| Commit message (Collapse) | Author | Age | Files | Lines |
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The reasoning behind this, is that if we are consistent in our
documentation about the uint*_t stuff, people will be less tempted to
write new code that uses the non-standard types.
I am not going to bump the man page dates, as these changes can be
considered style nits. The meaning of the man pages is unaffected.
MFC after: 1 month
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The index() and rindex() functions were marked LEGACY in the 2001
revision of POSIX and were subsequently removed from the 2008 revision.
The strchr() and strrchr() functions are part of the C standard.
This makes the source code a lot more consistent, as most of these C
files also call into other str*() routines. In fact, about a dozen
already perform strchr() calls.
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writing label into a file image. The most common use - putting disklabel
into ISO file. Before this change the label would always go to
the offset 512, while geom_part code expects it to be in the 1st
sector (i.e. 2048 incase of ISO). BSD disklabels provide good and
lightweight way to logically split livecds. It is non-intrusive as
far as ISO9660 goes (both boot-wise and metadata-wise) and
completely transparent to anything but BSD, so you can have
BSD-specific area appended after regular ISO.
And with a little bit of GEOM trickery you can do even more
interesting stuff with it.
For example we make "hybrid" bootable CDs using this method.
We create bootable ISO with kernel and such and append UFS
image compressed with UZIP and it works like a charm. We put
label based on the offsef of the BSD part into the ISO. The kernel
boots off normal ISO9660 part, tastes label attaches it,
tastes UZIP, attaches it and finally mounts UFS using GEOM_LABEL.
This provides much better way of eliminating waste than doing
"crunched" build.
MFC after: 1 month
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All global variables and functions are marked static. Simply because
this is an enum, doesn't mean we can't do so as well.
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MFC after: 2 weeks
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or bootcode to already opened provider.
MFC after: 1 week
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MFC after: 1 week
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fields, but user could specify some of those fields when edits disklabel
with `bsdlabel -e`. But without -A flag these fields might be
overwritten with default values from the virgin disklabel.
So, don't overwrite such fields if they are not zero. Also add checks
to prevent creating disklabel with less than DEFPARTITIONS and more
than MAXPARTITIONS partitions.
PR: bin/162332
Tested by: Eugene Grosbein
MFC after: 1 week
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partitions to 20.
MFC after: 1 week
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This makes partitions between 50GiB and 2TiB (16TiB for 4k drives) print
correctly aligned.
While here, fix type of secsize. g_sectorsize() returns ssize_t, don't
store this in an unsigned var. Bump WARNS to 6.
MFC after: 4 weeks
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- the default label now includes an a: partition by default
- the c: partition is no longer exported via devfs
- writing of the labels usually works in all cases, though the script
assumes half of them have to fail
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and contains little more than an out-dated copy of <sys/disklabel.h>
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not available. This improves error reporting when bsdlabel(8) is unable
to open a device for writing. If GEOM_BSD was unavailable, only a rather
obscure error message "Class not found" was printed.
PR: bin/58390
Reviewed by: ae
Discussed with: marcel
MFC after: 1 month
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Prefer MACHNE_CPUARCH to MACHINE_ARCH in most contexts where you want
to test of all the CPUs of a given family conform.
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places.
- In getasciilabel(), set the disk type only when a valid type is given.
PR: bin/86765
MFC after: 2 weeks
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int.
- Use errx(3) instead of err(3) to print the error message on short
reads in readlabel(). errno won't be set on short reads which can
easily occur here due to the fixed size read request.
PR: 144307
Reviewed by: bde
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Submitted by: Ulrich Spörlein
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the GEOM_BSD class -- to translate the absolute offsets in the label to
relative ones. This makes bslabel(8) work correctly with GEOM_PART and
also when the BSD label is nested under arbitrary partitioning schemes.
Inspired by: Eygene Ryabinkin <rea-fbsd@codelabs.ru>
Approved by: re (kib)
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on g_providername failure.
Suggested by: pjd
Approved by: pjd (mentor)
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- While there, make error messages consistent with the rest.
Approved by: kib (mentor)
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PR: bin/127573
Submitted by: Eygene Ryabinkin
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size and the sector size.
- Fix a bug where bsdlabel would try to read a regular file using the geom_bsd
class.
Quick review by: phk
Approved by: pjd (mentor)
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The is comment is left over from the old disklabel command.
Reviewed by: phk
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by virtue of there not being any (lower-case) letters avaliable for
more partitions.
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Noticed by: brueffer
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section (if nothing had been specified, or if the auto type had
been specified, a default layout is used).
PR: docs/116047
Submitted by: Ian Smith <smithi at nimnet dot asn dot au>
Minor modifications by me.
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- Somewhat improve wording.
- Change the layout of the EXAMPLES section so that descriptions
come before example, as in most other manpages.
- Fix a bad example that edits a label using a `c' partition.
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PR: bin/104616
Submitted by: Oliver Fromme
MFC after: 1 week
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replace them with references to newfs(8) which documents them.
- Remove mentions of LFS support for which was retired in 1998.
- Regenerate an example output.
PR: docs/84913
MFC after: 3 days
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PR: docs/84467
Submitted by: Gary W. Swearingen
MFC after: 3 days
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Requested by: hrs
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MFC after: 3 days
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PR: docs/84704
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to take into account the new default of starting the first partition
after the boot blocks instead of at sector 0. If you used automatic
sizing when the first partition did not start at 0, you would get
an error that the automatically sized partition extended beyond the
end of the disk.
Note that there are probably still many more complex cases where
automatic sizing and placement will not work (e.g. non-contiguous
or out of order partitions).
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complementing the existing special case of a not existing /dev prefix
with the recognition of an already existing /dev prefix.
This implicitly solves the following two issues related to working on
GEOM devices /dev/foo/bar (which have the GEOM provider name "foo/bar")
with the expected commands like "bsdlabel /dev/foo/bar":
1. the error "Geom not found" when trying to write or edit the BSD
label (because previously the incorrect GEOM name "bar" instead of
"foo/bar" was derived from "/dev/foo/bar").
2. the multiple times reported "magically introduced" partition offset
of 63 blocks and the resulting errors like "partition extends past
end of unit" and "partition c doesn't start at 0!".
This implicitly resulted because bsdlabel(8) determines the "MBR
offset" via GEOM and (intentionally) silently falls back to an offset
of 0 if it could not be queried (which is the case if the name was
incorrectly derived).
Usually (at least on PCs) the offset for the first slice is 63 blocks
and bsdlabel(8) automatically subtracts them from the absolute
offsets in the read on-disk BSD label, resulting in the display of an
effective offset of 0. If the GEOM query fails, the assumed offset of
0 is subtracted and an incorrect effective offset of 63 is displayed
and tried to be worked upon.
Reviewed by: pjd
MFC after: 1 week
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0xffffffff sectors. Document this limit and avoid installing bogus
labels on disks with more sectors.
Allowing the installation of labels addressing as much of the disk as
possiable may be a useful addition in some situations, but this was easy
to implement and should reduce confusion.
PR: bin/71408
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support for the T multiplier; improve the error message for unrecognized
multipliers.
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avoid confusing auto-indenting editors.
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