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* Add `zfs allow` and `zfs unallow` supportBrian Behlendorf2016-06-071-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ZFS allows for specific permissions to be delegated to normal users with the `zfs allow` and `zfs unallow` commands. In addition, non- privileged users should be able to run all of the following commands: * zpool [list | iostat | status | get] * zfs [list | get] Historically this functionality was not available on Linux. In order to add it the secpolicy_* functions needed to be implemented and mapped to the equivalent Linux capability. Only then could the permissions on the `/dev/zfs` be relaxed and the internal ZFS permission checks used. Even with this change some limitations remain. Under Linux only the root user is allowed to modify the namespace (unless it's a private namespace). This means the mount, mountpoint, canmount, unmount, and remount delegations cannot be supported with the existing code. It may be possible to add this functionality in the future. This functionality was validated with the cli_user and delegation test cases from the ZFS Test Suite. These tests exhaustively verify each of the supported permissions which can be delegated and ensures only an authorized user can perform it. Two minor bug fixes were required for test-running.py. First, the Timer() object cannot be safely created in a `try:` block when there is an unconditional `finally` block which references it. Second, when running as a normal user also check for scripts using the both the .ksh and .sh suffixes. Finally, existing users who are simulating delegations by setting group permissions on the /dev/zfs device should revert that customization when updating to a version with this change. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #362 Closes #434 Closes #4100 Closes #4394 Closes #4410 Closes #4487
* Illumos 6659 - nvlist_free(NULL) is a no-opJosef 'Jeff' Sipek2016-04-271-2/+1
| | | | | | | | | | | | | | | 6659 nvlist_free(NULL) is a no-op Reviewed by: Toomas Soome <[email protected]> Reviewed by: Marcel Telka <[email protected]> Approved by: Robert Mustacchi <[email protected]> References: https://www.illumos.org/issues/6659 https://github.com/illumos/illumos-gate/commit/aab83bb Ported-by: David Quigley <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4566
* zfs_main: fix `zfs userspace` squashing unresolved entriesPavel Boldin2016-03-301-4/+7
| | | | | | | | | | | | | | The `zfs userspace` squashes all entries with unresolved numeric values into a single output entry due to the comparsion always made by the string name which is empty in case of unresolved IDs. Fix this by falling to a numerical comparison when either one of string values is not found. This then compares any numerical values after all with a name resolved. Signed-off-by: Pavel Boldin <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4440
* Cleanup linkingRichard Yao2016-03-181-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed during code review of zfsonlinux/zfs#4385 that the author of a commit had peppered the various Makefile.am files with `$(TIRPC_LIBS)` when putting it into `lib/libspl/Makefile.am` should have sufficed. Upon further examination, it seems that he had copied what we do with `$(ZLIB)`. We also have a bit of that with `-ldl` too. Unfortunately, what we do is wrong, so lets fix it to set a good example for future contributors. In addition, we have multiple `-lz` and `-luuid` passed to the compiler because each `AC_CHECK_LIB` adds it to `$LIBS`. That is somewhat annoying to see, so we switch to `AC_SEARCH_LIBS` to avoid it. This is consistent with the recommendation to use `AC_SEARCH_LIBS` over `AC_CHECK_LIB` by autotools upstream: https://www.gnu.org/software/autoconf/manual/autoconf-2.66/html_node/Libraries.html In an ideal world, this would translate into improvements in ELF's `DT_NEEDED` entries, but that is not the case because of a couple of bugs in libtool. The first bug causes libtool to overlink by using static link dependencies for dynamic linking: https://wiki.mageia.org/en/Overlinking_issues_in_packaging#libtool_issues The workaround for this should be to pass `-Wl,--as-needed` in `LDFLAGS`. That leads us to the second bug, where libtool passes `LDFLAGS` after the libraries are specified and `ld` will only