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Toomas Soome e307eb94ae loader: zfs should support bootonce an nextboot 
bootonce feature is temporary, one time boot, activated by
"bectl activate -t BE", "bectl activate -T BE" will reset the bootonce flag.

By default, the bootonce setting is reset on attempt to boot and the next
boot will use previously active BE.

By setting zfs_bootonce_activate="YES" in rc.conf, the bootonce BE will
be set permanently active.

bootonce dataset name is recorded in boot pool labels, bootenv area.

in case of nextboot, the nextboot_enable boolean variable is recorded in
freebsd:nvstore nvlist, also stored in boot pool label bootenv area.
On boot, the loader will process /boot/nextboot.conf if nextboot_enable
is "YES", and will set nextboot_enable to "NO", preventing /boot/nextboot.conf
processing on next boot.

bootonce and nextboot features are usable in both UEFI and BIOS boot.

To use bootonce/nextboot features, the boot loader needs to be updated on disk;
if loader.efi is stored on ESP, then ESP needs to be updated and
for BIOS boot, stage2 (zfsboot or gptzfsboot) needs to be updated
(gpart or other tools).

At this time, only lua loader is updated.

Sponsored by:	Netflix, Klara Inc.
Differential Revision:	https://reviews.freebsd.org/D25512
2020-09-21 09:01:10 +00:00
..
atf Update Makefile.depend files 2019-12-11 17:37:53 +00:00
clang build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
csu ld.bfd requires an explicit emulation for MIPS for ld -r. 2020-08-04 18:23:32 +00:00
geom gpart(8): Recognize apple-zfs and solaris-reserved partition ids 2020-08-17 17:07:05 +00:00
googletest gtest: link against libregex for GNU extensions 2020-08-04 02:18:24 +00:00
kyua Install expected kyua docs. 2020-03-26 17:34:17 +00:00
lib80211 80211: consistently spell 80P80 2020-08-17 12:52:57 +00:00
libalias libalias: retire cuseeme support 2020-05-16 02:29:10 +00:00
libarchive build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
libauditd libauditd: make it a PRIVATELIB 2020-04-19 02:20:39 +00:00
libbe loader: zfs should support bootonce an nextboot 2020-09-21 09:01:10 +00:00
libbearssl Revert that! 2020-07-19 23:56:19 +00:00
libbegemot Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libblacklist Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libblocksruntime Move all sources from the llvm project into contrib/llvm-project. 2019-12-20 19:53:05 +00:00
libbluetooth Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libbsdstat Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libbsm libbsm: fix some MLINKS 2020-04-19 02:18:40 +00:00
libbsnmp Add test to for FreeBSD-SA-19:20.bsnmp 2020-08-13 22:42:24 +00:00
libbz2 Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libc fix integer underflow in getgrnam_r and getpwnam_r 2020-09-19 19:08:27 +00:00
libc_nonshared
libc++ Only set WARNS if not defined 2020-09-11 13:28:37 +00:00
libc++experimental Move all sources from the llvm project into contrib/llvm-project. 2019-12-20 19:53:05 +00:00
libcalendar Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libcam Clean up cam.3 2020-07-06 09:53:00 +00:00
libcapsicum Add missing FreeBSD functions to -legacy when building on macOS/Linux 2020-08-25 13:23:31 +00:00
libcasper build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
libclang_rt Merge ^/head r364051 through r364081. 2020-08-10 16:58:05 +00:00
libcom_err Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libcompat
libcompiler_rt Follow-up r364753 by only using arm's stdatomic.c implementation, as it 2020-09-10 16:47:12 +00:00
libcrypt Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libcuse Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libcxxrt Only set WARNS if not defined 2020-09-11 13:28:37 +00:00
libdevctl Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libdevdctl libdevdctl: Force full match of "timestamp" field name 2020-06-23 16:29:59 +00:00
libdevinfo devinfo: add man page links 2020-08-04 21:09:36 +00:00
libdevstat Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libdl
libdpv Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libdwarf Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libedit Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libefivar libefivar: define MDE_CPU_RISCV64 2020-07-06 17:47:29 +00:00
libelf Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libelftc Update ELF Tool Chain to upstream r3769 2019-12-05 13:20:15 +00:00
libevent1 rename in-tree libevent v1 to libevent1 2020-05-28 22:05:50 +00:00
libexecinfo Move all sources from the llvm project into contrib/llvm-project. 2019-12-20 19:53:05 +00:00
libexpat Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libfetch Don't explicitly specify c99 or gnu99 as the default is now gnu99. 2020-08-17 05:57:02 +00:00
libfigpar Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libgcc_eh After r364423, which ensures the callbacks that dl_iterate_phdr(3) 2020-08-25 20:07:11 +00:00
libgcc_s Remove the SYMVER build option. 2020-04-30 22:08:40 +00:00
libgeom Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libgpio Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libgssapi Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libiconv_modules
libifconfig libifconfig now depends on libm due to usage of log10(). 2020-09-02 22:10:08 +00:00
libipsec Refer to AES-CBC as "aes-cbc" rather than "rijndael-cbc" for IPsec. 2020-06-04 22:58:37 +00:00
libipt Update Intel Processor Trace decoder library. 2019-10-10 12:46:34 +00:00
