Add JSON output support to channel programs

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The changes piggyback JSON output support on top of channel programs 
(#6558).  This way the JSON output support is targeted to scripting 
use cases and is easily maintainable since it really only touches 
one function (zfs_do_channel_program()).

This patch ports Joyent's JSON nvlist library from illumos to enable 
easy JSON printing of channel program output nvlist.  To keep the 
delta small I also took advantage of the fact that printing in
zfs_do_channel_program() was almost always done before exiting 
the program.

Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #7281

This commit is contained in:

Alek P

2018-03-19 15:40:58 -04:00

committed by

Brian Behlendorf

parent a76f3d0437

commit 272b5d730f

13 changed files with 639 additions and 11 deletions

									
										lib/libnvpair/Makefile.am
									
		+1
		
												View File
												
				@@ -18,6 +18,7 @@ lib_LTLIBRARIES = libnvpair.la

				USER_C = \

					libnvpair.c \

					libnvpair_json.c \

					nvpair_alloc_system.c

				KERNEL_C = \