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Conrad Meyer 6b6e2954dd List-ify kernel dump device configuration 
Allow users to specify multiple dump configurations in a prioritized list.
This enables fallback to secondary device(s) if primary dump fails.  E.g.,
one might configure a preference for netdump, but fallback to disk dump as a
second choice if netdump is unavailable.

This change does not list-ify netdump configuration, which is tracked
separately from ordinary disk dumps internally; only one netdump
configuration can be made at a time, for now.  It also does not implement
IPv6 netdump.

savecore(8) is already capable of scanning and iterating multiple devices
from /etc/fstab or passed on the command line.

This change doesn't update the rc or loader variables 'dumpdev' in any way;
it can still be set to configure a single dump device, and rc.d/savecore
still uses it as a single device.  Only dumpon(8) is updated to be able to
configure the more complicated configurations for now.

As part of revving the ABI, unify netdump and disk dump configuration ioctl
/ structure, and leave room for ipv6 netdump as a future possibility.
Backwards-compatibility ioctls are added to smooth ABI transition,
especially for developers who may not keep kernel and userspace perfectly
synced.

Reviewed by:	markj, scottl (earlier version)
Relnotes:	maybe
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D19996
2019-05-06 18:24:07 +00:00
..
adjkerntz various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
bectl bectl.8: Bump date after r345845 2019-04-03 13:59:35 +00:00
bsdlabel Move disktab to sbin/bsdlabel/ 2018-09-18 20:52:24 +00:00
camcontrol Add ATA power mode support to camcontrol 2019-04-23 07:46:38 +00:00
ccdconfig ccdconfig: Move VCS tags to be more consistent with our style. 2017-12-30 00:26:42 +00:00
clri In preparation for adding inode check-hashes, clean up and 2018-11-13 21:40:56 +00:00
comcontrol various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
conscontrol various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
ddb Move ddb.conf to sbin/ddb/ and switch to CONFS. 2018-08-11 13:25:39 +00:00
decryptcore Make decryptcore(8) buildable. 2018-09-19 07:07:03 +00:00
devd Introduce new event SIZECHANGE within GEOM system to inform about GEOM 2019-03-30 07:24:34 +00:00
devfs Move all devfs related files to sbin/devfs/ 2018-08-22 15:55:23 +00:00
devmatch Regularize the Netflix copyright 2019-02-04 21:28:25 +00:00
dhclient Further refine r336195: do not even attempt to verify/update interface's 2019-02-23 23:31:13 +00:00
dmesg General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
dump Normally when an attempt is made to mount a UFS/FFS filesystem whose 2018-12-06 00:09:39 +00:00
dumpfs The goal of this change is to prevent accidental foot shooting by 2018-02-08 23:06:58 +00:00
dumpon List-ify kernel dump device configuration 2019-05-06 18:24:07 +00:00
etherswitchcfg Finish removing FDDI and tokenring media support. 2018-04-23 21:10:33 +00:00
fdisk Allow fdisk(8) to deal with sectors larger than 2048 2018-10-25 12:13:13 +00:00
ffsinfo In preparation for adding inode check-hashes, clean up and 2018-11-13 21:40:56 +00:00
fsck explain ``fsck -f'' more in detail 2019-03-08 10:03:16 +00:00
fsck_ffs This update eliminates a kernel stack disclosure bug in UFS/FFS 2019-05-03 21:54:14 +00:00
fsck_msdosfs Don't cast result from malloc(). 2019-04-15 06:33:05 +00:00
fsdb After a crash, a file that extends into indirect blocks may end up 2019-02-25 21:58:19 +00:00
fsirand Continuing efforts to provide hardening of FFS. This change adds a 2018-12-11 22:14:37 +00:00
gbde gbde(8) - simplify randomisation with arc4random_buf 2019-02-11 00:11:02 +00:00
geom Add the "-t" option to geom(8) utility, to display geoms hierarchy. 2018-09-14 15:29:45 +00:00
ggate ggated: do not expose stack data in sendfail() 2018-12-04 15:25:15 +00:00
growfs Normally when an attempt is made to mount a UFS/FFS filesystem whose 2018-12-06 00:09:39 +00:00
gvinum gvinum: revert WARNS change in Makefile 2018-06-17 01:39:22 +00:00
hastctl various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
hastd Drop "All rights reserved" from my copyright statements. 2019-03-06 22:11:45 +00:00
ifconfig Select lacp egress ports based on NUMA domain 2019-05-03 14:43:21 +00:00
init init: pedantic correction to "can't exec" script warning 2019-03-26 19:38:25 +00:00
ipf rescue ipf: Remove hacks and link in libipf directly. 2017-11-10 07:52:58 +00:00
ipfw Handle HAVE_PROTO flag and print "proto" keyword for O_IP4 and O_IP6 2019-04-29 09:52:53 +00:00
iscontrol various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
