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* Illumos 4757, 4913Matthew Ahrens2014-08-011-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 4757 ZFS embedded-data block pointers ("zero block compression") 4913 zfs release should not be subject to space checks Reviewed by: Adam Leventhal <[email protected]> Reviewed by: Max Grossman <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Christopher Siden <[email protected]> Reviewed by: Dan McDonald <[email protected]> Approved by: Dan McDonald <[email protected]> References: https://www.illumos.org/issues/4757 https://www.illumos.org/issues/4913 https://github.com/illumos/illumos-gate/commit/5d7b4d4 Porting notes: For compatibility with the fastpath code the zio_done() function needed to be updated. Because embedded-data block pointers do not require DVAs to be allocated the associated vdevs will not be marked and therefore should not be unmarked. Ported by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2544
* Illumos 4368, 4369.Matthew Ahrens2014-07-291-1/+5
| | | | | | | | | | | | | | | | | 4369 implement zfs bookmarks 4368 zfs send filesystems from readonly pools Reviewed by: Christopher Siden <[email protected]> Reviewed by: George Wilson <[email protected]> Approved by: Garrett D'Amore <[email protected]> References: https://www.illumos.org/issues/4369 https://www.illumos.org/issues/4368 https://github.com/illumos/illumos-gate/commit/78f1710 Ported by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2530
* Replace zpool_events_next() "block" parm w/ "flags"Chris Dunlap2014-03-311-1/+2
| | | | | | | | | | | | | | | | | | | | | zpool_events_next() can be called in blocking mode by specifying a non-zero value for the "block" parameter. However, the design of the ZFS Event Daemon (zed) requires additional functionality from zpool_events_next(). Instead of adding additional arguments to the function, it makes more sense to use flags that can be bitwise-or'd together. This commit replaces the zpool_events_next() int "block" parameter with an unsigned bitwise "flags" parameter. It also defines ZEVENT_NONE to specify the default behavior. Since non-blocking mode can be specified with the existing ZEVENT_NONBLOCK flag, the default behavior becomes blocking mode. This, in effect, inverts the previous use of the "block" parameter. Existing callers of zpool_events_next() have been modified to check for the ZEVENT_NONBLOCK flag. Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2
* Add zpool_events_seek() functionalityBrian Behlendorf2014-03-311-0/+1
| | | | | | | | | | | | | The ZFS_IOC_EVENTS_SEEK ioctl was added to allow user space callers to seek around the zevent file descriptor by EID. When a specific EID is passed and it exists the cursor will be positioned there. If the EID is no longer cached by the kernel ENOENT is returned. The caller may also pass ZEVENT_SEEK_START or ZEVENT_SEEK_END to seek to those respective locations. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Chris Dunlap <[email protected]> Issue #2
* Add generic errata infrastructureBrian Behlendorf2014-02-211-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From time to time it may be necessary to inform the pool administrator about an errata which impacts their pool. These errata will by shown to the administrator through the 'zpool status' and 'zpool import' output as appropriate. The errata must clearly describe the issue detected, how the pool is impacted, and what action should be taken to resolve the situation. Additional information for each errata will be provided at http://zfsonlinux.org/msg/ZFS-8000-ER. To accomplish the above this patch adds the required infrastructure to allow the kernel modules to notify the utilities that an errata has been detected. This is done through the ZPOOL_CONFIG_ERRATA uint64_t which has been added to the pool configuration nvlist. To add a new errata the following changes must be made: * A new errata identifier must be assigned by adding a new enum value to the zpool_errata_t type. New enums must be added to the end to preserve the existing ordering. * Code must be added to detect the issue. This does not strictly need to be done at pool import time but doing so will make the errata visible in 'zpool import' as well as 'zpool status'. Once detected the spa->spa_errata member should be set to the new enum. * If