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* Fix regression caused by c14ca14Adam D. Moss2020-04-291-1/+1
| | | | | | | | | The 'zfs load-key' command was broken for 'keyformat=passphrase'. Use the correct output vars when stdin is an interactive terminal. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: adam moss <[email protected]> Closes #10264 Closes #10265
* Support custom URI schemes for the keylocation propertyJason King2020-04-282-194/+349
| | | | | | | | | | | | | | | | | | | | | Every platform has their own preferred methods for implementing URI schemes beyond the currently supported file scheme (e.g. 'https' on FreeBSD would likely use libfetch, while Linux distros and illumos would probably use libcurl, etc). It would be helpful if libzfs can be extended to support additional schemes in a simple manner. A table of (scheme, handler_function) pairs is added to libzfs_crypto.c, and the existing functions in libzfs_crypto.c so that when the key format is ZFS_KEYFORMAT_URI, the scheme from the URI string is extracted, and a matching handler it located in the aforementioned table (returning an error if no matching handler is found). The handler function is then invoked to retrieve the key material (in the format specified by the keyformat property) and the key is loaded or the handler can return an error to abort the key loading process. Reviewed by: Sean Eric Fagan <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Jason King <[email protected]> Closes #10218
* change libspl list member names to match kernelMatthew Ahrens2020-04-232-41/+40
| | | | | | | | | | This aids in debugging, so that we can use the same infrastructure to walk zfs's list_t in the kernel module and in the userland libraries (e.g. when debugging ztest). Reviewed-by: Serapheim Dimitropoulos <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #10236
* Remove deduplicated send/receive codeMatthew Ahrens2020-04-232-533/+34
| | | | | | | | | | | | | | | | | | | | | | | | | Deduplicated send streams (i.e. `zfs send -D` and `zfs receive` of such streams) are deprecated. Deduplicated send streams can be received by first converting them to non-deduplicated with the `zstream redup` command. This commit removes the code for sending and receiving deduplicated send streams. `zfs send -D` will now print a warning, ignore the `-D` flag, and generate a regular (non-deduplicated) send stream. `zfs receive` of a deduplicated send stream will print an error message and fail. The resulting code simplification (especially in the kernel's support for receiving dedup streams) should help enable future performance enhancements. Several new tests are added which leverage `zstream redup`. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Issue #7887 Issue #10117 Issue #10156 Closes #10212
* Fix more leaks detected by ASANJoao Carlos Mendes Luis2020-04-221-2/+7
| | | | | | | This commit fixes a bunch of missing free() calls in a10d50f99 Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: João Carlos Mendes Luís <[email protected]> Closes #10219
* sys/mnttab.h: include sys/stat.h for stat64alaviss2020-04-141-1/+1
| | | | | | | | | | | | Musl libc defined `stat64` as a macro, which causes the build to fail upon compiling os/linux/getmntany.c due to conflicts between the forward declaration and the implementation. This commit fixes that by including <sys/stat.h> in "sys/mnttab.h" directly. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Hiếu Lê <[email protected]> Closes #10195
* Add FreeBSD support to OpenZFSMatthew Macy2020-04-1434-5/+3132
| | | | | | | | | | | | | | | | | | Add the FreeBSD platform code to the OpenZFS repository. As of this commit the source can be compiled and tested on FreeBSD 11 and 12. Subsequent commits are now required to compile on FreeBSD and Linux. Additionally, they must pass the ZFS Test Suite on FreeBSD which is being run by the CI. As of this commit 1230 tests pass on FreeBSD and there are no unexpected failures. Reviewed-by: Sean Eric Fagan <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Ryan Moeller <[email protected]> Signed-off-by: Matt Macy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #898 Closes #8987