honor `--as-needed` on libraries specified before it: https://sigquit.wordpress.com/2011/02/16/why-asneeded-doesnt-work-as-expected-for-your-libraries-on-your-autotools-project/ There are a few possible workarounds for the second bug. One is to either patch the compiler spec file to specify `-Wl,--as-needed` or pass `-Wl,--as-needed` via `CC` like `CC='gcc -Wl,--as-needed'` so that it is specified early. Another is to patch ltmain.sh like Gentoo does: https://gitweb.gentoo.org/repo/gentoo.git/tree/eclass/ELT-patches/as-needed Without one of those workarounds, this cleanup provides no benefit in terms of `DT_NEEDED` entry generation. It should still be an improvement because it nicely simplifies the code while encouraging good habits when patching autotools scripts. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4426
* Illumos 6298 - zfs_create_008_neg and zpool_create_023_negJoe Stein2016-01-151-2/+4
| | | | | | | | | | | | | | | 6298 zfs_create_008_neg and zpool_create_023_neg need to be updated for large block support Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: John Kennedy <[email protected]> Approved by: Robert Mustacchi <[email protected]> References: https://www.illumos.org/issues/6298 https://github.com/illumos/illumos-gate/commit/e9316f7 Ported-by: Brian Behlendorf <[email protected]> Closes #4217
* Illumos 3557, 3558, 3559, 3560George Wilson2016-01-151-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | 3557 dumpvp_size is not updated correctly when a dump zvol's size is changed 3558 setting the volsize on a dump device does not return back ENOSPC 3559 setting a volsize larger than the space available sometimes succeeds 3560 dumpadm should be able to remove a dump device Reviewed by: Adam Leventhal <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Christopher Siden <[email protected]> Approved by: Albert Lee <[email protected]> References: https://www.illumos.org/issues/3559 https://github.com/illumos/illumos-gate/commit/c61ea56 Porting notes: - Internal zvol.c changes not applied due to implementation differences. The external interface and behavior was already consistent with the latest upstream code. - Retired 2.6.28 HAVE_CHECK_DISK_SIZE_CHANGE configure check. All supported kernels (2.6.32 and newer) provide this interface. Ported-by: Brian Behlendorf <[email protected]> Closes #4217
* Illumos 5960, 5925Paul Dagnelie2016-01-081-6/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5960 zfs recv should prefetch indirect blocks 5925 zfs receive -o origin= Reviewed by: Prakash Surya <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> References: https://www.illumos.org/issues/5960 https://www.illumos.org/issues/5925 https://github.com/illumos/illumos-gate/commit/a2cdcdd Porting notes: - [lib/libzfs/libzfs_sendrecv.c] - b8864a2 Fix gcc cast warnings - 325f023 Add linux kernel device support - 5c3f61e Increase Linux pipe buffer size on 'zfs receive' - [module/zfs/zfs_vnops.c] - 3558fd7 Prototype/structure update for Linux - c12e3a5 Restructure zfs_readdir() to fix regressions - [module/zfs/zvol.c] - Function @zvol_map_block() isn't needed in ZoL - 9965059 Prefetch start and end of volumes - [module/zfs/dmu.c] - Fixed ISO C90 - mixed declarations and code - Function dmu_prefetch() 'int i' is initialized before the following code block (c90 vs. c99) - [module/zfs/dbuf.c] - fc5bb51 Fix stack dbuf_hold_impl() - 9b67f60 Illumos 4757, 4913 - 34229a2 Reduce stack usage for recursive traverse_visitbp() - [module/zfs/dmu_send.c] - Fixed ISO C90 - mixed declarations and code - b58986e Use large stacks when available - 241b541 Illumos 5959 - clean up per-dataset feature count code - 77aef6f Use vmem_alloc() for nvlists - 00b4602 Add linux kernel memory support Ported-by: kernelOfTruth [email protected] Signed-off-by: Brian Behlendorf <[email protected]>
* Illumos 2077 - lots of unreachable breaks in illumos gateMilan Jurik2015-12-301-3/+3
| | | | | | | | | | | | | | | | | 2077 lots of unreachable breaks in illumos gate Reviewed by: Dan McDonald <[email protected]> Reviewed by: Garrett D'Amore <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/2077 https://github.com/illumos/illumos-gate/commit/33f5ff1 Porting notes: - Only one file of the original patch applied to ZFS - Minor formating change to align copyright block with upstream Ported-by: Brian Behlendorf <[email protected]>