possible code should be added to clear the spa->spa_errata member once the errata has been resolved. * The show_import() and status_callback() functions must be updated to include an informational message describing the errata. This should include an action message describing what an administrator should do to address the errata. * The documentation at http://zfsonlinux.org/msg/ZFS-8000-ER must be updated to describe the errata. This space can be used to provide as much additional information as needed to fully describe the errata. A link to this documentation will be automatically generated in the output of 'zpool import' and 'zpool status'. Original-idea-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Tim Chase <[email protected]> Signed-off-by: Richard Yao <[email protected] Issue #2094
* Illumos #2583Yuri Pankov2013-11-211-2/+3
| | | | | | | | | | | | 2583 Add -p (parsable) option to zfs list References: https://www.illumos.org/issues/2583 illumos/illumos-gate@43d68d68c1ce08fb35026bebfb141af422e7082e Ported-by: Gregor Kopka <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes: #937
* Illumos #3740Steven Hartland2013-11-041-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3740 Poor ZFS send / receive performance due to snapshot hold / release processing Reviewed by: Matthew Ahrens <[email protected]> Approved by: Christopher Siden <[email protected]> References: https://www.illumos.org/issues/3740 illumos/illumos-gate@a7a845e4bf22fd1b2a284729ccd95c7370a0438c Ported-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1775 Porting notes: 1. 13fe019870c8779bf2f5b3ff731b512cf89133ef introduced a merge conflict in dsl_dataset_user_release_tmp where some variables were moved outside of the preprocessor directive. 2. dea9dfefdd747534b3846845629d2200f0616dad made the previous merge conflict worse by switching KM_SLEEP to KM_PUSHPAGE. This is notable because this commit refactors the code, adding a new KM_SLEEP allocation. It is not clear to me whether this should be converted to KM_PUSHPAGE. 3. We had a merge conflict in libzfs_sendrecv.c because of copyright notices. 4. Several small C99 compatibility fixed were made.
* Introduce zpool_get_prop_literal interfaceRalf Ertzinger2013-10-281-0/+2
| | | | | | | | | | | | | | | | | | | | | This change introduces zpool_get_prop_literal. It's an expanded version of zpool_get_prop taking one additional boolean parameter. With this parameter set to B_FALSE it will behave identically to zpool_get_prop. Setting it to B_TRUE will return full precision numbers for the following properties: ZPOOL_PROP_SIZE ZPOOL_PROP_ALLOCATED ZPOOL_PROP_FREE ZPOOL_PROP_FREEING ZPOOL_PROP_EXPANDSZ ZPOOL_PROP_ASHIFT Also introduced is a wrapper function for zpool_get_prop making it use zpool_get_prop_literal in the background. Signed-off-by: Brian Behlendorf <[email protected]> Issue #1813
* Increase default udev wait timeBrian Behlendorf2013-10-221-0/+5
| | | | | | | | | | | | | | | | | | When creating a new pool, or adding/replacing a disk in an existing pool, partition tables will be automatically created on the devices. Under normal circumstances it will take less than a second for udev to create the expected device files under /dev/. However, it has been observed that if the system is doing heavy IO concurrently udev may take far longer. If you also throw in some cheap dodgy hardware it may take even longer. To prevent zpool commands from failing due to this the default wait time for udev is being increased to 30 seconds. This will have no impact on normal usage, the increase timeout should only be noticed if your udev rules are incorrectly configured. Signed-off-by: Brian Behlendorf <[email protected]> Closes #1646
* Illumos #3464Matthew Ahrens2013-09-041-3/+3
| | | | | | | | | | | | | | | | | 3464 zfs synctask code needs restructuring Reviewed by: Dan Kimmel <[email protected]> Reviewed by: Adam Leventhal <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Christopher Siden <[email protected]> Approved by: Garrett D'Amore <[email protected]> References: https://www.illumos.org/issues/3464 illumos/illumos-gate@3b2aab18808792cbd248a12f1edf139b89833c13 Ported-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1495