* Add `zstream redup` command to convert deduplicated send streamsMatthew Ahrens2020-04-101-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Deduplicated send and receive is deprecated. To ease migration to the new dedup-send-less world, the commit adds a `zstream redup` utility to convert deduplicated send streams to normal streams, so that they can continue to be received indefinitely. The new `zstream` command also replaces the functionality of `zstreamdump`, by way of the `zstream dump` subcommand. The `zstreamdump` command is replaced by a shell script which invokes `zstream dump`. The way that `zstream redup` works under the hood is that as we read the send stream, we build up a hash table which maps from `<GUID, object, offset> -> <file_offset>`. Whenever we see a WRITE record, we add a new entry to the hash table, which indicates where in the stream file to find the WRITE record for this block. (The key is `drr_toguid, drr_object, drr_offset`.) For entries other than WRITE_BYREF, we pass them through unchanged (except for the running checksum, which is recalculated). For WRITE_BYREF records, we change them to WRITE records. We find the referenced WRITE record by looking in the hash table (for the record with key `drr_refguid, drr_refobject, drr_refoffset`), and then reading the record header and payload from the specified offset in the stream file. This is why the stream can not be a pipe. The found WRITE record replaces the WRITE_BYREF record, with its `drr_toguid`, `drr_object`, and `drr_offset` fields changed to be the same as the WRITE_BYREF's (i.e. we are writing the same logical block, but with the data supplied by the previous WRITE record). This algorithm requires memory proportional to the number of WRITE records (same as `zfs send -D`), but the size per WRITE record is relatively low (40 bytes, vs. 72 for `zfs send -D`). A 1TB send stream with 8KB blocks (`recordsize=8k`) would use around 5GB of RAM to "redup". Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #10124 Closes #10156
* Persistent L2ARCGeorge Amanakis2020-04-101-2/+29
| | | | | | | | | | | | | | | | | | | | | This commit makes the L2ARC persistent across reboots. We implement a light-weight persistent L2ARC metadata structure that allows L2ARC contents to be recovered after a reboot. This significantly eases the impact a reboot has on read performance on systems with large caches. Reviewed-by: Matthew Ahrens <[email protected]> Reviewed-by: George Wilson <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Saso Kiselkov <[email protected]> Co-authored-by: Jorgen Lundman <[email protected]> Co-authored-by: George Amanakis <[email protected]> Ported-by: Yuxuan Shui <[email protected]> Signed-off-by: George Amanakis <[email protected]> Closes #925 Closes #1823 Closes #2672 Closes #3744 Closes #9582
* libzfs_pool: Remove unused check for ENOTBLKalex2020-04-071-11/+0
| | | | | | | | | | | Commit 379ca9c removed the check on aux devices to be block devices also changing zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, ...) and zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, ...) to never set ENOTBLK. This change removes the dangling check for ENOTBLK that will never trigger. Reviewed-by: Brian Behlendorf <[email protected]> Reported-by: Richard Elling <[email protected]> Signed-off-by: Alex John <[email protected]> Closes #10173
* Add 'zfs wait' commandPaul Dagnelie2020-04-012-0/+48
| | | | | | | | | | | | | | | | | | | | | | Add a mechanism to wait for delete queue to drain. When doing redacted send/recv, many workflows involve deleting files that contain sensitive data. Because of the way zfs handles file deletions, snapshots taken quickly after a rm operation can sometimes still contain the file in question, especially if the file is very large. This can result in issues for redacted send/recv users who expect the deleted files to be redacted in the send streams, and not appear in their clones. This change duplicates much of the zpool wait related logic into a zfs wait command, which can be used to wait until the internal deleteq has been drained. Additional wait activities may be added in the future. Reviewed-by: Matthew Ahrens <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: John Gallagher <[email protected]> Signed-off-by: Paul Dagnelie <[email protected]> Closes #9707
* Compile cityhash code into libzfsMatthew Ahrens2020-03-271-0/+1
| | | | | | | | | Make the cityhash code compile into libzfs, in preparation for the new "zstream" command. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #10152
* Deprecate deduplicated send streamsMatthew Ahrens2020-03-181-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dedup send can only deduplicate over the set of blocks in the send command being invoked, and it does not take advantage of the dedup table to do so. This is a very common misconception among not only users, but developers, and makes the feature seem more useful than it is. As a result, many users are using the feature but not getting any benefit from it. Dedup send requires a nontrivial expenditure of memory and CPU to operate, especially if the dataset(s) being sent is (are) not already using a dedup-strength checksum. Dedup send adds developer burden. It expands the test matrix when developing new features, causing bugs in released code, and delaying development efforts by forcing more testing to be done. As a result, we are deprecating the use of `zfs send -D` and receiving of such streams. This change adds a warning to the man page, and also prints the warning whenever dedup send or receive are used. In a future release, we plan to: 1. remove the kernel code for generating deduplicated streams 2. make `zfs send -D` generate regular, non-deduplicated streams 3. remove the kernel code for receiving deduplicated streams 4. make `zfs receive` of deduplicated streams process them in userland to "re-duplicate" them, so that they can still be received. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #7887 Closes #10117
