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zfs_cmd: reorganise zfs_cmd_t to match original size

Browse Source 
2aa3fbe761 extended zinject_record_t, and in doing so inadvertently
extended zfs_cmd_t, which broke compatibility with userspace tools
without the change.

This fixes that by using some of the unused space in zfs_cmd_t for the
extra fields. We also add an assert to trigger a compile error if the
size ever changes.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17367
This commit is contained in:
Rob Norris 2025-05-28 10:01:06 +10:00 committed by GitHub
parent 087d7d80c7
commit 06fa8f3f69
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 164 additions and 87 deletions
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34
include/sys/zfs_ioctl.h
View File

@ -534,10 +534,22 @@ typedef struct zfs_cmd {
zfs_share_t zc_share;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
zinject_record_t zc_inject_record;
uint32_t zc_defer_destroy;
uint32_t zc_flags;
uint64_t zc_action_handle;
/*
* zinject_record_t grew past its original size, which would push out
* the size of zfs_cmd_t. To adjust for this, we allow it to use the
* space after it, since those fields aren't used with ZFS_IOC_INJECT.
*/
union {
zinject_record_t zc_inject_record;
struct {
char zc_pad1[sizeof (zinject_record_t) - 16];
uint32_t zc_defer_destroy;
uint32_t zc_flags;
uint64_t zc_action_handle;
};
};
int zc_cleanup_fd;
uint8_t zc_simple;
uint8_t zc_pad[3]; /* alignment */
@ -548,6 +560,20 @@ typedef struct zfs_cmd {
uint64_t zc_zoneid;
} zfs_cmd_t;
/*
* zfs_cmd_t (and by extension, it's member structs) must always be the same
* size. Changing it will break compatibility between the kernel module and the
* userspace tools.
*
* This test is convoluted because MAXPATHLEN and MAXNAMELEN can vary across
* platforms. We include them directly here, which means it won't trip if those
* ever change, but if that happens we likely have other things to worry about.
*/
#define _expected_zfs_cmd_size ((MAXPATHLEN*3)+MAXNAMELEN+1200)
_Static_assert(sizeof (zfs_cmd_t) == _expected_zfs_cmd_size,
"zfs_cmd_t has wrong size");
#undef _expected_zfs_cmd_size
typedef struct zfs_useracct {
char zu_domain[256];
uid_t zu_rid;

126
lib/libzfs/libzfs.abi
View File

@ -2617,6 +2617,9 @@
</function-type>
</abi-instr>
<abi-instr address-size='64' path='lib/libzfs/libzfs_config.c' language='LANG_C99'>
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='2816' id='514368c7'>
<subrange length='352' type-id='7359adad' id='b715cd6f'/>
</array-type-def>
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='32768' id='d16c6df4'>
<subrange length='4096' type-id='7359adad' id='bc1b5ddc'/>
</array-type-def>
@ -2789,7 +2792,7 @@
</data-member>
</class-decl>
<typedef-decl name='zfs_share_t' type-id='feb6f2da' id='ee5cec36'/>
<class-decl name='zfs_cmd' size-in-bits='110080' is-struct='yes' visibility='default' id='3522cd69'>
<class-decl name='zfs_cmd' size-in-bits='109952' is-struct='yes' visibility='default' id='3522cd69'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='zc_name' type-id='d16c6df4' visibility='default'/>
</data-member>
@ -2860,42 +2863,55 @@
<var-decl name='zc_begin_record' type-id='09fcdc01' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='106368'>
<var-decl name='zc_inject_record' type-id='a4301ca6' visibility='default'/>
<var-decl name='' type-id='ac5ab595' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109312'>
<var-decl name='zc_defer_destroy' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109344'>
<var-decl name='zc_flags' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109376'>
<var-decl name='zc_action_handle' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109440'>
<var-decl name='zc_cleanup_fd' type-id='95e97e5e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109472'>
<data-member access='public' layout-offset-in-bits='109344'>
<var-decl name='zc_simple' type-id='b96825af' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109480'>
<data-member access='public' layout-offset-in-bits='109352'>
<var-decl name='zc_pad' type-id='d3490169' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109504'>
<data-member access='public' layout-offset-in-bits='109376'>
<var-decl name='zc_sendobj' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109568'>
<data-member access='public' layout-offset-in-bits='109440'>
<var-decl name='zc_fromobj' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109632'>
<data-member access='public' layout-offset-in-bits='109504'>
<var-decl name='zc_createtxg' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109696'>
<data-member access='public' layout-offset-in-bits='109568'>