* Illumos 5745 - zfs set allows only one dataset property to be set at a timeChris Williamson2015-12-291-34/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5745 zfs set allows only one dataset property to be set at a time Reviewed by: Christopher Siden <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Bayard Bell <[email protected]> Reviewed by: Richard PALO <[email protected]> Reviewed by: Steven Hartland <[email protected]> Approved by: Rich Lowe <[email protected]> References: https://www.illumos.org/issues/5745 https://github.com/illumos/illumos-gate/commit/3092556 Porting notes: - Fix the missing braces around initializer, zfs_cmd_t zc = {"\0"}; - Remove extra format argument in zfs_do_set() - Declare at the top: - zfs_prop_t prop; - nvpair_t *elem; - nvpair_t *next; - int i; - Additionally initialize: - int added_resv = 0; - zfs_prop_t prop = 0; - Assign 0 install of NULL for uint64_t types. - zc->zc_nvlist_conf = '\0'; - zc->zc_nvlist_src = '\0'; - zc->zc_nvlist_dst = '\0'; Ported-by: kernelOfTruth [email protected] Signed-off-by: Brian Behlendorf <[email protected]> Closes #3574
* Support parallel build trees (VPATH builds)Turbo Fredriksson2015-07-171-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Build products from an out of tree build should be written relative to the build directory. Sources should be referred to by their locations in the source directory. This is accomplished by adding the 'src' and 'obj' variables for the module Makefile.am, using relative paths to reference source files, and by setting VPATH when source files are not co-located with the Makefile. This enables the following: $ mkdir build $ cd build $ ../configure \ --with-spl=$HOME/src/git/spl/ \ --with-spl-obj=$HOME/src/git/spl/build $ make -s This change also has the advantage of resolving the following warning which is generated by modern versions of automake. Makefile.am:00: warning: source file 'xxx' is in a subdirectory, Makefile.am:00: but option 'subdir-objects' is disabled Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1082
* Unify mount and share for 'zfs create/clone'Brian Behlendorf2015-06-171-52/+47
| | | | | | | | | Both the 'zfs create' and 'zfs clone' commands are expected to automatically mount and share new filesystems. Since this is common functionality it has been moved in to a shared helper function. Signed-off-by: Brian Behlendorf <[email protected]> Closes #3459
* Add libzfs_error_init() functionBrian Behlendorf2015-05-221-1/+3
| | | | | | | | | | | | | | All fprintf() error messages are moved out of the libzfs_init() library function where they never belonged in the first place. A libzfs_error_init() function is added to provide useful error messages for the most common causes of failure. Additionally, in libzfs_run_process() the 'rc' variable was renamed to 'error' for consistency with the rest of the code base. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Richard Yao <[email protected]>
* Illumos 5027 - zfs large block supportMatthew Ahrens2015-05-111-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5027 zfs large block support Reviewed by: Alek Pinchuk <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Josef 'Jeff' Sipek <[email protected]> Reviewed by: Richard Elling <[email protected]> Reviewed by: Saso Kiselkov <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Dan McDonald <[email protected]> References: https://www.illumos.org/issues/5027 https://github.com/illumos/illumos-gate/commit/b515258 Porting Notes: * Included in this patch is a tiny ISP2() cleanup in zio_init() from Illumos 5255. * Unlike the upstream Illumos commit this patch does not impose an arbitrary 128K block size limit on volumes. Volumes, like filesystems, are limited by the zfs_max_recordsize=1M module option. * By default the maximum record size is limited to 1M by the module option zfs_max_recordsize. This value may be safely increased up to 16M which is the largest block size supported by the on-disk format. At the moment, 1M blocks clearly offer a significant performance improvement but the benefits of going beyond this for the majority of workloads are less clear. * The illumos version of this patch increased DMU_MAX_ACCESS to 32M. This was determined not to be large enough when using 16M blocks because the zfs_make_xattrdir() function will fail (EFBIG) when assigning a TX. This was immediately observed under Linux because all newly created files must have a security xattr created and that was failing. Therefore, we've set DMU_MAX_ACCESS to 64M. * On 32-bit platforms a hard limit of 1M is set for blocks due to the limited virtual address space. We should be able to relax this one the ABD patches are merged. Ported-by: Brian Behlendorf <[email protected]> Closes #354