* Avoid core dump on invalid redaction bookmarkRyan Moeller2020-03-181-4/+44
| | | | | | | | | | | | | | | | libzfs aborts and dumps core on EINVAL from the kernel when trying to do a redacted send with a bookmark that is not a redaction bookmark. Move redacted bookmark validation into libzfs. Check if the bookmark given for redactions is actually a redaction bookmark. Print an error message and exit gracefully if it is not. Don't abort on EINVAL in zfs_send_one. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #10138
* Separate warning for incomplete and corrupt streamsPaul Dagnelie2020-03-171-4/+6
| | | | | | | | | | This change adds a separate return code to zfs_ioc_recv that is used for incomplete streams, in addition to the existing return code for streams that contain corruption. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Signed-off-by: Paul Dagnelie <[email protected]> Closes #10122
* Add option for forcible unmounting dataset while receiving snapshot.Mariusz Zaborski2020-03-171-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | Currently when the dataset is in use we can't receive snapshots. zfs send test/1@asd | zfs recv -FM test/2 cannot unmount '/test/2': Device busy This commits add option 'M' which attempts to forcibly unmount the dataset. Thanks to this we can enforce receiving snapshots in a single step. Note that this functionality is not supported on Linux because the VFS will prevent active mounted filesystems from being unmounted, even with the force option. This is the intended VFS behavior. Test cases were added to verify the expected behavior based on the platform. Discussed-with: Pawel Jakub Dawidek <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Allan Jude <[email protected]> External-issue: https://reviews.freebsd.org/D22306 Closes #9904
* libzfs: Fix bounds checks for float parsingRyan Moeller2020-03-161-1/+6
| | | | | | | | | | UINT64_MAX is not exactly representable as a double. The closest representation is UINT64_MAX + 1, so we can use a >= comparison instead of > for the bounds check. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #10127
* Change default to overlay=onRyan Moeller2020-03-061-3/+3
| | | | | | | | | | | | | | Filesystems allow overlay mounts by default on FreeBSD and Linux. Respect the native convention by switching the default to overlay=on, while retaining the option to turn the property off for compatibility with other operating systems' conventions. Update documentation and tests accordingly. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #10030
* Add trim support to zpool waitBrian Behlendorf2020-03-041-1/+28
| | | | | | | | | | | | Manual trims fall into the category of long-running pool activities which people might want to wait synchronously for. This change adds support to 'zpool wait' for waiting for manual trim operations to complete. It also adds a '-w' flag to 'zpool trim' which can be used to turn 'zpool trim' into a synchronous operation. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Serapheim Dimitropoulos <[email protected]> Signed-off-by: John Gallagher <[email protected]> Closes #10071
* Improve performance of zio_taskq_memberMatthew Ahrens2020-03-031-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | __zio_execute() calls zio_taskq_member() to determine if we are running in a zio interrupt taskq, in which case we may need to switch to processing this zio in a zio issue taskq. The call to zio_taskq_member() can become a performance bottleneck when we are processing a high rate of zio's. zio_taskq_member() calls taskq_member() on each of the zio interrupt taskqs, of which there are 21. This is slow because each call to taskq_member() does tsd_get(taskq_tsd), which on Linux is relatively slow. This commit improves the performance of zio_taskq_member() by having it cache the value of tsd_get(taskq_tsd), reducing the number of those calls to 1/21th of the current behavior. In a test case running `zfs send -c >/dev/null` of a filesystem with small blocks (average 2.5KB/block), zio_taskq_member() was using 6.7% of one CPU, and with this change it is reduced to 1.3%. Overall time to perform the `zfs send` reduced by 10% (~150,000 block/sec to ~165,000 blocks/sec). Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Serapheim Dimitropoulos <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Tony Nguyen <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #10070
