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nvlist: Add nvlist_snprintf() and zfs_dbgmsg_nvlist()

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Add nvlist_snprintf() to print a nvlist to a buffer.  This is basically
the snprintf() version of dump_nvlist().  Along with that, add a
zfs_dbgmsg_nvlist() to print out an nvlist to dbgmsg.  This will aid in
debugging.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #17215
This commit is contained in:
Tony Hutter
2025-04-18 06:22:16 -07:00
committed by GitHub
parent ba03054c83
commit 8d1489735b
12 changed files with 488 additions and 332 deletions
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lib/libnvpair/libnvpair.abi
+23 -17
View File
@@ -196,6 +196,7 @@
<elf-symbol name='nvlist_remove_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='nvlist_remove_nvpair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='nvlist_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='nvlist_snprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='nvlist_unpack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='nvlist_xalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='nvlist_xdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@@ -967,6 +968,13 @@
<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'/>
<class-decl name='re_dfa_t' is-struct='yes' visibility='default' is-declaration-only='yes' id='b48d2441'/>
<function-decl name='nvlist_snprintf' mangled-name='nvlist_snprintf' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvlist_snprintf'>
<parameter type-id='26a90f95'/>
<parameter type-id='b59d7dce'/>
<parameter type-id='5ce45b60'/>
<parameter type-id='95e97e5e'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='nvlist_next_nvpair' mangled-name='nvlist_next_nvpair' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvlist_next_nvpair'>
<parameter type-id='5ce45b60'/>
<parameter type-id='dace003f'/>
@@ -1126,12 +1134,6 @@
<parameter type-id='7408d286'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='dcgettext' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='80f4b756'/>
<parameter type-id='80f4b756'/>
<parameter type-id='95e97e5e'/>
<return type-id='26a90f95'/>
</function-decl>
<function-decl name='regexec' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='a431a9da'/>
<parameter type-id='9d26089a'/>
@@ -1140,6 +1142,11 @@
<parameter type-id='95e97e5e'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='fputs' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='9d26089a'/>
<parameter type-id='e75a27e9'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='malloc' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='b59d7dce'/>
<return type-id='eaa32e2f'/>
@@ -1180,12 +1187,6 @@
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='__printf_chk' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='95e97e5e'/>
<parameter type-id='80f4b756'/>
<parameter is-variadic='yes'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='nvlist_prtctl_setdest' mangled-name='nvlist_prtctl_setdest' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvlist_prtctl_setdest'>
<parameter type-id='b0c1ff8d' name='pctl'/>
<parameter type-id='822cd80b' name='fp'/>
@@ -1398,11 +1399,6 @@
<parameter type-id='b0c1ff8d' name='pctl'/>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='dump_nvlist' mangled-name='dump_nvlist' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_nvlist'>
<parameter type-id='5ce45b60' name='list'/>
<parameter type-id='95e97e5e' name='indent'/>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='nvpair_value_match_regex' mangled-name='nvpair_value_match_regex' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvpair_value_match_regex'>
<parameter type-id='3fa542f0' name='nvp'/>
<parameter type-id='95e97e5e' name='ai'/>
@@ -1418,6 +1414,11 @@
<parameter type-id='7d3cd834' name='ep'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='dump_nvlist' mangled-name='dump_nvlist' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_nvlist'>
<parameter type-id='5ce45b60' name='list'/>
<parameter type-id='95e97e5e' name='indent'/>
<return type-id='48b5725f'/>
</function-decl>
<function-type size-in-bits='64' id='9f88f76e'>
<parameter type-id='196db161'/>
<parameter type-id='eaa32e2f'/>
@@ -2194,6 +2195,7 @@
</data-member>
</class-decl>
<typedef-decl name='stack_t' type-id='380f9954' id='ac5e685f'/>
<typedef-decl name='unw_regnum_t' type-id='95e97e5e' id='c53620f0'/>
<class-decl name='unw_cursor' size-in-bits='8128' is-struct='yes' visibility='default' id='384a1f22'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='opaque' type-id='dc70ec0b' visibility='default'/>
@@ -2306,6 +2308,10 @@
<parameter type-id='b59d7dce'/>
<return type-id='79a0948f'/>
</function-decl>
<function-decl name='_Ux86_64_regname' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='c53620f0'/>
<return type-id='80f4b756'/>
</function-decl>
<function-decl name='_ULx86_64_init_local' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='3946e4d1'/>
<parameter type-id='2e408b96'/>