* Illumos #2882, #2883, #2900Matthew Ahrens2013-09-041-11/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2882 implement libzfs_core 2883 changing "canmount" property to "on" should not always remount dataset 2900 "zfs snapshot" should be able to create multiple, arbitrary snapshots at once Reviewed by: George Wilson <[email protected]> Reviewed by: Chris Siden <[email protected]> Reviewed by: Garrett D'Amore <[email protected]> Reviewed by: Bill Pijewski <[email protected]> Reviewed by: Dan Kruchinin <[email protected]> Approved by: Eric Schrock <[email protected]> References: https://www.illumos.org/issues/2882 https://www.illumos.org/issues/2883 https://www.illumos.org/issues/2900 illumos/illumos-gate@4445fffbbb1ea25fd0e9ea68b9380dd7a6709025 Ported-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1293 Porting notes: WARNING: This patch changes the user/kernel ABI. That means that the zfs/zpool utilities built from master are NOT compatible with the 0.6.2 kernel modules. Ensure you load the matching kernel modules from master after updating the utilities. Otherwise the zfs/zpool commands will be unable to interact with your pool and you will see errors similar to the following: $ zpool list failed to read pool configuration: bad address no pools available $ zfs list no datasets available Add zvol minor device creation to the new zfs_snapshot_nvl function. Remove the logging of the "release" operation in dsl_dataset_user_release_sync(). The logging caused a null dereference because ds->ds_dir is zeroed in dsl_dataset_destroy_sync() and the logging functions try to get the ds name via the dsl_dataset_name() function. I've got no idea why this particular code would have worked in Illumos. This code has subsequently been completely reworked in Illumos commit 3b2aab1 (3464 zfs synctask code needs restructuring). Squash some "may be used uninitialized" warning/erorrs. Fix some printf format warnings for %lld and %llu. Apply a few spa_writeable() changes that were made to Illumos in illumos/illumos-gate.git@cd1c8b8 as part of the 3112, 3113, 3114 and 3115 fixes. Add a missing call to fnvlist_free(nvl) in log_internal() that was added in Illumos to fix issue 3085 but couldn't be ported to ZoL at the time (zfsonlinux/zfs@9e11c73) because it depended on future work.
* Add FreeBSD 'zpool labelclear' commandDmitry Khasanov2013-07-091-0/+1
| | | | | | | | | | | | | The FreeBSD implementation of zfs adds the 'zpool labelclear' command. Since this functionality is helpful and straight forward to add it is being included in ZoL. References: freebsd/freebsd@119a041dc9230275239a8de68c534c0754181e7e Ported-by: Dmitry Khasanov <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1126
* Retire zpool_id infrastructureBrian Behlendorf2013-01-291-1/+1
| | | | | | | | | | | | | | | | | | | In the interest of maintaining only one udev helper to give vdevs user friendly names, the zpool_id and zpool_layout infrastructure is being retired. They are superseded by vdev_id which incorporates all the previous functionality. Documentation for the new vdev_id(8) helper and its configuration file, vdev_id.conf(5), can be found in their respective man pages. Several useful example files are installed under /etc/zfs/. /etc/zfs/vdev_id.conf.alias.example /etc/zfs/vdev_id.conf.multipath.example /etc/zfs/vdev_id.conf.sas_direct.example /etc/zfs/vdev_id.conf.sas_switch.example Signed-off-by: Brian Behlendorf <[email protected]> Closes #981
* Illumos #2762: zpool command should have better support for feature flagsChristopher Siden2013-01-081-1/+2
| | | | | | | | | | | | | 2762 zpool command should have better support for feature flags Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Approved by: Eric Schrock <[email protected]> References: illumos/illumos-gate@57221772c3fc05faba04bf48ddff45abf2bbf2bd https://www.illumos.org/issues/2762 Ported-by: Brian Behlendorf <[email protected]>
* Illumos #2619 and #2747Christopher Siden2013-01-081-0/+22
| | | | | | | | | | | | | | | | | | | | | | 2619 asynchronous destruction of ZFS file systems 2747 SPA versioning with zfs feature flags Reviewed by: Matt Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Richard Lowe <[email protected]> Reviewed by: Dan Kruchinin <[email protected]> Approved by: Eric Schrock <[email protected]> References: illumos/illumos-gate@53089ab7c84db6fb76c16ca50076c147cda11757 illumos/illumos-gate@ad135b5d644628e791c3188a6ecbd9c257961ef8 illumos changeset: 13700:2889e2596bd6 https://www.illumos.org/issues/2619 https://www.illumos.org/issues/2747 NOTE: The grub specific changes were not ported. This change must be made to the Linux grub packages. Ported-by: Brian Behlendorf <[email protected]>