* Don't open zfs control device exclusivelyMatthew Macy2020-02-282-3/+3
| | | | | | | | | With the FreeBSD platform changes that were made for #10073 it is no longer necessary on FreeBSD to open the control device exclusively to get onexit callbacks invoked. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #10076
* Linux 5.6 compat: time_tBrian Behlendorf2020-02-271-1/+1
| | | | | | | | | | | | | | | | | | | As part of the Linux kernel's y2038 changes the time_t type has been fully retired. Callers are now required to use the time64_t type. Rather than move to the new type, I've removed the few remaining places where a time_t is used in the kernel code. They've been replaced with a uint64_t which is already how ZFS internally handled these values. Going forward we should work towards updating the remaining user space time_t consumers to the 64-bit interfaces. Reviewed-by: Matthew Macy <[email protected]> Reviewed-by: Tony Hutter <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #10052 Closes #10064
* Support setting user properties in a channel programJason King2020-02-141-0/+1
| | | | | | | | | | | | | This adds support for setting user properties in a zfs channel program by adding 'zfs.sync.set_prop' and 'zfs.check.set_prop' to the ZFS LUA API. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Matt Ahrens <[email protected]> Co-authored-by: Sara Hartse <[email protected]> Contributions-by: Jason King <[email protected]> Signed-off-by: Sara Hartse <[email protected]> Signed-off-by: Jason King <[email protected]> Closes #9950
* Move zfs_version_kernel to platform codeRyan Moeller2020-02-122-31/+31
| | | | | | | | | Linux uses sysfs to determine the module version, FreeBSD uses a different method. Reviewed-by: Igor Kozhukhov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9978
* Implement bookmark copyingChristian Schwarz2020-02-111-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This feature allows copying existing bookmarks using zfs bookmark fs#target fs#newbookmark There are some niche use cases for such functionality, e.g. when using bookmarks as markers for replication progress. Copying redaction bookmarks produces a normal bookmark that cannot be used for redacted send (we are not duplicating the redaction object). ZCP support for bookmarking (both creation and copying) will be implemented in a separate patch based on this work. Overview: - Terminology: - source = existing snapshot or bookmark - new/bmark = new bookmark - Implement bookmark copying in `dsl_bookmark.c` - create new bookmark node - copy source's `zbn_phys` to new's `zbn_phys` - zero-out redaction object id in copy - Extend existing bookmark ioctl nvlist schema to accept bookmarks as sources - => `dsl_bookmark_create_nvl_validate` is authoritative - use `dsl_dataset_is_before` check for both snapshot and bookmark sources - Adjust CLI - refactor shortname expansion logic in `zfs_do_bookmark` - Update man pages - warn about redaction bookmark handling - Add test cases - CLI - pyyzfs libzfs_core bindings Reviewed-by: Matt Ahrens <[email protected]> Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Christian Schwarz <[email protected]> Closes #9571
* ICP: Improve AES-GCM performanceAttila Fülöp2020-02-102-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently SIMD accelerated AES-GCM performance is limited by two factors: a. The need to disable preemption and interrupts and save the FPU state before using it and to do the reverse when done. Due to the way the code is organized (see (b) below) we have to pay this price twice for each 16 byte GCM block processed. b. Most processing is done in C, operating on single GCM blocks. The use of SIMD instructions is limited to the AES encryption of the counter block (AES-NI) and the Galois multiplication (PCLMULQDQ). This leads to the FPU not being fully utilized for crypto operations. To solve (a) we do crypto processing in larger chunks while owning the FPU. An `icp_gcm_avx_chunk_size` module parameter was introduced to make this chunk size tweakable. It defaults to 32 KiB. This step alone roughly doubles performance. (b) is tackled by porting and using the highly optimized openssl AES-GCM assembler routines, which do all the processing (CTR, AES, GMULT) in a single routine. Both steps together result in up to 32x reduction of the time spend in the en/decryption routines, leading up to approximately 12x throughput increase for large (128 KiB) blocks. Lastly, this commit changes the default encryption algorithm from AES-CCM to AES-GCM when setting the `encryption=on` property. Reviewed-By: Brian Behlendorf <[email protected]> Reviewed-By: Jason King <[email protected]> Reviewed-By: Tom Caputi <[email protected]> Reviewed-By: Richard Laager <[email protected]> Signed-off-by: Attila Fülöp <[email protected]> Closes #9749