<var-decl name='zc_stat' type-id='0371a9c7' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='110016'>
<data-member access='public' layout-offset-in-bits='109888'>
<var-decl name='zc_zoneid' type-id='9c313c2d' visibility='default'/>
</data-member>
</class-decl>
<union-decl name='__anonymous_union__' size-in-bits='2944' is-anonymous='yes' visibility='default' id='ac5ab595'>
<data-member access='public'>
<var-decl name='zc_inject_record' type-id='a4301ca6' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='' type-id='e7f43f73' visibility='default'/>
</data-member>
</union-decl>
<class-decl name='__anonymous_struct__' size-in-bits='2944' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f73'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='zc_pad1' type-id='514368c7' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2816'>
<var-decl name='zc_defer_destroy' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2848'>
<var-decl name='zc_flags' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2880'>
<var-decl name='zc_action_handle' type-id='9c313c2d' visibility='default'/>
</data-member>
</class-decl>
<typedef-decl name='zfs_cmd_t' type-id='3522cd69' id='a5559cdd'/>
<class-decl name='zfs_stat' size-in-bits='320' is-struct='yes' visibility='default' id='6417f0b9'>
<data-member access='public' layout-offset-in-bits='0'>
@ -3171,7 +3187,7 @@
<typedef-decl name='ssize_t' type-id='41060289' id='79a0948f'/>
<class-decl name='sigaction' size-in-bits='1216' is-struct='yes' visibility='default' id='fe391c48'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='__sigaction_handler' type-id='ac5ab595' visibility='default'/>
<var-decl name='__sigaction_handler' type-id='ac5ab596' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='64'>
<var-decl name='sa_mask' type-id='b9c97942' visibility='default'/>
@ -3183,7 +3199,7 @@
<var-decl name='sa_restorer' type-id='953b12f8' visibility='default'/>
</data-member>
</class-decl>
<union-decl name='__anonymous_union__' size-in-bits='64' is-anonymous='yes' visibility='default' id='ac5ab595'>
<union-decl name='__anonymous_union__' size-in-bits='64' is-anonymous='yes' visibility='default' id='ac5ab596'>
<data-member access='public'>
<var-decl name='sa_handler' type-id='8cdd9566' visibility='default'/>
</data-member>
@ -3256,36 +3272,36 @@
<var-decl name='__pad0' type-id='95e97e5e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='128'>
<var-decl name='_sifields' type-id='ac5ab596' visibility='default'/>
<var-decl name='_sifields' type-id='ac5ab597' visibility='default'/>
</data-member>
</class-decl>
<union-decl name='__anonymous_union__1' size-in-bits='896' is-anonymous='yes' visibility='default' id='ac5ab596'>
<union-decl name='__anonymous_union__1' size-in-bits='896' is-anonymous='yes' visibility='default' id='ac5ab597'>
<data-member access='public'>
<var-decl name='_pad' type-id='47394ee0' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_kill' type-id='e7f43f73' visibility='default'/>
<var-decl name='_kill' type-id='e7f43f74' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_timer' type-id='e7f43f74' visibility='default'/>
<var-decl name='_timer' type-id='e7f43f75' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_rt' type-id='e7f43f75' visibility='default'/>
<var-decl name='_rt' type-id='e7f43f76' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_sigchld' type-id='e7f43f76' visibility='default'/>
<var-decl name='_sigchld' type-id='e7f43f77' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_sigfault' type-id='e7f43f77' visibility='default'/>
<var-decl name='_sigfault' type-id='e7f43f78' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_sigpoll' type-id='e7f43f78' visibility='default'/>
<var-decl name='_sigpoll' type-id='e7f43f79' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_sigsys' type-id='e7f43f79' visibility='default'/>
<var-decl name='_sigsys' type-id='e7f43f7a' visibility='default'/>
</data-member>
</union-decl>
<class-decl name='__anonymous_struct__1' size-in-bits='64' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f73'>
<class-decl name='__anonymous_struct__1' size-in-bits='64' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f74'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='si_pid' type-id='3629bad8' visibility='default'/>
</data-member>
@ -3293,7 +3309,7 @@
<var-decl name='si_uid' type-id='cc5fcceb' visibility='default'/>
</data-member>
</class-decl>
<class-decl name='__anonymous_struct__2' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f74'>
<class-decl name='__anonymous_struct__2' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f75'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='si_tid' type-id='95e97e5e' visibility='default'/>