* Allow 'zpool replace' to use short device namesBrian Behlendorf2012-10-221-16/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'zpool replace' command would fail when given a short name because unlike on other platforms the short name cannot be deterministically expanded to a single path. Multiple path prefixes must be checked and in addition the partition suffix for whole disks is determined by the prefix. To handle this complexity a zfs_strcmp_pathname() function was added which takes either a short or fully qualified device name. Short names will be expanded using the prefixes in the default import search path, or the ZPOOL_IMPORT_PATH environment variable if it's defined. All posible expansions are then compared against the comparison path. Care is taken to strip redundant slashes to ensure legitimate matches are not missed. In the context of this work the existing zfs_resolve_shortname() function was extended to consider the ZPOOL_IMPORT_PATH when set. The zfs_append_partition() interface was also simplified to take only a single buffer. The vast majority of these changes rework existing Linux specific code which was originally written to accomidate udev. However, there is some minimal cleanup which removes Illumos specific code. This was done to improve readability but the basic flow and intent of the upstream code was maintained. These changes are the logical conclusion of the previos work to adjust the 'zpool import' search behavior, see commit 44867b6a. Signed-off-by: Brian Behlendorf <[email protected]> Closes #544 Closes #976
* Illumos #2703: add mechanism to report ZFS send progressBill Pijewski2012-09-191-0/+4
| | | | | | | | | | | | | Reviewed by: Matt Ahrens <[email protected]> Reviewed by: Robert Mustacchi <[email protected]> Reviewed by: Richard Lowe <[email protected]> Approved by: Eric Schrock <[email protected]> References: https://www.illumos.org/issues/2703 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Illumos #1948: zpool list should show more detailed pool infoChris Siden2012-09-191-1/+2
| | | | | | | | | | | | | | | | | | Reviewed by: Adam Leventhal <[email protected]> Reviewed by: Matt Ahrens <[email protected]> Reviewed by: Eric Schrock <[email protected]> Reviewed by: Richard Lowe <[email protected]> Reviewed by: Albert Lee <[email protected]> Reviewed by: Dan McDonald <[email protected]> Reviewed by: Garrett D'Amore <[email protected]> Approved by: Eric Schrock <[email protected]> References: https://www.illumos.org/issues/1948 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #685
* Illumos #2635: 'zfs rename -f' to perform force unmountEric Schrock2012-08-231-1/+1
| | | | | | | | | | | | | | | Reviewed by: Matt Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Bill Pijewski <[email protected]> Reviewed by: Richard Elling <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/2635 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #717
* Illumos #1644, #1645, #1646, #1647, #1708Matthew Ahrens2012-07-311-18/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1644 add ZFS "clones" property 1645 add ZFS "written" and "written@..." properties 1646 "zfs send" should estimate size of stream 1647 "zfs destroy" should determine space reclaimed by destroying multiple snapshots 1708 adjust size of zpool history data References: https://www.illumos.org/issues/1644 https://www.illumos.org/issues/1645 https://www.illumos.org/issues/1646 https://www.illumos.org/issues/1647 https://www.illumos.org/issues/1708 This commit modifies the user to kernel space ioctl ABI. Extra care should be taken when updating to ensure both the kernel modules and utilities are updated. This change has reordered all of the new ioctl()s to the end of the list. This should help minimize this issue in the future. Reviewed by: Richard Lowe <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Albert Lee <[email protected]> Approved by: Garrett D'Amore <[email protected]> Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #826 Closes #664
* Illumos #1748: desire support for reguid in zfsGarrett D'Amore2012-07-111-1/+3