* Fix static data to link with -fno-commonRomain Dolbeau2020-02-062-1/+3
| | | | | | | | -fno-common is the new default in GCC 10, replacing -fcommon in GCC <= 9, so static data must only be allocated once. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Romain Dolbeau <[email protected]> Closes #9943
* async zvol minor node creation interferes with receiveMatthew Ahrens2020-02-031-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we finish a zfs receive, dmu_recv_end_sync() calls zvol_create_minors(async=TRUE). This kicks off some other threads that create the minor device nodes (in /dev/zvol/poolname/...). These async threads call zvol_prefetch_minors_impl() and zvol_create_minor(), which both call dmu_objset_own(), which puts a "long hold" on the dataset. Since the zvol minor node creation is asynchronous, this can happen after the `ZFS_IOC_RECV[_NEW]` ioctl and `zfs receive` process have completed. After the first receive ioctl has completed, userland may attempt to do another receive into the same dataset (e.g. the next incremental stream). This second receive and the asynchronous minor node creation can interfere with one another in several different ways, because they both require exclusive access to the dataset: 1. When the second receive is finishing up, dmu_recv_end_check() does dsl_dataset_handoff_check(), which can fail with EBUSY if the async minor node creation already has a "long hold" on this dataset. This causes the 2nd receive to fail. 2. The async udev rule can fail if zvol_id and/or systemd-udevd try to open the device while the the second receive's async attempt at minor node creation owns the dataset (via zvol_prefetch_minors_impl). This causes the minor node (/dev/zd*) to exist, but the udev-generated /dev/zvol/... to not exist. 3. The async minor node creation can silently fail with EBUSY if the first receive's zvol_create_minor() trys to own the dataset while the second receive's zvol_prefetch_minors_impl already owns the dataset. To address these problems, this change synchronously creates the minor node. To avoid the lock ordering problems that the asynchrony was introduced to fix (see #3681), we create the minor nodes from open context, with no locks held, rather than from syncing contex as was originally done. Implementation notes: We generally do not need to traverse children or prefetch anything (e.g. when running the recv, snapshot, create, or clone subcommands of zfs). We only need recursion when importing/opening a pool and when loading encryption keys. The existing recursive, asynchronous, prefetching code is preserved for use in these cases. Channel programs may need to create zvol minor nodes, when creating a snapshot of a zvol with the snapdev property set. We figure out what snapshots are created when running the LUA program in syncing context. In this case we need to remember what snapshots were created, and then try to create their minor nodes from open context, after the LUA code has completed. There are additional zvol use cases that asynchronously own the dataset, which can cause similar problems. E.g. changing the volmode or snapdev properties. These are less problematic because they are not recursive and don't touch datasets that are not involved in the operation, there is still potential for interference with subsequent operations. In the future, these cases should be similarly converted to create the zvol minor node synchronously from open context. The async tasks of removing and renaming minors do not own the objset, so they do not have this problem. However, it may make sense to also convert these operations to happen synchronously from open context, in the future. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Prakash Surya <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> External-issue: DLPX-65948 Closes #7863 Closes #9885
* Add AltiVec RAID-ZRomain Dolbeau2020-01-232-0/+46
| | | | | | | | | | | | | Implements the RAID-Z function using AltiVec SIMD. This is basically the NEON code translated to AltiVec. Note that the 'fletcher' algorithm requires 64-bits operations, and the initial implementations of AltiVec (PPC74xx a.k.a. G4, PPC970 a.k.a. G5) only has up to 32-bits operations, so no 'fletcher'. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Romain Dolbeau <[email protected]> Closes #9539
* Disable get_numeric_property for xattr on FreeBSDMatthew Macy2020-01-211-0/+2
| | | | | | | | | | FreeBSD doesn't have a mount flag for determining the disposition of xattr. Disable so that it is fetched by the default route so that 'zfs get xattr' returns the correct value. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9862
