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* Correct compilation errors reported by GCC 10/11Damian Szuberski2022-02-201-7/+5
| | | | | | | | | New `zfs_type_t` value `ZFS_TYPE_INVALID` is introduced. Variable initialization is now possible to make GCC happy. Reviewed by: Brian Behlendorf <[email protected]> Signed-off-by: szubersk <[email protected]> Closes #12167 Closes #13103
* module: zfs: zcp_get: fix uninitialised warningнаб2022-02-181-1/+1
| | | | | | | Reviewed-by: Alejandro Colomar <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #13110
* Simplify resume token generationRyan Moeller2022-02-011-12/+6
| | | | | | | | | | * Improve naming. * Reduce indentation. * Avoid boilerplate logic duplication. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #12967
* module/*.ko: prune .data, global .rodataнаб2022-01-141-4/+4
| | | | | | | | | | | | Evaluated every variable that lives in .data (and globals in .rodata) in the kernel modules, and constified/eliminated/localised them appropriately. This means that all read-only data is now actually read-only data, and, if possible, at file scope. A lot of previously- global-symbols became inlinable (and inlined!) constants. Probably not in a big Wowee Performance Moment, but hey. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #12899
* Add include files for prototypesArvind Sankar2020-06-181-0/+1
| | | | | | | | | | Include the header with prototypes in the file that provides definitions as well, to catch any mismatch between prototype and definition. Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Arvind Sankar <[email protected]> Closes #10470
* Replace sprintf()->snprintf() and strcpy()->strlcpy()Jorgen Lundman2020-06-071-8/+10
| | | | | | | | | | | | | | | The strcpy() and sprintf() functions are deprecated on some platforms. Care is needed to ensure correct size is used. If some platforms miss snprintf, we can add a #define to sprintf, likewise strlcpy(). The biggest change is adding a size parameter to zfs_id_to_fuidstr(). The various *_impl_get() functions are only used on linux and have not yet been updated. Reviewed by: Sean Eric Fagan <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Jorgen Lundman <[email protected]> Closes #10400
* Refactor dnode dirty context from dbuf_dirtyMatthew Macy2020-02-261-2/+2
| | | | | | | | | | | * Add dedicated donde_set_dirtyctx routine. * Add empty dirty record on destroy assertion. * Make much more extensive use of the SET_ERROR macro. Reviewed-by: Will Andrews <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9924
* Relocate common quota functions to shared codeRyan Moeller2019-12-111-0/+1
| | | | | | | | | | | The quota functions are common to all implementations and can be moved to common code. As a simplification they were moved to the Linux platform code in the initial refactoring. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Igor Kozhukhov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9710
* Move get_temporary_prop to platform codeMatthew Macy2019-10-101-81/+7
| | | | | | | | | | Temporary property handling at the VFS layer requires platform specific code. Reviewed-by: Sean Eric Fagan <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9401
* Fix strdup conflict on other platformsMatthew Macy2019-10-101-5/+5
| | | | | | | | | | | | | | | | In the FreeBSD kernel the strdup signature is: ``` char *strdup(const char *__restrict, struct malloc_type *); ``` It's unfortunate that the developers have chosen to change the signature of libc functions - but it's what I have to deal with. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9433
* Fix typos in module/zfs/Andrea Gelmini2019-09-021-2/+2
| | | | | | | | Reviewed-by: Matt Ahrens <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Andrea Gelmini <[email protected]> Closes #9240
* Fix get_special_prop() build failureBrian Behlendorf2019-07-161-4/+2
| | | | | | | | | | | | | The cast of the size_t returned by strlcpy() to a uint64_t by the VERIFY3U can result in a build failure when CONFIG_FORTIFY_SOURCE is set. This is due to the additional hardening. Since the token is expected to always fit in strval the VERIFY3U has been removed. If somehow it doesn't, it will still be safely truncated. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Don Brady <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #8999 Closes #9020
* Detect and prevent mixed raw and non-raw sendsTom Caputi2019-03-131-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, there is an issue in the raw receive code where raw receives are allowed to happen on top of previously non-raw received datasets. This is a problem because the source-side dataset doesn't know about how the blocks on the destination were encrypted. As a result, any MAC in the objset's checksum-of-MACs tree that is a parent of both blocks encrypted on the source and blocks encrypted by the destination will be incorrect. This will result in authentication errors when we decrypt the dataset. This patch fixes this issue by adding a new check to the raw receive code. The code now maintains an "IVset guid", which acts as an identifier for the set of IVs used to encrypt a given snapshot. When a snapshot is raw received, the destination snapshot will take this value from the DRR_BEGIN payload. Non-raw receives and normal "zfs snap" operations will cause ZFS to generate a new IVset guid. When a raw incremental stream is received, ZFS will check that the "from" IVset guid in the stream matches that of the "from" destination snapshot. If they do not match, the code will error out the receive, preventing the problem. This patch requires an on-disk format change to add the IVset guids to snapshots and bookmarks. As a result, this patch has errata handling and a tunable to help affected users resolve the issue with as little interruption as possible. Reviewed-by: Paul Dagnelie <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Matt Ahrens <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Closes #8308
* Fix coverity defects: zfs channel programsDon Brady2018-02-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CID 173243, 173245: Memory - corruptions (OVERRUN) Added size argument to lcompat_sprintf() to avoid use of INT_MAX CID 173244: Integer handling issues (OVERFLOW_BEFORE_WIDEN) Added cast to uint64_t to avoid a 32 bit overflow warning CID 173242: Integer handling issues (CONSTANT_EXPRESSION_RESULT) Conditionally removed unused luai_numisnan() floating point check CID 173241: Resource leaks (RESOURCE_LEAK) Added missing close(fd) on error path CID 173240: (UNINIT) Fixed uninitialized variable in get_special_prop() CID 147560: Null pointer dereferences (NULL_RETURNS) Cleaned up bad code merge in dsl_dataset_promote_check() CID 28475: Memory - illegal accesses (OVERRUN) Fixed lcompat_sprintf() to use a size paramater CID 28418, 28422: Error handling issues (CHECKED_RETURN) Added function result cast to (void) to avoid warning CID 23935, 28411, 28412: Memory - corruptions (ARRAY_VS_SINGLETON) Added casts to avoid exposing result as an array Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Don Brady <[email protected]> Closes #7181
* OpenZFS 7431 - ZFS Channel ProgramsChris Williamson2018-02-081-0/+876
Authored by: Chris Williamson <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: John Kennedy <[email protected]> Reviewed by: Dan Kimmel <[email protected]> Approved by: Garrett D'Amore <[email protected]> Ported-by: Don Brady <[email protected]> Ported-by: John Kennedy <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/7431 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/dfc11533 Porting Notes: * The CLI long option arguments for '-t' and '-m' don't parse on linux * Switched from kmem_alloc to vmem_alloc in zcp_lua_alloc * Lua implementation is built as its own module (zlua.ko) * Lua headers consumed directly by zfs code moved to 'include/sys/lua/' * There is no native setjmp/longjump available in stock Linux kernel. Brought over implementations from illumos and FreeBSD * The get_temporary_prop() was adapted due to VFS platform differences * Use of inline functions in lua parser to reduce stack usage per C call * Skip some ZFS Test Suite ZCP tests on sparc64 to avoid stack overflow
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