| | | | | | | | | | | | | | | | | | | | | | Reviewed by: George Wilson <[email protected]> Reviewed by: Igor Kozhukhov <[email protected]> Reviewed by: Alexander Eremin <[email protected]> Reviewed by: Alexander Stetsenko <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/1748 This commit modifies the user to kernel space ioctl ABI. Extra care should be taken when updating to ensure both the kernel modules and utilities are updated. If only the user space component is updated both the 'zpool events' command and the 'zpool reguid' command will not work until the kernel modules are updated. Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #665
* Speed up 'zfs list -t snapshot -o name -s name'Pawel Jakub Dawidek2012-06-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FreeBSD #xxx: Dramatically optimize listing snapshots when user requests only snapshot names and wants to sort them by name, ie. when executes: # zfs list -t snapshot -o name -s name Because only name is needed we don't have to read all snapshot properties. Below you can find how long does it take to list 34509 snapshots from a single disk pool before and after this change with cold and warm cache: before: # time zfs list -t snapshot -o name -s name > /dev/null cold cache: 525s warm cache: 218s after: # time zfs list -t snapshot -o name -s name > /dev/null cold cache: 1.7s warm cache: 1.1s NOTE: This patch only appears in FreeBSD. If/when Illumos picks up the change we may want to drop this patch and adopt their version. However, for now this addresses a real issue. Ported-by: Brian Behlendorf <[email protected]> Issue #450
* Illumos #278: get rid zfs of python and pyzfs dependenciesAlexander Stetsenko2011-08-011-2/+7
| | | | | | | | | | | | | | | | | | | | | Remove all python and pyzfs dependencies for consistency and to ensure full functionality even in a mimimalist environment. Reviewed by: [email protected] Reviewed by: [email protected] Reviewed by: [email protected] Reviewed by: [email protected] Approved by: [email protected] References to Illumos issue and patch: - https://www.illumos.org/issues/278 - https://github.com/illumos/illumos-gate/commit/1af68beac3 Signed-off-by: Brian Behlendorf <[email protected]> Issue #340 Issue #160 Signed-off-by: Brian Behlendorf <[email protected]>
* Linux compat 2.6.39: mount_nodev()Brian Behlendorf2011-07-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The .get_sb callback has been replaced by a .mount callback in the file_system_type structure. When using the new interface the caller must now use the mount_nodev() helper. Unfortunately, the new interface no longer passes the vfsmount down to the zfs layers. This poses a problem for the existing implementation because we currently save this pointer in the super block for latter use. It provides our only entry point in to the namespace layer for manipulating certain mount options. This needed to be done originally to allow commands like 'zfs set atime=off tank' to work properly. It also allowed me to keep more of the original Solaris code unmodified. Under Solaris there is a 1-to-1 mapping between a mount point and a file system so this is a fairly natural thing to do. However, under Linux they many be multiple entries in the namespace which reference the same filesystem. Thus keeping a back reference from the filesystem to the namespace is complicated. Rather than introduce some ugly hack to get the vfsmount and continue as before. I'm leveraging this API change to update the ZFS code to do things in a more natural way for Linux. This has the upside that is resolves the compatibility issue for the long term and fixes several other minor bugs which have been reported. This commit updates the code to remove this vfsmount back reference entirely. All modifications to filesystem mount options are now passed in to the kernel via a '-o remount'. This is the expected Linux mechanism and allows the namespace to properly handle any options which apply to it before passing them on to the file system itself. Aside from fixing the compatibility issue, removing the vfsmount has had the benefit of simplifying the code. This change which fairly involved has turned out nicely. Closes #246 Closes #217 Closes #187 Closes #248 Closes #231
* Print mount/umount errorsBrian Behlendorf2011-03-091-1/+4