* Re-consolidate zio_delay_interruptMatthew Macy2020-01-211-1/+0
| | | | | | | | With recent SPL changes there is no longer any need for a per platform version. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9860
* Unify target_cpu handlingBrian Behlendorf2020-01-173-17/+15
| | | | | | | | | | | | | Over the years several slightly different approaches were used in the Makefiles to determine the target architecture. This change updates both the build system and Makefile to handle this in a consistent fashion. TARGET_CPU is set to i386, x86_64, powerpc, aarch6 or sparc64 and made available in the Makefiles to be used as appropriate. Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #9848
* libzfs: add zfs_mount_at() functionKyle Evans2020-01-141-8/+37
| | | | | | | | | | | | | | zfs_mount_at() mounts a dataset at an arbitrary mountpoint rather than at the configured mountpoint. This may be used by consumers that wish to temporarily expose a dataset at another mountpoint without altering dataset/pool properties. This will be used by FreeBSD's libbe be_mount(), which mounts a boot environment at an arbitrary mountpoint. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Kyle Evans <[email protected]> Closes #9833
* Change http://zfsonlinux.org links to https://zfsonlinux.orgBrian Behlendorf2020-01-133-3/+3
| | | | | | | | | | | Update the project website links contained in to repository to reference the secure https://zfsonlinux.org address. Reviewed-By: Richard Laager <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Garrett Fields <[email protected]> Reviewed-by: Kjeld Schouten <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #9837
* Add 'zfs send --saved' flagTom Caputi2020-01-102-22/+141
| | | | | | | | | | | | | | | | | | This commit adds the --saved (-S) to the 'zfs send' command. This flag allows a user to send a partially received dataset, which can be useful when migrating a backup server to new hardware. This flag is compatible with resumable receives, so even if the saved send is interrupted, it can be resumed. The flag does not require any user / kernel ABI changes or any new feature flags in the send stream format. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Alek Pinchuk <[email protected]> Reviewed-by: Paul Zuchowski <[email protected]> Reviewed-by: Christian Schwarz <[email protected]> Reviewed-by: Matt Ahrens <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Closes #9007
* libspl: declare aok extern in headerNick Black2019-12-262-1/+3
| | | | | | | | | | Rather than defining a new instance of 'aok' in every compilation unit which includes this header, there is a single instance defined in zone.c, and the header now only declares an extern. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Paul Zuchowski <[email protected]> Signed-off-by: Nick Black <[email protected]> Closes #9752
* Colorize zpool status outputTony Hutter2019-12-191-0/+92
| | | | | | | | | | | | | | | | | | | If the ZFS_COLOR env variable is set, then use ANSI color output in zpool status: - Column headers are bold - Degraded or offline pools/vdevs are yellow - Non-zero error counters and faulted vdevs/pools are red - The 'status:' and 'action:' sections are yellow if they're displaying a warning. This also includes a new 'faketty' function in libtest.shlib that is compatible with FreeBSD (code provided by @freqlabs). Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #9340
* cppcheck: (error) Memory leak: vtocBrian Behlendorf2019-12-181-14/+19
| | | | | | | | | | | | | | | | | Resolve the reported memory leak by using a dedicated local vptr variable to store the pointer reported by calloc(). Only assign the passed **vtoc function argument on success, in all other cases vptr is freed. [lib/libefi/rdwr_efi.c:403]: (error) Memory leak: vtoc [lib/libefi/rdwr_efi.c:422]: (error) Memory leak: vtoc [lib/libefi/rdwr_efi.c:440]: (error) Memory leak: vtoc [lib/libefi/rdwr_efi.c:454]: (error) Memory leak: vtoc [lib/libefi/rdwr_efi.c:470]: (error) Memory leak: vtoc Reviewed-by: Tony Hutter <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #9732
* Add FreeBSD jail support hooksMatthew Macy2019-12-111-2/+2
| | | | | | | | | | | | Add the 'zfs jail/unjail' subcommands along with the relevant documentation from FreeBSD. This feature is not supported on Linux and still requires the match kernel ioctls which will be included when the FreeBSD platform code is integrated. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9686
* Replace ASSERTV macro with compiler annotationMatthew Macy2019-12-052-2/+4
| | | | | | | | | | | Remove the ASSERTV macro and handle suppressing unused compiler warnings for variables only in ASSERTs using the __attribute__((unused)) compiler annotation. The annotation is understood by both gcc and clang. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9671
