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2012-01-16unit: remove union UnitMichal Schmidt
Now that objects of all unit types are allocated the exact amount of memory they need, the Unit union has lost its purpose. Remove it. "Unit" is a more natural name for the base unit class than "Meta", so rename Meta to Unit. Access to members of the base class gets simplified.
2012-01-16unit: reduce heap usage for unit objectsMichal Schmidt
The storage of the unit objects on the heap is currently not very efficient. For every unit object we allocate a chunk of memory as large as the biggest unit type, although there are significant differences in the units' real requirements. pahole shows the following sizes of structs: 488 Target 496 Snapshot 512 Device 528 Path 560 Timer 576 Automount 1080 Socket 1160 Swap 1168 Service 1280 Mount Usually there aren't many targets or snapshots in the system, but Device is one of the most common unit types and for every one we waste 1280 - 512 = 768 bytes. Fix it by allocating only the right amount for the given unit type. On my machine (x86_64, with 39 LVM volumes) this decreases systemd's USS (unique set size) by more than 300 KB.
2012-01-06unit: properly update references to units which are mergedLennart Poettering
When we merge units that some kind of object points to, those pointers might become invalidated, and needs to be updated. Introduce a UnitRef struct which links up all the unit references, to ensure corrected references. At the same time, drop configured_sockets in the Service object, and replace it by proper UNIT_TRIGGERS resp. UNIT_TRIGGERED_BY dependencies, which allow us to simplify a lot of code.
2011-10-07journal: add preliminary incomplete implementationLennart Poettering
2011-08-23cgroup: optionally mount a specific cgroup controllers together, and add ↵Lennart Poettering
cpu+cpuacct to the default
2011-08-01load-fragment: speed up parsing by using a perfect hash table with ↵Lennart Poettering
configuration settings built by gperf
2011-06-21english: s/_per_/_by_/Lennart Poettering
2011-04-16manager: introduce IgnoreOnIsolate flag so that we can keep systemd-logger ↵Lennart Poettering
around when isolating
2011-02-28Spelling CorrectionsHarald Hoyer
Just some lame spelling corrections with no functionality.
2011-02-25systemctl: shutdown agent explicitly so that it can reset the tty properlyLennart Poettering
2011-02-25label: udev might be making changes in /dev while we iterate through itLennart Poettering
Also, there are most likely dead symlinks in there, so let's ignore ENOENT when we relabel. https://bugzilla.redhat.com/show_bug.cgi?id=680169
2011-01-26automount: use unit_pending_inactive() where appropriateLennart Poettering
2011-01-20service: when reloading a service fails don't fail the entire service but ↵Lennart Poettering
just the reload job
2010-10-29units: order units by default before appropriate targets in case they are ↵Lennart Poettering
pulled indirectly
2010-10-29unit: get rid of gnoreDependencyFailure= instead treat ConflictedBy= as ↵Lennart Poettering
weaker counterpart of Conflicts=, similar to Wants= vs. Requires=
2010-10-28automount: show who's triggering an automountLennart Poettering
2010-10-19fsck: properly hook in fsck everywhere, add special support for fsck'ing ↵Lennart Poettering
root dir
2010-09-06automount: make sure we don't crash if there's an automount unit without ↵Lennart Poettering
mount unit
2010-08-31manager: rename 'maintenance' state to 'failed' to avoid user confusionMatthew Miller
https://bugzilla.redhat.com/show_bug.cgi?id=614619
2010-08-20dbus: follow standardized fdo PropertiesChanged signal specLennart Poettering
2010-08-14emacs: make sure nobody accidently adds tabs to our sourcesLennart Poettering
2010-08-11selinux: split off selinux calls into seperate file label.cLennart Poettering
2010-08-11clang: fix numerous little issues found with clang-analyzerLennart Poettering
2010-08-09manager: when two pending jobs conflict, keep the one that "conflicts", ↵Lennart Poettering
remove the one that is "conflicted" This gives the writer of units control which unit is kept and which is stopped when two units conflict.