</data-member>
@ -3304,7 +3320,7 @@
<var-decl name='si_sigval' type-id='eabacd01' visibility='default'/>
</data-member>
</class-decl>
<class-decl name='__anonymous_struct__3' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f75'>
<class-decl name='__anonymous_struct__3' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f76'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='si_pid' type-id='3629bad8' visibility='default'/>
</data-member>
@ -3315,7 +3331,7 @@
<var-decl name='si_sigval' type-id='eabacd01' visibility='default'/>
</data-member>
</class-decl>
<class-decl name='__anonymous_struct__4' size-in-bits='256' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f76'>
<class-decl name='__anonymous_struct__4' size-in-bits='256' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f77'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='si_pid' type-id='3629bad8' visibility='default'/>
</data-member>
@ -3332,7 +3348,7 @@
<var-decl name='si_stime' type-id='4d66c6d7' visibility='default'/>
</data-member>
</class-decl>
<class-decl name='__anonymous_struct__5' size-in-bits='256' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f77'>
<class-decl name='__anonymous_struct__5' size-in-bits='256' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f78'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='si_addr' type-id='eaa32e2f' visibility='default'/>
</data-member>
@ -3340,18 +3356,18 @@
<var-decl name='si_addr_lsb' type-id='a2185560' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='128'>
<var-decl name='_bounds' type-id='ac5ab597' visibility='default'/>
<var-decl name='_bounds' type-id='ac5ab598' visibility='default'/>
</data-member>
</class-decl>
<union-decl name='__anonymous_union__2' size-in-bits='128' is-anonymous='yes' visibility='default' id='ac5ab597'>
<union-decl name='__anonymous_union__2' size-in-bits='128' is-anonymous='yes' visibility='default' id='ac5ab598'>
<data-member access='public'>
<var-decl name='_addr_bnd' type-id='e7f43f7a' visibility='default'/>
<var-decl name='_addr_bnd' type-id='e7f43f7b' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_pkey' type-id='62f1140c' visibility='default'/>
</data-member>
</union-decl>
<class-decl name='__anonymous_struct__6' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f7a'>
<class-decl name='__anonymous_struct__6' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f7b'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='_lower' type-id='eaa32e2f' visibility='default'/>
</data-member>
@ -3359,7 +3375,7 @@
<var-decl name='_upper' type-id='eaa32e2f' visibility='default'/>
</data-member>
</class-decl>
<class-decl name='__anonymous_struct__7' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f78'>
<class-decl name='__anonymous_struct__7' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f79'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='si_band' type-id='bd54fe1a' visibility='default'/>
</data-member>
@ -3367,7 +3383,7 @@
<var-decl name='si_fd' type-id='95e97e5e' visibility='default'/>
</data-member>
</class-decl>
<class-decl name='__anonymous_struct__8' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f79'>
<class-decl name='__anonymous_struct__8' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f7a'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='_call_addr' type-id='eaa32e2f' visibility='default'/>
</data-member>
@ -4152,6 +4168,12 @@
<parameter type-id='5d6479ae'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='lzc_ioctl_fd' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='7359adad'/>
<parameter type-id='b65f7fd1'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='lzc_snapshot' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='5ce45b60'/>
<parameter type-id='5ce45b60'/>
@ -4590,12 +4612,6 @@
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='ioctl' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='7359adad'/>
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_type_to_name' mangled-name='zfs_type_to_name' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_type_to_name'>
<parameter type-id='2e45de5d' name='type'/>
<return type-id='80f4b756'/>
@ -5277,6 +5293,12 @@
<parameter type-id='b59d7dce'/>
<return type-id='79a0948f'/>
</function-decl>
<function-decl name='ioctl' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='7359adad'/>
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='fstat64' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='62f7a03d'/>
@ -7237,7 +7259,7 @@
<var-decl name='drr_payloadlen' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='64'>
<var-decl name='drr_u' type-id='ac5ab598' visibility='default'/>
<var-decl name='drr_u' type-id='ac5ab599' visibility='default'/>