* Refactor zfs_context.h to build on FreeBSDMatthew Macy2019-12-043-9/+4
| | | | | | | | | | | | - on Linux move Linux specific headers to zfs_context_os.h - on FreeBSD move FreeBSD specific definitions to zfs_context_os.h - remove duplicate tsd_ definitions - remove unused AT_TYPE Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Don Brady <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9668
* Increase allowed 'special_small_blocks' maximum valueBrian Behlendorf2019-12-031-4/+13
| | | | | | | | | | | | | | There may be circumstances where it's desirable that all blocks in a specified dataset be stored on the special device. Relax the artificial 128K limit and allow the special_small_blocks property to be set up to 1M. When blocks >1MB have been enabled via the zfs_max_recordsize module option, this limit is increased accordingly. Reviewed-by: Don Brady <[email protected]> Reviewed-by: Kjeld Schouten <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #9131 Closes #9355
* Make asm-x86_64/atomic.S build on FreeBSDMatthew Macy2019-11-301-1/+5
| | | | | | | | Include the required headers for FreeBSD. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9634
* Mark Linux fallocate extensions as specific to LinuxMatthew Macy2019-11-301-0/+4
| | | | | | | | | fallocate(2) is a Linux-specific system call which in unavailable on other platforms. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9633
* Implement -A (ignore ASSERTs) for zdbPaul Zuchowski2019-11-272-1/+10
| | | | | | | | | | | | The command line switch -A (ignore ASSERTs) has always been available in zdb but was never connected up to the correct global variable. There are times when you need zdb to ignore asserts and keep dumping out whatever information it can get despite the ASSERT(s) failing. It was always intended to be part of zdb but was incomplete. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Paul Zuchowski <[email protected]> Closes #9610
* Add zfs_file_* interface, remove vnodesMatthew Macy2019-11-213-284/+376
| | | | | | | | | | | | | | | | | | Provide a common zfs_file_* interface which can be implemented on all platforms to perform normal file access from either the kernel module or the libzpool library. This allows all non-portable vnode_t usage in the common code to be replaced by the new portable zfs_file_t. The associated vnode and kobj compatibility functions, types, and macros have been removed from the SPL. Moving forward, vnodes should only be used in platform specific code when provided by the native operating system. Reviewed-by: Sean Eric Fagan <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Igor Kozhukhov <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9556
* Remove inappropiate error message suggesting to use '-r'InsanePrawn2019-11-151-4/+2
| | | | | | | | | | Removes an incorrect error message from libzfs that suggests applying '-r' when a zfs subcommand is called with a filesystem path while expecting either a snapshot or bookmark path. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Kjeld Schouten <[email protected]> Signed-off-by: InsanePrawn <[email protected]> Closes #9574
* Fix `zpool create -o <property>` error messageBrian Behlendorf2019-11-131-2/+0
| | | | | | | | | | | | | | | | | | When `zpool create -o <property>` is run without root permissions and the pool property requested is not specifically enumerated in zpool_valid_proplist(). Then an incorrect error message referring to an invalid property is printed rather than the expected permission denied error. Specifying a pool property at create time should be handled the same way as filesystem properties in zfs_valid_proplist(). There should not be default zfs_error_aux() set for properties which are not listed. Reviewed-by: loli10K <[email protected]> Reviewed-by: Kjeld Schouten <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #9550 Closes #9568
* Add wrapper stub for zfs_cmd ioctl to libzpoolMatthew Macy2019-11-125-8/+41
| | | | | | | | | | FreeBSD needs a wrapper for handling zfs_cmd ioctls. In libzfs this is handled by zfs_ioctl. However, here we need to wrap the call directly. Reviewed-by: Allan Jude <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9511
* Allow platform dependent path stripping for vdevsRyan Moeller2019-11-112-76/+84
| | | | | | | | | | | | On Linux the full path preceding devices is stripped when formatting vdev names. On FreeBSD we only want to strip "/dev/". Hide the implementation details of path stripping behind zfs_strip_path(). Make zfs_strip_partition_path() static in Linux implementation while here, since it is never used outside of the file it is defined in. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9565
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