* Illumos 4951 - ZFS administrative commands should use reserved spaceMatthew Ahrens2015-05-041-2/+5
| | | | | | | | | | | | | | | 4951 ZFS administrative commands should use reserved space, not with ENOSPC Reviewed by: John Kennedy <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Christopher Siden <[email protected]> Reviewed by: Dan McDonald <[email protected]> Approved by: Garrett D'Amore <[email protected]> References: https://www.illumos.org/issues/4373 https://github.com/illumos/illumos-gate/commit/7d46dc6 Ported by: Brian Behlendorf <[email protected]>
* Illumos 5134 - if ZFS_DEBUG or debug= is set, libzpool should enable debug ↵Matthew Ahrens2015-04-281-0/+2
| | | | | | | | | | | | | | | | | | | | | | prints 5134 if ZFS_DEBUG or debug= is set, libzpool should enable debug prints Reviewed by: Adam Leventhal <[email protected]> Reviewed by: Christopher Siden <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Saso Kiselkov <[email protected]> Approved by: Dan McDonald <[email protected]> References: https://www.illumos.org/projects/illumos-gate/issues/5134 https://github.com/illumos/illumos-gate/commit/7fa49ea Porting notes: Added dprintf_setup() to main in zfs_main.c and zpool_main.c. Ported by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2669
* 5410 Document -S option to zfs inheritPaul B. Henson2015-04-241-1/+5
| | | | | | | | | | | | | | | 5410 Document -S option to zfs inherit 5412 Mention -S option when zfs inherit fails on quota Reviewed by: Matthew Ahrens <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/5410 https://github.com/illumos/illumos-gate/commit/5ff8cfa9 Ported-by: DHE <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3279
* zpool import should honor overlay propertyNed Bass2015-03-271-14/+0
| | | | | | | | | | | | Make the 'zpool import' command honor the overlay property to allow filesystems to be mounted on a non-empty directory. As it stands now this property is only checked by the 'zfs mount' command. Move the check into 'zfs_mount()` in libzpool so the property is honored for all callers. Signed-off-by: Ned Bass <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3227
* Create an 'overlay' propertyTurbo Fredriksson2014-08-151-0/+14
| | | | | | | | | | | | | | | Add a new 'overlay' property (default 'off') that controls whether the filesystem should be mounted even if the mountpoint is busy or if it should fail with a 'mountpoint not empty'. Doing overlay mounts is the default mount behavior on Linux, but not in ZFS. It have been decided that following the ZFS behavior should be the default, but this overlay allows for site administrator to override this decision on a per-dataset basis. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes: #2503
* Illumos 4757, 4913Matthew Ahrens2014-08-011-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Ahrens2014-07-292-67/+270
| | | | | | | | | | | | | | | | | 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
* Only automatically mount a clone when 'canmount == on'.Turbo Fredriksson2014-06-061-1/+12
| | | | | | | | | | | | | | According to the man page, "When the noauto option is set, a dataset can only be mounted and unmounted explicitly. The dataset is not mounted automatically when the dataset is created or imported ...." When cloning a dataset the canmount property was not being honored. This patch adds the required check to achieve the behavior described in the man page. Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2241
* Check the dataset type more rigorously when fetching properties.Tim Chase2014-05-062-5/+5