</data-member>
</class-decl>
<enum-decl name='__anonymous_enum__' is-anonymous='yes' id='08f5ca17'>
@ -7255,7 +7277,7 @@
<enumerator name='DRR_REDACT' value='10'/>
<enumerator name='DRR_NUMTYPES' value='11'/>
</enum-decl>
<union-decl name='__anonymous_union__' size-in-bits='2432' is-anonymous='yes' visibility='default' id='ac5ab598'>
<union-decl name='__anonymous_union__' size-in-bits='2432' is-anonymous='yes' visibility='default' id='ac5ab599'>
<data-member access='public'>
<var-decl name='drr_begin' type-id='09fcdc01' visibility='default'/>
</data-member>
@ -7602,10 +7624,10 @@
<var-decl name='sigev_notify' type-id='95e97e5e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='128'>
<var-decl name='_sigev_un' type-id='ac5ab599' visibility='default'/>
<var-decl name='_sigev_un' type-id='ac5ab59a' visibility='default'/>
</data-member>
</class-decl>
<union-decl name='__anonymous_union__1' size-in-bits='384' is-anonymous='yes' visibility='default' id='ac5ab599'>
<union-decl name='__anonymous_union__1' size-in-bits='384' is-anonymous='yes' visibility='default' id='ac5ab59a'>
<data-member access='public'>
<var-decl name='_pad' type-id='73b82f0f' visibility='default'/>
</data-member>
@ -7613,10 +7635,10 @@
<var-decl name='_tid' type-id='3629bad8' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='_sigev_thread' type-id='e7f43f7b' visibility='default'/>
<var-decl name='_sigev_thread' type-id='e7f43f7c' visibility='default'/>
</data-member>
</union-decl>
<class-decl name='__anonymous_struct__' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f7b'>
<class-decl name='__anonymous_struct__' size-in-bits='128' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f7c'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='_function' type-id='5f147c28' visibility='default'/>
</data-member>

91
lib/libzfs_core/libzfs_core.abi
View File

@ -1116,13 +1116,6 @@
<parameter type-id='95e97e5e'/>
<return type-id='26a90f95'/>
</function-decl>
<function-decl name='__fprintf_chk' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='e75a27e9'/>
<parameter type-id='95e97e5e'/>
<parameter type-id='9d26089a'/>
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='stat64' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='9d26089a'/>
<parameter type-id='f1cadedf'/>
@ -1279,6 +1272,9 @@
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='2048' id='d1617432'>
<subrange length='256' type-id='7359adad' id='36e5b9fa'/>
</array-type-def>
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='2816' id='514368c7'>
<subrange length='352' type-id='7359adad' id='b715cd6f'/>
</array-type-def>
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='32768' id='d16c6df4'>
<subrange length='4096' type-id='7359adad' id='bc1b5ddc'/>
</array-type-def>
@ -1765,7 +1761,7 @@
<enumerator name='DRR_REDACT' value='10'/>
<enumerator name='DRR_NUMTYPES' value='11'/>
</enum-decl>
<union-decl name='__anonymous_union__' size-in-bits='2432' is-anonymous='yes' visibility='default' id='ac5ab595'>
<union-decl name='__anonymous_union__1' size-in-bits='2432' is-anonymous='yes' visibility='default' id='ac5ab595'>
<data-member access='public'>
<var-decl name='drr_begin' type-id='09fcdc01' visibility='default'/>
</data-member>
@ -2156,7 +2152,7 @@
</data-member>
</class-decl>
<typedef-decl name='zfs_share_t' type-id='feb6f2da' id='ee5cec36'/>
<class-decl name='zfs_cmd' size-in-bits='110080' is-struct='yes' visibility='default' id='3522cd69'>
<class-decl name='zfs_cmd' size-in-bits='109952' is-struct='yes' visibility='default' id='3522cd69'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='zc_name' type-id='d16c6df4' visibility='default'/>
</data-member>
@ -2227,42 +2223,56 @@
<var-decl name='zc_begin_record' type-id='09fcdc01' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='106368'>
<var-decl name='zc_inject_record' type-id='a4301ca6' visibility='default'/>
<var-decl name='' type-id='ac5ab596' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109312'>
<var-decl name='zc_defer_destroy' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109344'>
<var-decl name='zc_flags' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109376'>
<var-decl name='zc_action_handle' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109440'>
<var-decl name='zc_cleanup_fd' type-id='95e97e5e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109472'>
<data-member access='public' layout-offset-in-bits='109344'>
<var-decl name='zc_simple' type-id='b96825af' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109480'>
<data-member access='public' layout-offset-in-bits='109352'>
<var-decl name='zc_pad' type-id='d3490169' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109504'>