kldconfig various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
kldload various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
kldstat Allow three digits of module id without breaking table alignment. 2018-07-02 09:14:00 +00:00
kldunload various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
ldconfig Make ldconfig(8) atomic, by removing an unneccessary call to unlink(2) 2018-08-09 11:46:12 +00:00
md5 Close filedescriptors when done with them. 2019-04-19 06:49:46 +00:00
mdconfig Use VOP_ADVISE() with POSIX_FADV_DONTNEED instead of IO_DIRECT to 2018-12-21 08:15:31 +00:00
mdmfs mdmfs(8): use -o reserve with malloc-backed md(4) 2019-02-16 23:57:38 +00:00
mknod General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
mksnap_ffs various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
mount Exercise some care before sending SIGHUP to mountd. 2019-04-08 18:16:49 +00:00
mount_cd9660 Advise reader to also see mdconfig(8) in mount_cd9660(8). 2018-08-11 08:34:24 +00:00
mount_fusefs Rename fuse(4) to fusefs(4) 2019-03-20 21:48:43 +00:00
mount_msdosfs mount_msdosfs: do not fail mounts requiring locale name conversion table 2018-10-27 16:41:34 +00:00
mount_nfs General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
mount_nullfs General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
mount_udf General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
mount_unionfs General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
nandfs various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
natd DIRDEPS_BUILD: Update dependencies. 2017-10-31 00:07:04 +00:00
newfs Allow dashes as a valid character in UFS labels. 2019-01-29 10:21:41 +00:00
newfs_msdos Added option to cluster-align the start of the root directory. 2018-06-15 06:03:40 +00:00
newfs_nandfs various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
nfsiod General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
nos-tun various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
nvmecontrol Decode Deallocate Logical Block Features. 2019-05-05 15:47:21 +00:00
pfctl pfctl: Fix ifgroup check 2019-04-19 10:52:54 +00:00
pfilctl Hopefully fix compilation by other compilers. 2019-02-01 00:34:18 +00:00
pflogd DIRDEPS_BUILD: Update dependencies. 2017-10-31 00:07:04 +00:00
ping Use caph_enter_casper() in ping(8). 2018-12-18 16:47:03 +00:00
ping6 General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
quotacheck Normally when an attempt is made to mount a UFS/FFS filesystem whose 2018-12-06 00:09:39 +00:00
rcorder rcorder(8): add support for /etc/rc.resume, so it calls "rcorder -k resume" 2018-10-27 17:21:13 +00:00
reboot Update the manpage text to show the output generated by the first-stage 2019-04-30 17:42:05 +00:00
recoverdisk recoverdisk(1): fclose() file supplied via '-r readlist' parameter when 2019-02-07 14:40:28 +00:00
resolvconf sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
restore Re-enable reading byte swapped NFS_MAGIC dumps. 2018-08-11 16:12:23 +00:00
route route(8): clarify -prefixlen description 2019-01-10 00:10:12 +00:00
routed When bind fails, make sure we closed the socket we tried to bind the 2017-12-28 05:34:24 +00:00
rtsol Capsicumize rtsol(8) and rtsold(8). 2019-01-05 16:05:39 +00:00
savecore cap_fileargs: chase r346315, update fileargs_init in consumers 2019-04-17 16:18:14 +00:00
sconfig DIRDEPS_BUILD: Update dependencies. 2017-10-31 00:07:04 +00:00
setkey General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
shutdown shutdown: Fix r327476 by adding init 2018-01-02 09:02:42 +00:00
spppcontrol various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
sunlabel General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
swapon General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
sysctl evdev: export event device properties through sysctl interface 2019-02-24 18:47:04 +00:00
tests Merge ^/user/ngie/release-pkg-fix-tests to unbreak how test files are installed 2016-05-04 23:20:53 +00:00
tunefs The size of the UFS soft-updates journal must be a multiple of the 2019-03-02 21:22:56 +00:00
umount umount: remove sync(2) call when used with -f 2018-09-13 13:57:42 +00:00
veriexec Add verifying manifest loader for mac_veriexec 2019-02-26 06:17:23 +00:00
zfsbootcfg DIRDEPS_BUILD: Update dependencies. 2017-10-31 00:07:04 +00:00
Makefile Add verifying manifest loader for mac_veriexec 2019-02-26 06:17:23 +00:00
Makefile.amd64 NVME support is only for x86 and powerpc64. 2018-06-14 01:15:19 +00:00
Makefile.arm
Makefile.i386 NVME support is only for x86 and powerpc64. 2018-06-14 01:15:19 +00:00
Makefile.inc
Makefile.mips
Makefile.powerpc64 NVME support is only for x86 and powerpc64. 2018-06-14 01:15:19 +00:00
Makefile.sparc64