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* Fix an uninitialized data access (#16511)Alan Somers2024-09-101-1/+1
| | | | | | | | | | | | | | zfs_acl_node_alloc allocates an uninitialized data buffer, but upstack zfs_acl_chmod only partially initializes it. KMSAN reported that this memory remained uninitialized at the point when it was read by lzjb_compress, which suggests a possible kernel memory disclosure bug. The full KMSAN warning may be found in the PR. https://github.com/openzfs/zfs/pull/16511 Signed-off-by: Alan Somers <[email protected]> Sponsored by: Axcient Reviewed-by: Alexander Motin <[email protected]> Reviewed-by: Tony Hutter <[email protected]>
* Fixed parameter passing error when calling zfs_acl_chmodQuartz2024-02-261-2/+2
| | | | | | | | Follow up to 99495ba6abbf0bb726324d03212c6f5ffa00043e which accidentally introduce this regression. Reviewed by: Brian Behlendorf <[email protected]> Signed-off-by: Quartz <[email protected]> Closes #15907
* Use list_remove_head() where possible.Alexander Motin2023-06-091-3/+1
| | | | | | | | | | | ... instead of list_head() + list_remove(). On FreeBSD the list functions are not inlined, so in addition to more compact code this also saves another function call. Reviewed-by: Brian Atkinson <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Alexander Motin <[email protected]> Sponsored by: iXsystems, Inc. Closes #14955
* Linux: zfs_zaccess_trivial() should always call generic_permission()Richard Yao2023-04-201-2/+1
| | | | | | | | | | | | | | | | Building with Clang on Linux generates a warning that err could be uninitialized if mnt_ns is a NULL pointer. However, mnt_ns should never be NULL, so there is no need to put this behind an if statement. Taking it outside of the if statement means that the possibility of err being uninitialized goes from being always zero in a way that the compiler could not realize to a way that is always zero in a way that the compiler can realize. Sponsored-By: Wasabi Technology, Inc. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Youzhong Yang <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #14738
* Linux 6.3 compat: idmapped mount API changesyouzhongyang2023-04-101-17/+16
| | | | | | | | | Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap type for mounts (struct mnt_idmap), we need to detect these changes and make zfs work with the new APIs. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Youzhong Yang <[email protected]> Closes #14682
* Cleanup of dead code suggested by Clang Static Analyzer (#14380)Richard Yao2023-01-171-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I recently gained the ability to run Clang's static analyzer on the linux kernel modules via a few hacks. This extended coverage to code that was previously missed since Clang's static analyzer only looked at code that we built in userspace. Running it against the Linux kernel modules built from my local branch produced a total of 72 reports against my local branch. Of those, 50 were reports of logic errors and 22 were reports of dead code. Since we already had cleaned up all of the previous dead code reports, I felt it would be a good next step to clean up these dead code reports. Clang did a further breakdown of the dead code reports into: Dead assignment 15 Dead increment 2 Dead nested assignment 5 The benefit of cleaning these up, especially in the case of dead nested assignment, is that they can expose places where our error handling is incorrect. A number of them were fairly straight forward. However several were not: In vdev_disk_physio_completion(), not only were we not using the return value from the static function vdev_disk_dio_put(), but nothing used it, so I changed it to return void and removed the existing (void) cast in the other area where we call it in addition to no longer storing it to a stack value. In FSE_createDTable(), the function is dead code. Its helper function FSE_freeDTable() is also dead code, as are the CPP definitions in `module/zstd/include/zstd_compat_wrapper.h`. We just delete it all. In zfs_zevent_wait(), we have an optimization opportunity. cv_wait_sig() returns 0 if there are waiting signals and 1 if there are none. The Linux SPL version literally returns `signal_pending(current) ? 