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Move the sources to sys/boot. Make adjustments related to the
move. Kill LIBSTAND_SRC since it's no longer needed.
Sponsored by: Netflix
Notes:
svn path=/head/; revision=324551
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Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.
Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96
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svn path=/head/; revision=314436
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case. We never called devopen(), so we know there's nothing to close.
Notes:
svn path=/head/; revision=289044
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to counteract the default behaviour of always trying each and every
file system until one succeeds, or the open fails. The problem with the
loader is that we've implemented features based on this behavior. The
handling of compressed files is a good example of this. However, it is
in general highly undesirable to not have a one-time probe (or taste
in the geom lingo), followed by something similar to a mount whenever
we (first) read from a device. Everytime we go to the same device, we
can reasonably assume it (still) has the same file system. For file
systems that need to do far more that a trivial read of a super block,
not having something similar to a mount operation is disastrous from
a performance (and thus usability) perspective.
But, again, since we've implemented features based on this stateless
approach, things can get complicated quickly if and when we want to
change this. And yet, we sometimes do need stateful behaviour.
For this reason, this change simply introduces exclusive_file_system.
When set to the fsops of the file system to use, the open call will
only try this file system. Setting it to NULL restores the default
behaviour. It's a low-cost (low-brow?) approach to provide enough
control without re-implementing the guts of the loader.
A good example of when this is useful is when we're trying to load
files out of a container (say, a software packaga) that itself lives
on a file system or is fetched over the network. While opening the
container can be done in the normal stateless manner, once it is
opened, subsequent opens should only consider the container.
Obtained from: Juniper Networks, Inc.
Notes:
svn path=/head/; revision=269308
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later on would try to free it, leading to a crash.
PR: 93998
Submitted by: neel
MFC after: 1 week
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svn path=/head/; revision=198542
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svn path=/head/; revision=165906
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svn path=/head/; revision=84221
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svn path=/head/; revision=65655
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Notes:
svn path=/head/; revision=65654
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the efficiency of byte-by-byte read operations on filesystems not already
supported by the block cache (especially NFS).
This should be a welcome change for users booting via PXE, as the loader
now reads its startup files almost instantly, instead of taking tens of
seconds.
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svn path=/head/; revision=65470
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disks.
* Fix a whole raft of warnings, printf and otherwise.
* Make zalloc work for alpha (just a case of using the right typedef).
* Add some (disabled) malloc debug printing to stand.h.
Notes:
svn path=/head/; revision=39672
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modules).
Obtained from: NetBSD, with some architectural changes and many additions.
Notes:
svn path=/cvs2svn/branches/MSMITH/; revision=38451
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