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To make the result more visible, special return value
is used to tell automake that the test was skipped. While
at it, use the same return value in other skipped tests.
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The rules governing %s where just too complicated. First of
all, looking at $SHELL is dangerous. For systemd --system,
it usually wouldn't be set. But it could be set if the admin
first started a debug shell, let's say /sbin/sash, and then
launched systemd from it. This shouldn't influence how daemons
are started later on, so is better ignored. Similar reasoning
holds for session mode. Some shells set $SHELL, while other
set it only when it wasn't set previously (e.g. zsh). This
results in fragility that is better avoided by ignoring $SHELL
totally.
With $SHELL out of the way, simplify things by saying that
%s==/bin/sh for root, and the configured shell otherwise.
get_shell() is the only caller, so it can be inlined.
Fixes one issue seen with 'make check'.
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Previously it was necessary to pull in remote-fs-pre.target to order the
mount units against network.target since the ordering was done
transitively via remote-fs-pre.target.
As network implementations shouldn't need to know about the specific
use-case of network mounts we instead now simply order network.target
against all mounts too. This should make it unnecessary for network
managing services to import remote-fs-pre.target explicitly, as
network.target will now suffice.
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- check for OOM
- no need to use floats and round()
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Readahead has all sorts of bad side effects depending on your
storage media. On rotating disks, it may be degrading startup
performance if enough requests are queued spanning linearly
over all blocks early at boot, and mount, blkid and friends
want to insert reads to the start of these block devices after.
The end result is that on spinning disks with ext3/4 that udev
and mounts take a very long time, and nothing really happens until
readahead is completely finished.
This has the net effect that the CPU is almost entirely idle
for the entire period that readahead is working. We could have
finished starting up quite a lot of services in this time if
we were smarter at how we do readahead.
This patch sorts all requests into 2 second "chunks" and sub-sorts
each chunk by block. This adds a single cross-drive seek per "chunk"
but has the benefit that we will have a lot of the blocks we need
early on in the boot sequence loaded into memory faster.
For a comparison of how before/after bootcharts look (ext4 on a
mobile 5400rpm 250GB drive) please look at:
http://foo-projects.org/~sofar/blocked-tests/
There are bootcharts in the "before" and "after" folders where you
should be able to see that many low-level services finish 5-7
seconds earlier with the patch applied (after).
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If there's a GPT partition label set for a LUKS partition, then it's
nicer to show that than the model number, when asking for a passphrase.
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x-initrd.mount now has different meanings, if fstab-generator is called
in the initramfs.
initrd:/etc/fstab and x-initrd.mount defines mounts for the
initrd-root-fs.target
initrd:/sysroot/etc/fstab and x-initrd.mount defines mounts for the
initrd-fs.target
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As passive units only are useful for ordering things within the initial
transaction there is no point in ever activating them manually, hence
refuse it.
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Some installation media (fedora at least) does not have and need a
"root=" argument on the kernel command line.
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This moved to src/udev/udev-builtin-uaccess.c a while ago.
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is already loaded
After all, this runs in parallel to udev, so there's quite a chance it
already is....
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basic.target
There isn't really any need to require any targets but sysinit.target
from basic.target, so downgrade sockets.target, paths.target,
timers.target.
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This way we can hide more than just the hello logic behind this flag,
for example, later on automatic match management.
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user instance
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which ones aren't
This also adds a short explanation paragraph for this.
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Units such as nss-lookup.target, nss-user-lookup.target,
remote-fs-pre.target, local-fs-pre.target, time-sync.target,
rpcbind.target are to be pulled in by the implementing services, and
that's there only purpose. They should not have any 'active component'
otherwise, so let's drop all further deps from these units.
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mounts
This introduces remote-fs-setup.target independently of
remote-fs-pre.target. The former is only for pulling things in, the
latter only for ordering.
The new semantics:
remote-fs-setup.target: is pulled in automatically by all remote mounts.
Shall be used to pull in other units that want to run when at least one
remote mount is set up. Is not ordered against the actual mount units,
in order to allow activation of its dependencies even 'a posteriori',
i.e. when a mount is established outside of systemd and is only picked
up by it.
remote-fs-pre.target: needs to be pulled in automatically by the
implementing service, is otherwise not part of the initial transaction.
This is ordered before all remote mount units.
A service that wants to be pulled in and run before all remote mounts
should hence have:
a) WantedBy=remote-fs-setup.target -- so that it is pulled in
b) Wants=remote-fs-pre.target + Before=remote-fs-pre.target -- so that
it is ordered before the mount point, normally.
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This reverts commit 6bde0b3220e95a08cefb70846f73b2cf24b7734a.
We should not pull in remote-fs-pre.target unconditionally. It's
supposed to be pulled in by the implementors of it, rather then its
users.
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Not that it would matter much, but let's make things a bit more
systematic: early boot services shall order themselves before
sysinit.target, and nothing else.
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into for boot
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This changes the fstab mount option x-initrd-rootfs.mount to
x-initrd.rootfs, in order to only use a single namespace "x-initrd." for
all mount options of the initrd.
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Add option to force journal sync with fsync. Default timeout is 5min.
Interval configured via SyncIntervalSec option at journal.conf. Synced
journal files will be marked as OFFLINE.
Manual sync can be performed via sending SIGUSR1.
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Let's say you have two initscripts, A and B:
A contains in its LSB header:
Required-Start: C
and B contains in its LSB header:
Provides: C
When systemd is parsing /etc/rc.d/, depending on the file order, you
can end up with either:
- B is parsed first. An unit "C.service" will be "created" and will be
added as additional name to B.service, with unit_add_name. No bug.
- A is parsed first. An unit "C.service" is created for the
"Required-Start" dependency (it will have no file attached, since
nothing provides this dependency yet). Then B is parsed and when trying
to handle "Provides: C", unit_add_name is called but will fail, because
"C.service" already exists in manager->units. Therefore, a merge should
occur for that case.
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