0 : 1)` and FreeBSD implements the same semantics, we can just do `!cv_wait_sig()` in place of `signal_pending(current)` to avoid unnecessarily calling it again. zfs_setattr() on FreeBSD version did not have error handling issue because the code was removed entirely from FreeBSD version. The error is from updating the attribute directory's files. After some thought, I decided to propapage errors on it to userspace. In zfs_secpolicy_tmp_snapshot(), we ignore a lack of permission from the first check in favor of checking three other permissions. I assume this is intentional. In zfs_create_fs(), the return value of zap_update() was not checked despite setting an important version number. I see no backward compatibility reason to permit failures, so we add an assertion to catch failures. Interestingly, Linux is still using ASSERT(error == 0) from OpenSolaris while FreeBSD has switched to the improved ASSERT0(error) from illumos, although illumos has yet to adopt it here. ASSERT(error == 0) was used on Linux while ASSERT0(error) was used on FreeBSD since the entire file needs conversion and that should be the subject of another patch. dnode_move()'s issue was caused by us not having implemented POINTER_IS_VALID() on Linux. We have a stub in `include/os/linux/spl/sys/kmem_cache.h` for it, when it really should be in `include/os/linux/spl/sys/kmem.h` to be consistent with Illumos/OpenSolaris. FreeBSD put both `POINTER_IS_VALID()` and `POINTER_INVALIDATE()` in `include/os/freebsd/spl/sys/kmem.h`, so we copy what it did. Whenever a report was in platform-specific code, I checked the FreeBSD version to see if it also applied to FreeBSD, but it was only relevant a few times. Lastly, the patch that enabled Clang's static analyzer to be run on the Linux kernel modules needs more work before it can be put into a PR. I plan to do that in the future as part of the on-going static analysis work that I am doing. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #14380
* Cleanup: !A || A && B is equivalent to !A || BRichard Yao2023-01-121-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | In zfs_zaccess_dataset_check(), we have the following subexpression: (!IS_DEVVP(ZTOV(zp)) || (IS_DEVVP(ZTOV(zp)) && (v4_mode & WRITE_MASK_ATTRS))) When !IS_DEVVP(ZTOV(zp)) is false, IS_DEVVP(ZTOV(zp)) is true under the law of the excluded middle since we are not doing pseudoboolean alegbra. Therefore doing: (IS_DEVVP(ZTOV(zp)) && (v4_mode & WRITE_MASK_ATTRS)) Is unnecessary and we can just do: (v4_mode & WRITE_MASK_ATTRS) The Linux 5.16.14 kernel's coccicheck caught this. The semantic patch that caught it was: ./scripts/coccinelle/misc/excluded_middle.cocci Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #14372
* Fix the last two CFI callback prototype mismatchesAlexander2022-11-291-1/+1
| | | | | | | | | | | | | | | | | There was the series from me a year ago which fixed most of the callback vs implementation prototype mismatches. It was based on running the CFI-enabled kernel (in permissive mode -- warning instead of panic) and performing a full ZTS cycle, and then fixing all of the problems caught by CFI. Now, Clang 16-dev has new warning flag, -Wcast-function-type-strict, which detect such mismatches at compile-time. It allows to find the remaining issues missed by the first series. There are only two of them left: one for the secpolicy_vnode_setattr() callback and one for taskq_dispatch(). The fix is easy, since they are not used anywhere else. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Alexander Lobakin <[email protected]> Closes #14207
* Support idmapped mount in user namespaceyouzhongyang2022-11-081-9/+15
| | | | | | | | | | | | | | | | | | Linux 5.17 commit torvalds/linux@5dfbfe71e enables "the idmapping infrastructure to support idmapped mounts of filesystems mounted with an idmapping". Update the OpenZFS accordingly to improve the idmapped mount support. This pull request contains the following changes: - xattr setter functions are fixed to take mnt_ns argument. Without this, cp -p would fail for an idmapped mount in a user namespace. - idmap_util is enhanced/fixed for its use in a user ns context. - One test case added to test idmapped mount in a user ns. Reviewed-by: Christian Brauner <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Youzhong Yang <[email protected]> Closes #14097