| | | | | | | | | | | | | | | | | | | | | | When fetching property values of snapshots, a check against the head dataset type must be performed. Previously, this additional check was performed only when fetching "version", "normalize", "utf8only" or "case". This caused the ZPL properties "acltype", "exec", "devices", "nbmand", "setuid" and "xattr" to be erroneously displayed with meaningless values for snapshots of volumes. It also did not allow for the display of "volsize" of a snapshot of a volume. This patch adds the headcheck flag paramater to zfs_prop_valid_for_type() and zprop_valid_for_type() to indicate the check is being done against a head dataset's type in order that properties valid only for snapshots are handled correctly. This allows the the head check in get_numeric_property() to be performed when fetching a property for a snapshot. Signed-off-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2265
* Fix for re-reading /etc/mtab.John M. Layman2014-04-041-3/+14
| | | | | | | | | | | | | | | | | | | This is a continuation of fb5c53ea65b75c67c23f90ebbbb1134a5bb6c140: When /etc/mtab is updated on Linux it's done atomically with rename(2). A new mtab is written, the existing mtab is unlinked, and the new mtab is renamed to /etc/mtab. This means that we must close the old file and open the new file to get the updated contents. Using rewind(3) will just move the file pointer back to the start of the file, freopen(3) will close and open the file. In this commit, a few more rewind(3) calls were replaced with freopen(3) to allow updated mtab entries to be picked up immediately. Signed-off-by: John M. Layman <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2215 Issue #1611
* Enable /etc/mtab cache to improve performanceBrian Behlendorf2014-01-071-1/+1
| | | | | | | | | | | | | | | | | | | | | Re-enable the /etc/mtab cache to prevent the zfs command from having to repeatedly open and read from the /etc/mtab file. Instead an AVL tree of the mounted filesystems is created and used to vastly speed up lookups. This means that if non-zfs filesystems are mounted concurrently the 'zfs mount' will not immediately detect them. In practice that will rarely happen and even if it does the absolute worst case would be a failed mount. This was originally disabled out of an abundance of paranoia. NOTE: There may still be some parts of the code which do not consult the mtab cache. They should be updated to check the mtab cache as they as discovered to be a problem. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Chris Dunlop <[email protected]> Issue #845
* Fix the creation of ZPOOL_HIST_CMD pool history entries.Tim Chase2014-01-071-1/+12
| | | | | | | | | | | | | | | | | | | | | Move the libzfs_fini() after the zpool_log_history() call so the ZPOOL_HIST_CMD entry can get written. Fix the handling of saved_poolname in zfsdev_ioctl() which was broken as part of the stack-reduction work in a16878805388c4d96cb8a294de965071d138a47b. Since ZoL destroys the TSD data in which the previously successful ioctl()'s pool name is stored following every vop, the ZFS_IOC_LOG_HISTORY ioctl has a very important restriction: it can only successfully write a long entry following a successful ioctl() if no intervening vops have been performed. Some of zfs subcommands do perform intervening vops and to do the logging themselves. At the moment, the "create" and "clone" subcommands have been modified appropriately. Signed-off-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1998
* cstyle: Resolve C style issuesMichael Kjorling2013-12-182-4/+4
| | | | | | | | | | | | | | | | | | The vast majority of these changes are in Linux specific code. They are the result of not having an automated style checker to validate the code when it was originally written. Others were caused when the common code was slightly adjusted for Linux. This patch contains no functional changes. It only refreshes the code to conform to style guide. Everyone submitting patches for inclusion upstream should now run 'make checkstyle' and resolve any warning prior to opening a pull request. The automated builders have been updated to fail a build if when 'make checkstyle' detects an issue. Signed-off-by: Brian Behlendorf <[email protected]> Closes #1821
* Illumos #4208John Wren Kennedy2013-12-181-2/+2
| | | | | | | | | | | | | | | | | 4208 Typo in zfs_main.c: "posxiuser" Reviewed by: Sonu Pillai <[email protected]> Reviewed by: Will Guyette <[email protected]> Reviewed by: Eric Diven <[email protected]> Reviewed by: Christopher Siden <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/4208 illumos/illumos-gate@f38cb554a534c6df738be3f4d23327e69888e634 Ported-by: Brian Behlendorf <[email protected]> Closes #1986