| | | | | | | | | | | | | | | | Because we are dependent of the system mount/umount utilities to ensure correct mtab locking, we should not suppress their error output. During a successful mount/umount they will be silent, but during a failure the error message they print is the only sure way to know why a mount failed. This is because the (u)mount(8) return code does not contain the result of the system call issued. The only way to clearly idenify why thing failed is to rely on the error message printed by the tool. Longer term once libmount is available we can issue the mount/umount system calls within the tool and still be ensured correct mtab locking. Closed #107
* Open up libzfs_run_process/libzfs_load_moduleBrian Behlendorf2011-01-281-0/+6
| | | | | | | Recently helper functions were added to libzfs_util to load a kernel module or execute a process. Initially this functionality was limited to libzfs but it has become clear there will be other consumers. This change opens up the interface so it may be used where appropriate.
* Add helper functions for manipulating device namesNed Bass2010-10-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This change adds two helper functions for working with vdev names and paths. zfs_resolve_shortname() resolves a shorthand vdev name to an absolute path of a file in /dev, /dev/disk/by-id, /dev/disk/by-label, /dev/disk/by-path, /dev/disk/by-uuid, /dev/disk/zpool. This was previously done only in the function is_shorthand_path(), but we need a general helper function to implement shorthand names for additional zpool subcommands like remove. is_shorthand_path() is accordingly updated to call the helper function. There is a minor change in the way zfs_resolve_shortname() tests if a file exists. is_shorthand_path() effectively used open() and stat64() to test for file existence, since its scope includes testing if a device is a whole disk and collecting file status information. zfs_resolve_shortname(), on the other hand, only uses access() to test for existence and leaves it to the caller to perform any additional file operations. This seemed like the most general and lightweight approach, and still preserves the semantics of is_shorthand_path(). zfs_append_partition() appends a partition suffix to a device path. This should be used to generate the name of a whole disk as it is stored in the vdev label. The user-visible names of whole disks do not contain the partition information, while the name in the vdev label does. The code was lifted from the function make_disks(), which now just calls the helper function. Again, having a helper function to do this supports general handling of shorthand names in the user interface. Signed-off-by: Brian Behlendorf <[email protected]>
* Support custom build directories and move includesBrian Behlendorf2010-09-081-0/+716
One of the neat tricks an autoconf style project is capable of is allow configurion/building in a directory other than the source directory. The major advantage to this is that you can build the project various different ways while making changes in a single source tree. For example, this project is designed to work on various different Linux distributions each of which work slightly differently. This means that changes need to verified on each of those supported distributions perferably before the change is committed to the public git repo. Using nfs and custom build directories makes this much easier. I now have a single source tree in nfs mounted on several different systems each running a supported distribution. When I make a change to the source base I suspect may break things I can concurrently build from the same source on all the systems each in their own subdirectory. wget -c http://github.com/downloads/behlendorf/zfs/zfs-x.y.z.tar.gz tar -xzf zfs-x.y.z.tar.gz cd zfs-x-y-z ------------------------- run concurrently ---------------------- <ubuntu system> <fedora system> <debian system> <rhel6 system> mkdir ubuntu mkdir fedora mkdir debian mkdir rhel6 cd ubuntu cd fedora cd debian cd rhel6 ../configure ../configure ../configure ../configure make make make make make check make check make check make check This change also moves many of the include headers from individual incude/sys directories under the modules directory in to a single top level include directory. This has the advantage of making the build rules cleaner and logically it makes a bit more sense.
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