* acl: use uintptr_t for ace walker cookiesBrooks Davis2022-11-031-5/+5
| | | | | | | | | | Avoid assuming that a pointer can fit in a uint64_t and use uintptr_t instead. Reviewed-by: Matthew Ahrens <[email protected]> Reviewed-by: Richard Yao <[email protected]> Signed-off-by: Brooks Davis <[email protected]> Closes #14131
* Support idmapped mountyouzhongyang2022-10-191-30/+46
| | | | | | | | | | | | Adds support for idmapped mounts. Supported as of Linux 5.12 this functionality allows user and group IDs to be remapped without changing their state on disk. This can be useful for portable home directories and a variety of container related use cases. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Youzhong Yang <[email protected]> Closes #12923 Closes #13671
* Add defensive assertionsRichard Yao2022-10-121-0/+1
| | | | | | | | | | | | | | | | | Coverity complains about possible bugs involving referencing NULL return values and division by zero. The division by zero bugs require that a block pointer be corrupt, either from in-memory corruption, or on-disk corruption. The NULL return value complaints are only bugs if assumptions that we make about the state of data structures are wrong. Some seem impossible to be wrong and thus are false positives, while others are hard to analyze. Rather than dismiss these as false positives by assuming we know better, we add defensive assertions to let us know when our assumptions are wrong. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #13972
* Cleanup: Remove ineffective unsigned comparisons against 0Richard Yao2022-09-261-1/+1
| | | | | | | | | | | | | Coverity found a number of places where we either do MAX(unsigned, 0) or do assertions that a unsigned variable is >= 0. These do nothing, so let us drop them all. It also found a spot where we do `if (unsigned >= 0 && ...)`. Let us also drop the unsigned >= 0 check. Reviewed-by: Neal Gompa <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #13871
* zfs_enter reworkChunwei Chen2022-09-161-2/+3
| | | | | | | | | | | | | | | Replace ZFS_ENTER and ZFS_VERIFY_ZP, which have hidden returns, with functions that return error code. The reason we want to do this is because hidden returns are not obvious and had caused some missing fail path unwinding. This patch changes the common, linux, and freebsd parts. Also fixes fail path unwinding in zfs_fsync, zpl_fsync, zpl_xattr_{list,get,set}, and zfs_lookup(). Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Chunwei Chen <[email protected]> Closes #13831
* Replace dead opensolaris.org license linkTino Reichardt2022-07-111-1/+1
| | | | | | | | | The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tino Reichardt <[email protected]> Closes #13619
* Linux optimize access checks when ACL is trivialAndrew2022-04-011-0/+70
| | | | | | | | | | | | | | | | | | | | | Bypass check of ZFS aces if the ACL is trivial. When an ACL is trivial its permissions are represented by the mode without any loss of information. In this case, it is safe to convert the access request into equivalent mode and then pass desired mask and inode to generic_permission(). This has the added benefit of also checking whether entries in a POSIX ACL on the file grant the desired access. This commit also skips the ACL check on looking up the xattr dir since such restrictions don't exist in Linux kernel and it makes xattr lookup behavior inconsistent between SA and file-based xattrs. We also don't want to perform a POSIX ACL check while looking up the POSIX ACL if for some reason it is located in the xattr dir rather than an SA. Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Ryan Moeller <[email protected]> Signed-off-by: Andrew Walker <[email protected]> Closes #13237
* Remove bcopy(), bzero(), bcmp()наб2022-03-151-12/+12
| | | | | | | | | | bcopy() has a confusing argument order and is actually a move, not a copy; they're all deprecated since POSIX.1-2001 and removed in -2008, and we shim them out to mem*() on Linux anyway Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #12996
* module: mark arguments usedнаб2022-02-181-4/+4
| | | | | | | Reviewed-by: Alejandro Colomar <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #13110
* Rename fallthrough to zfs_fallthroughJorgen Lundman2022-02-151-2/+2