* Illumos #2583Yuri Pankov2013-11-213-36/+43
| | | | | | | | | | | | 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 #3894Keith M Wesolowski2013-11-041-0/+6
| | | | | | | | | | | | | | 3894 zfs should not allow snapshot of inconsistent dataset Reviewed by: Matthew Ahrens <[email protected]> Approved by: Gordon Ross <[email protected]> References: https://www.illumos.org/issues/3894 illumos/illumos-gate@ca48f36f20f6098ceb19d5b084b6b3d4b8eca9fa Ported-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1775
* Illumos #3740Steven Hartland2013-11-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Corrected "zfs list -t <type>" syntaxSteven Hartland2013-10-251-1/+1
| | | | | | | in man page and in command help. Signed-off-by: Brian Behlendorf <[email protected]> Closes #1805
* Generate libraries with correct DT_NEEDED entriesRichard Yao2013-10-101-1/+2
| | | | | | | | | | | | | | | | | | | | Libraries that depend on other libraries should list them in ELF's DT_NEEDED field so that programs linking to them do not need to specify those libraries unless they depend on them as well. This is not the case in the current code and the consequence is that anything that needs a library must know its dependencies. This is fragile and caused GRUB2's configure script to break when a dependency was added on libblkid in libzfs. This resolves that problem by using LIBADD/LDADD to specify libraries in Makefile.am instead of LDFLAGS. This ensures that proper DT_NEEDED entries are generated and prevents GRUB2's configure script from breaking in the presence of a libblkid dependency. This also removes unneeded dependencies from various files. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1751
* Illumos #3464Matthew Ahrens2013-09-041-50/+66
| | | | | | | | | | | | | | | | | 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 Ahrens2013-09-042-24/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Don't specifically open /etc/mtab - it is done in libzfs_init()Turbo Fredriksson2013-08-151-8/+3
| | | | | | | a few lines further down and we can share the open file handle. Signed-off-by: Brian Behlendorf <[email protected]> Issue #1498
* Illumos #3098 zfs userspace/groupspace failYuri Pankov2013-08-141-10/+9
| | | | | | | | | | | | | | 3098 zfs userspace/groupspace fail without saying why when run as non-root Reviewed by: Eric Schrock <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/3098 illumos/illumos-gate@70f56fa69343b013f47e010537cff8ef3a7a40a5 Ported-by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1596
* Trivial spelling fixChris Dunlop2013-04-191-1/+1
| | | | | Signed-off-by: Brian Behlendorf <[email protected]> Closes #1411
* Illumos #1884, #3028, #3048, #3049, #3060, #3061, #3093Yuri Pankov2013-01-111-391/+363
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 1884 Empty "used" field for zfs *space commands 3028 zfs {group,user}space -n prints (null) instead of numeric GID/UID 3048 zfs {user,group}space [-s|-S] is broken 3049 zfs {user,group}space -t doesn't really filter the results 3060 zfs {user,group}space -H output isn't tab-delimited 3061 zfs {user,group}space -o doesn't use specified fields order 3093 zfs {user,group}space's -i is noop Reviewed by: Garry Mills <[email protected]> Reviewed by: Eric Schrock <[email protected]> Approved by: Richard Lowe <[email protected]> References: illumos/illumos-gate@89f5d17b06fc4132c983112b24836a779a0ed736 illumos changeset: 13803:b5e49d71ff0e https://www.illumos.org/issues/1884 https://www.illumos.org/issues/3028 https://www.illumos.org/issues/3048 https://www.illumos.org/issues/3049 https://www.illumos.org/issues/3060 https://www.illumos.org/issues/3061 https://www.illumos.org/issues/3093 Ported-by: Brian Behlendorf <[email protected]> Closes #1194
* Illumos #2703: add mechanism to report ZFS send progressBill Pijewski2012-09-191-0/+2
| | | | | | | | | | | | | 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]>
* Remove autotools productsBrian Behlendorf2012-08-271-713/+0
| | | | | | | | Remove all of the generated autotools products from the repository and update the .gitignore files accordingly. Signed-off-by: Brian Behlendorf <[email protected]> Closes #718
* Illumos #1796, #2871, #2903, #2957Christopher Siden2012-08-231-1/+1
