Date: Tue, 12 Jul 2016 11:27:18 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r302646 - vendor-sys/illumos/dist/uts/common/fs/zfs/sys Message-ID: <201607121127.u6CBRIrp093058@repo.freebsd.org>
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Author: avg Date: Tue Jul 12 11:27:17 2016 New Revision: 302646 URL: https://svnweb.freebsd.org/changeset/base/302646 Log: 6980 6902 causes zfs send to break due to 32-bit/64-bit struct mismatch illumos/illumos-gate@ea4a67f462de0a39a9adea8197bcdef849de5371 https://github.com/illumos/illumos-gate/commit/ea4a67f462de0a39a9adea8197bcdef849de5371 https://www.illumos.org/issues/6980 doing zfs send -i snap1 snap2 >testfile results in internal error: Invalid argument Abort (core dumped) Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com> Author: Matthew Ahrens <mahrens@delphix.com> Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zfs_ioctl.h Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zfs_ioctl.h ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zfs_ioctl.h Tue Jul 12 11:25:55 2016 (r302645) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zfs_ioctl.h Tue Jul 12 11:27:17 2016 (r302646) @@ -337,6 +337,12 @@ typedef enum zfs_case { ZFS_CASE_MIXED } zfs_case_t; +/* + * Note: this struct must have the same layout in 32-bit and 64-bit, so + * that 32-bit processes (like /sbin/zfs) can pass it to the 64-bit + * kernel. Therefore, we add padding to it so that no "hidden" padding + * is automatically added on 64-bit (but not on 32-bit). + */ typedef struct zfs_cmd { char zc_name[MAXPATHLEN]; /* name of pool or dataset */ uint64_t zc_nvlist_src; /* really (char *) */ @@ -372,7 +378,9 @@ typedef struct zfs_cmd { uint64_t zc_action_handle; int zc_cleanup_fd; uint8_t zc_simple; + uint8_t zc_pad3[3]; boolean_t zc_resumable; + uint32_t zc_pad4; uint64_t zc_sendobj; uint64_t zc_fromobj; uint64_t zc_createtxg;
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