| | | | | | | | Unfortunately macOS has obj-C keyword "fallthrough" in the OS headers. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Damian Szuberski <[email protected]> Signed-off-by: Jorgen Lundman <[email protected]> Closes #13097
* module/*.ko: prune .data, global .rodataнаб2022-01-141-3/+3
| | | | | | | | | | | | 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
* Use fallthrough macroBrian Behlendorf2021-09-141-2/+2
| | | | | | | | | | | | | | | As of the Linux 5.9 kernel a fallthrough macro has been added which should be used to anotate all intentional fallthrough paths. Once all of the kernel code paths have been updated to use fallthrough the -Wimplicit-fallthrough option will because the default. To avoid warnings in the OpenZFS code base when this happens apply the fallthrough macro. Additional reading: https://lwn.net/Articles/794944/ Reviewed-by: Tony Nguyen <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #12441
* Normalise /*FALLTHR{OUGH,U}*/наб2021-07-261-2/+2
| | | | | | Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Issue #12201
* Intentionally allow ZFS_READONLY in zfs_writeRyan Moeller2021-03-071-5/+21
| | | | | | | | | | | | | | | | ZFS_READONLY represents the "DOS R/O" attribute. When that flag is set, we should behave as if write access were not granted by anything in the ACL. In particular: We _must_ allow writes after opening the file r/w, then setting the DOS R/O attribute, and writing some more. (Similar to how you can write after fchmod(fd, 0444).) Restore these semantics which were lost on FreeBSD when refactoring zfs_write. To my knowledge Linux does not actually expose this flag, but we'll need it to eventually so I've added the supporting checks. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #11693
* Cross-platform acltypeRyan Moeller2020-10-131-1/+1
| | | | | | | | | | | | | | | | | The acltype property is currently hidden on FreeBSD and does not reflect the NFSv4 style ZFS ACLs used on the platform. This makes it difficult to observe that a pool imported from FreeBSD on Linux has a different type of ACL that is being ignored, and vice versa. Add an nfsv4 acltype and expose the property on FreeBSD. Make the default acltype nfsv4 on FreeBSD. Setting acltype to an unhanded style is treated the same as setting it to off. The ACLs will not be removed, but they will be ignored. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #10520
* Rename acltype=posixacl to acltype=posixRyan Moeller2020-09-161-1/+1
| | | | | | | Prefer acltype=off|posix, retaining the old names as aliases. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #10918
* Prevent zfs_acl_chmod() if aclmode restricted and ACL inheritedAndrew2020-08-221-0/+4
| | | | | | | | | | | | | | | | In absence of inheriting entry for owner@, group@, or everyone@, zfs_acl_chmod() is called to set these. This can cause confusion for Samba admins who do not expect these entries to appear on newly created files and directories once they have been stripped from from the parent directory. When aclmode is set to "restricted", chmod is prevented on non-trivial ACLs. It is not a stretch to assume that in this case the administrator does not want ZFS to add the missing special entries. Add check for this aclmode, and if an inherited entry is present skip zfs_acl_chmod(). Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Andrew Walker <[email protected]> Closes #10748
* Mark functions as staticArvind Sankar2020-06-181-3/+3
| | | | | | | | | | | Mark functions used only in the same translation unit as static. This only includes functions that do not have a prototype in a header file either. Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Arvind Sankar <[email protected]> Closes #10470
* OpenZFS 6765 - zfs_zaccess_delete() comments do not accuratelyPaul B. Henson2020-04-301-22/+21
| | | | | | | | | | | | | | | | | | reflect delete permissions for ACLs Authored by: Kevin Crowe <[email protected]> Reviewed by: Gordon Ross <[email protected]> Reviewed by: Yuri Pankov <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Richard Lowe <[email protected]> Ported-by: Paul B. Henson <[email protected]> Porting Notes: * Only comments are updated OpenZFS-issue: https://www.illumos.org/issues/6765 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/da412744bc Closes #10266
