02-28 Brian Behlendorf <behlendorf1@llnl.gov>
* : First attempt based on SPL module and zfs-lustre sources
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