<data-member access='public' layout-offset-in-bits='109376'>
<var-decl name='zc_sendobj' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109568'>
<data-member access='public' layout-offset-in-bits='109440'>
<var-decl name='zc_fromobj' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109632'>
<data-member access='public' layout-offset-in-bits='109504'>
<var-decl name='zc_createtxg' type-id='9c313c2d' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='109696'>
<data-member access='public' layout-offset-in-bits='109568'>
<var-decl name='zc_stat' type-id='0371a9c7' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='110016'>
<data-member access='public' layout-offset-in-bits='109888'>
<var-decl name='zc_zoneid' type-id='9c313c2d' visibility='default'/>
</data-member>
</class-decl>
<union-decl name='__anonymous_union__' size-in-bits='2944' is-anonymous='yes' visibility='default' id='ac5ab596'>
<data-member access='public'>
<var-decl name='zc_inject_record' type-id='a4301ca6' visibility='default'/>
</data-member>
<data-member access='public'>
<var-decl name='' type-id='e7f43f72' visibility='default'/>
</data-member>
</union-decl>
<class-decl name='__anonymous_struct__' size-in-bits='2944' is-struct='yes' is-anonymous='yes' visibility='default' id='e7f43f72'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='zc_pad1' type-id='514368c7' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2816'>
<var-decl name='zc_defer_destroy' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2848'>
<var-decl name='zc_flags' type-id='8f92235e' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2880'>
<var-decl name='zc_action_handle' type-id='9c313c2d' visibility='default'/>
</data-member>
</class-decl>
<typedef-decl name='zfs_cmd_t' type-id='3522cd69' id='a5559cdd'/>
<class-decl name='zfs_stat' size-in-bits='320' is-struct='yes' visibility='default' id='6417f0b9'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='zs_gen' type-id='9c313c2d' visibility='default'/>
@ -2558,14 +2568,14 @@
<qualified-type-def type-id='eaa32e2f' restrict='yes' id='1b7446cd'/>
<pointer-type-def type-id='eaa32e2f' size-in-bits='64' id='63e171df'/>
<pointer-type-def type-id='3522cd69' size-in-bits='64' id='b65f7fd1'/>
<pointer-type-def type-id='a5559cdd' size-in-bits='64' id='e4ec4540'/>
<class-decl name='_IO_codecvt' is-struct='yes' visibility='default' is-declaration-only='yes' id='a4036571'/>
<class-decl name='_IO_marker' is-struct='yes' visibility='default' is-declaration-only='yes' id='010ae0b9'/>
<class-decl name='_IO_wide_data' is-struct='yes' visibility='default' is-declaration-only='yes' id='79bd3751'/>
<function-decl name='lzc_ioctl_fd' mangled-name='lzc_ioctl_fd' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzc_ioctl_fd'>
<parameter type-id='95e97e5e'/>
<parameter type-id='7359adad'/>
<parameter type-id='b65f7fd1'/>
<return type-id='95e97e5e'/>
<function-decl name='nvlist_print' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='822cd80b'/>
<parameter type-id='5ce45b60'/>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='nvlist_free' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='5ce45b60'/>
@ -2781,6 +2791,13 @@
<function-decl name='__open_missing_mode' visibility='default' binding='global' size-in-bits='64'>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='__fprintf_chk' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='e75a27e9'/>
<parameter type-id='95e97e5e'/>
<parameter type-id='9d26089a'/>
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='__read_chk' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='eaa32e2f'/>
@ -2794,6 +2811,12 @@
<function-decl name='libzfs_core_fini' mangled-name='libzfs_core_fini' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='libzfs_core_fini'>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='lzc_ioctl_fd' mangled-name='lzc_ioctl_fd' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzc_ioctl_fd'>
<parameter type-id='95e97e5e' name='fd'/>
<parameter type-id='7359adad' name='ioc'/>
<parameter type-id='e4ec4540' name='zc'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='lzc_scrub' mangled-name='lzc_scrub' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzc_scrub'>
<parameter type-id='5b35941c' name='ioc'/>
<parameter type-id='80f4b756' name='name'/>
@ -3178,6 +3201,12 @@
<parameter type-id='9c313c2d' name='amount'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='lzc_ioctl_fd_os' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='7359adad'/>
<parameter type-id='b65f7fd1'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-type size-in-bits='64' id='c70fa2e8'>
<parameter type-id='95e97e5e'/>
<parameter type-id='eaa32e2f'/>