* OpenZFS 6762 - POSIX write should imply DELETE_CHILD on directoriesPaul B. Henson2020-04-301-80/+147
| | | | | | | | | | | | | | | - and some additional considerations Authored by: Kevin Crowe <[email protected]> Reviewed by: Gordon Ross <[email protected]> Reviewed by: Yuri Pankov <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Richard Lowe <[email protected]> Ported-by: Paul B. Henson <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/6762 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/1eb4e906ec Closes #10266
* OpenZFS 8984 - fix for 6764 breaks ACL inheritancePaul B. Henson2020-04-301-11/+29
| | | | | | | | | | | | | | Authored by: Dominik Hassler <[email protected]> Reviewed by: Sam Zaydel <[email protected]> Reviewed by: Paul B. Henson <[email protected]> Reviewed by: Prakash Surya <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Matthew Ahrens <[email protected]> Ported-by: Paul B. Henson <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/8984 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/e9bacc6d1a Closes #10266
* OpenZFS 6764 - zfs issues with inheritance flags during chmod(2)Paul B. Henson2020-04-301-85/+79
| | | | | | | | | | | | | | | with aclmode=passthrough Authored by: Albert Lee <[email protected]> Reviewed by: Gordon Ross <[email protected]> Reviewed by: Yuri Pankov <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Richard Lowe <[email protected]> Ported-by: Paul B. Henson <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/6764 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/de0f1ddb59 Closes #10266
* OpenZFS 742 - Resurrect the ZFS "aclmode" property OpenZFS 664 - Umask ↵Paul B. Henson2020-04-301-65/+98
| | | | | | | | | | | | | | | | | | | | | | | masking "deny" ACL entries OpenZFS 279 - Bug in the new ACL (post-PSARC/2010/029) semantics Porting notes: * Updated zfs_acl_chmod to take 'boolean_t isdir' as first parameter rather than 'zfsvfs_t *zfsvfs' * zfs man pages changes mixed between zfs and new zfsprops man pages Reviewed by: Aram Hvrneanu <[email protected]> Reviewed by: Gordon Ross <[email protected]> Reviewed by: Robert Gordon <[email protected]> Reviewed by: [email protected] Reviewed by: Brian Behlendorf <[email protected]> Approved by: Garrett D'Amore <[email protected]> Ported-by: Paul B. Henson <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/742 OpenZFS-issue: https://www.illumos.org/issues/664 OpenZFS-issue: https://www.illumos.org/issues/279 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/a3c49ce110 Closes #10266
* 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
* Eliminate Linux specific inode usage from common code Matthew Macy2019-12-111-3/+3
| | | | | | | | | | Change many of the znops routines to take a znode rather than an inode so that zfs_replay code can be largely shared and in the future the much of the znops code may be shared. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9708
* Add zfs_file_* interface, remove vnodesMatthew Macy2019-11-211-1/+0
| | | | | | | | | | | | | | | | | | 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
* Move platform specific parts of zfs_znode.h to platform codeMatthew Macy2019-11-061-2/+2
| | | | | | | | | Some of the znode fields are different and functions consuming an inode don't exist on FreeBSD. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9536
* Return an error code from zfs_acl_chmod_setattrMatthew Macy2019-11-011-1/+3
| | | | | | | | The FreeBSD implementation can fail, allow this function to fail and add the required error handling for Linux. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9541
* Remove sdt.hMatthew Macy2019-10-251-1/+0
| | | | | | | | | It's mostly a noop on ZoL and it conflicts with platforms that support dtrace. Remove this header to resolve the conflict. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9497
* OpenZFS restructuring - move platform specific sourcesMatthew Macy2019-09-061-0/+2816
Move platform specific Linux source under module/os/linux/ and update the build system accordingly. Additional code restructuring will follow to make the common code fully portable. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Igor Kozhukhov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Macy <[email protected]> Closes #9206
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