sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remov

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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graid: Avoid tasting devices with small sector sizes

The RAID metadata parsers effectively assume a sector size of 512 bytes
or larger, but md(4) devices can be created with a sector size that's
any

graid: Avoid tasting devices with small sector sizes

The RAID metadata parsers effectively assume a sector size of 512 bytes
or larger, but md(4) devices can be created with a sector size that's
any power of 2. Add some seatbelts to graid tasting routines to ensure
that the requested sector(s) are large enough for the device to
plausibly contain RAID metadata.

Reported by: syzbot+f43583c9bf8357c8b56f@syzkaller.appspotmail.com
Reported by: syzbot+537dd9f22b91b698e161@syzkaller.appspotmail.com
Reported by: syzbot+51509dd48871c57c6e47@syzkaller.appspotmail.com
Reported by: syzbot+c882a31037ea2a54ff63@syzkaller.appspotmail.com
MFC after: 1 week
Sponsored by: The FreeBSD Foundation

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geom: clean up empty lines in .c and .h files

sys/geom: consistently use _PATH_DEV instead of hardcoding "/dev/".

Reviewed by: cem
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D25565

GEOM: Reduce unnecessary log interleaving with sbufs

Similar to what was done for device_printfs in r347229.

Convert g_print_bio() to a thin shim around g_format_bio(), which acts on an
sbuf; docum

GEOM: Reduce unnecessary log interleaving with sbufs

Similar to what was done for device_printfs in r347229.

Convert g_print_bio() to a thin shim around g_format_bio(), which acts on an
sbuf; documented in g_bio.9.

Reviewed by: markj
Discussed with: rlibby
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D21165

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sys/geom: adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone

sys/geom: adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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Merge ^/head r308227 through r308490.

Fix improper use of "its".

Sponsored by: Dell EMC Isilon

Merge from head

Sponsored by: Gandi.net

Finish merging from head, messed up in previous attempt

Merge from HEAD

Catch up with head, primarily for the 1.14.4.0 firmware.

Merge ^/head r286422 through r286684.

Clean out some externally visible "more then" grammar

MFC after: 3 days

Merge sync of head

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge from head

Merge r278538 through r279514.

Merge ^/head r279163 through r279308.

Replace constant with proper sizeof().

Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com>
MFC after: 2 weeks

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

Merge ^/head r275478 through r275622.