libjail libjail: Handle an error from reallocarray() when trimming the buffer. 2020-01-07 21:44:27 +00:00
libkiconv pkgbase: Put a lot of binaries and lib in FreeBSD-runtime 2019-09-05 14:13:08 +00:00
libkvm test: add libkvm read test 2020-07-08 18:58:44 +00:00
libldns Update Makefile.depend files 2019-12-11 17:37:53 +00:00
liblua Fix -Wundef warnings when building liblua 2020-08-25 13:30:34 +00:00
liblutok Add liblutok a lightweight C++ API for lua. 2020-03-23 18:26:23 +00:00
liblzma liblzma: Make liblzma use libmd implementation of SHA256. 2020-06-20 21:32:07 +00:00
libmagic Fix installation of magic file. 2020-06-17 15:57:59 +00:00
libmd libmd: temporarily disable optimized assembly skein1024 implementation 2020-07-23 18:55:47 +00:00
libmemstat memstat_kvm_uma: fix reading of uma_zone_domain structures 2020-08-28 19:50:40 +00:00
libmilter Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libmp Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libmt Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libnetbsd
libnetgraph Fix SYNPOSIS section to point to the proper include directive. 2020-05-15 12:04:39 +00:00
libnetmap lib: libnetmap: add missing copyright headers 2020-09-01 06:06:32 +00:00
libngatm Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libnv Fix libnv build post rename 2020-06-27 02:17:04 +00:00
libomp Update build glue for libomp. 2020-01-27 18:04:28 +00:00
libopenbsd Only set WARNS if not defined 2020-09-11 13:28:37 +00:00
libopencsd Update opencsd to 0.14.2 2020-06-17 10:42:20 +00:00
libopie Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libpam Don't explicitly specify c99 or gnu99 as the default is now gnu99. 2020-08-17 05:57:02 +00:00
libpathconv
libpcap MFV r353141 (by phillip): 2019-12-21 21:01:03 +00:00
libpe
libpjdlog pkgbase: Create a FreeBSD-utilities package and make it the default one 2019-09-05 14:15:47 +00:00
libpmc Fix additional memory leak in process_mapfile 2020-09-17 18:24:51 +00:00
libpmcstat pmcstat: implement showing offsets into symbols in top mode 2020-08-05 19:05:49 +00:00
libproc Remove -I flag for include path that doesn't exist 2020-09-10 15:37:07 +00:00
libprocstat Merge OpenZFS support in to HEAD. 2020-08-25 02:21:27 +00:00
libradius libradius: Rip out dubious use of srandomdev(3)+random(3) 2019-12-13 04:55:17 +00:00
libregex libregex: disable some of the unimplemented test cases for now 2020-08-04 02:16:43 +00:00
librpcsec_gss
librpcsvc Update Makefile.depend files 2019-12-11 17:37:53 +00:00
librss Update Makefile.depend files 2019-12-11 17:37:53 +00:00
librt pkgbase: Create a FreeBSD-utilities package and make it the default one 2019-09-05 14:15:47 +00:00
librtld_db librtld_db: Handle anonymous mappings below the first file mapping. 2020-06-05 18:44:14 +00:00
libsbuf Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libsdp Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libsecureboot veloader: insist on verifying .4th .lua etc 2020-08-21 00:27:06 +00:00
libsm Merge sendmail 8.16.1 to HEAD: See contrib/sendmail/RELEASE_NOTES for details 2020-07-15 18:28:54 +00:00
libsmb
libsmdb Merge sendmail 8.16.1 to HEAD: See contrib/sendmail/RELEASE_NOTES for details 2020-07-15 18:28:54 +00:00
libsmutil
libsqlite3 Only set WARNS if not defined 2020-09-11 13:28:37 +00:00
libssp libssp: don't compile with -fstack-protector* 2020-03-14 15:15:27 +00:00
libssp_nonshared Provide libssp based on libc 2020-01-04 20:19:25 +00:00
libstats Make use of the stats(3) framework in the TCP stack. 2019-12-02 20:58:04 +00:00
libstdbuf
libstdthreads Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libsysdecode Fix compilation of libsysdecode after r365522, should have been part of it. 2020-09-09 22:18:44 +00:00
libtacplus libtacplus: Remove bogus srandomdev+random 2019-12-13 05:11:34 +00:00
libtelnet
libthr build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
libthread_db Remove libthr, csu, libthread_db and testfloat sparc64 specific directories. 2020-02-27 04:44:58 +00:00
libucl Only set WARNS if not defined 2020-09-11 13:28:37 +00:00
libufs Update the libufs cgget() and cgput() interfaces to have a similar 2020-09-19 22:48:30 +00:00
libugidfw Deduplicate fsid comparisons 2020-05-21 01:55:35 +00:00
libulog Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libunbound MFV r361322: 2020-05-21 21:00:46 +00:00
libusb libusb: improve compatibility 2020-06-09 17:17:43 +00:00
libusbhid USB HID descriptors may push/pop the current state to allow 2020-06-05 07:57:16 +00:00
libutil Add CAP_EVENT to pidfiles. 2020-06-25 21:34:43 +00:00
libveriexec Do not claim libbearssl et al are INTERNALLIB 2020-04-01 05:45:12 +00:00
libvgl Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libvmmapi vmm(4), bhyve(8): Expose kernel-emulated special devices to userspace 2020-05-15 15:54:22 +00:00
libwrap Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libxo build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
liby
libypclnt Update Makefile.depend files 2019-12-11 17:37:53 +00:00
libz Generate zlib.pc from source. 2020-05-12 01:47:33 +00:00
libzstd Only set WARNS if not defined 2020-09-11 13:28:37 +00:00
msun Apply an opimization for the kernels used by cexp(x) and cexpf(x) submitted 2020-09-20 05:32:53 +00:00
ncurses Pass the full CFLAGS to cpp for MKlib_gen.sh. 2020-08-03 17:53:15 +00:00
ofed build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
tests
Makefile lib: add libnetmap 2020-08-28 20:03:54 +00:00
Makefile.inc build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00