2010-08-06automount: order automount units after fsck, tooLennart Poettering
2010-08-03Systemd is causing mislabeled devices to be created and then attempting to ↵Daniel J Walsh
read them. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/28/2010 05:57 AM, Kay Sievers wrote: > On Wed, Jul 28, 2010 at 11:43, Lennart Poettering > <lennart@poettering.net> wrote: >> On Mon, 26.07.10 16:42, Daniel J Walsh (dwalsh@redhat.com) wrote: >>> tcontext=system_u:object_r:device_t:s0 tclass=chr_file >>> type=1400 audit(1280174589.476:7): avc: denied { read } for pid=1 >>> comm="systemd" name="autofs" dev=devtmpfs ino=9482 >>> scontext=system_u:system_r:init_t:s0 >>> tcontext=system_u:object_r:device_t:s0 tclass=chr_file >>> type=1400 audit(1280174589.476:8): avc: denied { read } for pid=1 >>> comm="systemd" name="autofs" dev=devtmpfs ino=9482 >>> scontext=system_u:system_r:init_t:s0 >>> tcontext=system_u:object_r:device_t:s0 tclass=chr_file >>> >>> Lennart, we talked about this earlier. I think this is caused by the >>> modprobe calls to create /dev/autofs. Since udev is not created at the >>> point that init loads the kernel modules, the devices get created with >>> the wrong label. Once udev starts the labels get fixed. >>> >>> I can allow init_t to read device_t chr_files. >> >> Hmm, I think a cleaner fix would be to make systemd relabel this device >> properly before accessing it? Given that this is only one device this >> should not be a problem for us to maintain, I think? How would the >> fixing of the label work? Would we have to spawn restorecon for this, or >> can we actually do this in C without too much work? > > I guess we can just do what udev is doing, and call setfilecon(), with > a context of an earlier matchpathcon(). > > Kay > _______________________________________________ > systemd-devel mailing list > systemd-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/systemd-devel Here is the updated patch with a fix for the labeling of /dev/autofs -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkxQMyoACgkQrlYvE4MpobNviACfWgxsjW2xzz1qznFex8RVAQHf gIEAmwRmRcLvGqYtwQaZ3WKIg8wmrwNk =pC2e
2010-07-19systemctl: introduce reset-maintenance commandLennart Poettering
2010-07-13socket: when the socket is supposed to stop, don't accept any connections ↵Lennart Poettering
anymore
2010-07-12mount: add automatic start ordering dependencies for mountsLennart Poettering
2010-07-10mount: add implicit umount.target conflicts only in system modeLennart Poettering
2010-07-10automount: refuse automounts for the root file systemLennart Poettering
2010-07-10units: introduce umount.target for unmounting all file systemsLennart Poettering
2010-07-08dbus: make errors reported via D-Bus more usefulLennart Poettering
2010-07-03unit: simplify things a little by introducing API to add two dependencies in ↵Lennart Poettering
one step
2010-07-02automount: add DirectoryMode= settingLennart Poettering
2010-07-01unit: shorten active state enums to make systemctl output nicerLennart Poettering
2010-07-01unit: add new abstracted maintenance state for unitsLennart Poettering
2010-06-19unit: get rid of various unnecessary castsLennart Poettering
2010-06-18systemctl: add /dev/initctl fallbackLennart Poettering
2010-06-16typo: the correct spelling is maintenance not maintainanceLennart Poettering
2010-05-24path: add .path unit type for monitoring filesLennart Poettering
2010-05-22kmod: automatically load a few kernel modules we need for normal operation ↵Lennart Poettering
before udev is active
2010-05-19automount: try to modprobe autofs4 if its lackingLennart Poettering
2010-05-19automount: never consider our own mount point a prefix mount of usLennart Poettering
2010-05-16build-sys: move source files to subdirectoryLennart Poettering
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