| | | | | | | | | | | | | | | | | | | 1796 "ZFS HOLD" should not be used when doing "ZFS SEND" from a read-only pool 2871 support for __ZFS_POOL_RESTRICT used by ZFS test suite 2903 zfs destroy -d does not work 2957 zfs destroy -R/r sometimes fails when removing defer-destroyed snapshot Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Approved by: Eric Schrock <[email protected]> References: https://www.illumos.org/issues/1796 https://www.illumos.org/issues/2871 https://www.illumos.org/issues/2903 https://www.illumos.org/issues/2957 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Illumos #2635: 'zfs rename -f' to perform force unmountEric Schrock2012-08-231-7/+11
| | | | | | | | | | | | | | | 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 #1936: add support for "-t <datatype>" argument to zfs getAndrew Stormont2012-08-231-3/+36
| | | | | | | | | | | | | | | Reviewed by: Kartik Mistry <[email protected]> Reviewed by: Dan McDonald <[email protected]> Reviewed by: Richard Elling <[email protected]> Reviewed by: Garrett D'Amore <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/1936 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #681
* Illumos #1726: Removal of pyzfs broke delegation for volumesAlexander Eremin2012-08-231-4/+4
| | | | | | | | | | | | | | Reviewed by: Andrew Stormont <[email protected]> Reviewed by: Garrett D'Amore <[email protected]> Reviewed by: Richard Lowe <[email protected]> Reviewed by: Albert Lee <[email protected]> Approved by: Garrett D'Amore <[email protected]> References: https://www.illumos.org/issues/1726 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Illumos #1977: zfs allow arguments not parsed correctly after pyzfs removalAlexander Eremin2012-08-231-2/+2
| | | | | | | | | | | | Reviewed by: Garrett D'Amore <[email protected]> Reviewed by: Albert Lee <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/1977 Ported by: Martin Matuska <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Set zvol discard_granularity to the volblocksize.Etienne Dechamps2012-08-071-0/+1
| | | | | | | | | | | | | | | | | | Currently, zvols have a discard granularity set to 0, which suggests to the upper layer that discard requests of arbirarily small size and alignment can be made efficiently. In practice however, ZFS does not handle unaligned discard requests efficiently: indeed, it is unable to free a part of a block. It will write zeros to the specified range instead, which is both useless and inefficient (see dnode_free_range). With this patch, zvol block devices expose volblocksize as their discard granularity, so the upper layer is aware that it's not supposed to send discard requests smaller than volblocksize. Signed-off-by: Brian Behlendorf <[email protected]> Closes #862
* Illumos #1644, #1645, #1646, #1647, #1708Matthew Ahrens2012-07-311-136/+323
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Linux 3.5 compat, end_writeback() changed to clear_inode()Richard Yao2012-07-231-0/+1
| | | | | | | | | | | | | | | | The end_writeback() function was changed by moving the call to inode_sync_wait() earlier in to evict(). This effecitvely changes the ordering of the sync but it does not impact the details of the zfs implementation. However, as part of this change end_writeback() was renamed to clear_inode() to reflect the new semantics. This change does impact us and clear_inode() now maps to end_writeback() for kernels prior to 3.5. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #784
* Linux 3.5 compat, iops->truncate_range() removedRichard Yao2012-07-231-0/+1
| | | | | | | | | The vmtruncate_range() support has been removed from the kernel in favor of using the fallocate method in the file_operations table. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #784
* Linux 3.5 compat, eops->encode_fh() takes inodesRichard Yao2012-07-231-0/+1
| | | | | | | | | | | | | | The export_operations member ->encode_fh() has been updated to take both the child and parent inodes. This interface used to take the child dentry and a bool describing if the parent is needed. NOTE: While updating this code I noticed that we do not currently cleanly handle the case where we're passed a connectable parent. This code should be audited to make sure we're doing the right thing. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #784
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