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After some reconsideration, we decided to move the binary protocol
back to 64-bit wide UIDs and GIDs. After all, it should be possible
to redefine [gu]id_t to uint64_t and things should continue to
work. As we want to avoid such data types in kdbus.h, let's move
back to 64-bit values and be safe.
In sd-bus, we have to do a translation between uint64_t and gid_t
now for supplementary gids.
Some inline comments have also been updated in kdbus upstream.
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Otherwise every daemon reload prints out warnings like:
systemd[1]: Unit type .busname is not supported on this system.
systemd[1]: Unit type .swap is not supported on this system.
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This fixes "machinectl login" on systems configured with --disable-kdbus.
The error was:
machinectl login foo
Failed to get machine PTY: Input/output error
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This change introduces a new state "tentative" for device units. Device
units are considered "plugged" when udev announced them, "dead" when
they are not available in the kernel, and "tentative" when they are
referenced in /proc/self/mountinfo or /proc/swaps but not (yet)
announced via udev.
This should fix a race when device nodes (like loop devices) are created
and immediately mounted. Previously, systemd might end up seeing the
mount unit before the device, and would thus pull down the mount because
its BindTo dependency on the device would not be fulfilled.
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Suggested by Zbyszek on IRC.
[zj: /run/nologin is used with PAM. systemd-user-session is independent
of logind.]
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Fixes the warning below.
src/shared/condition.c: In function ‘condition_new’:
src/shared/condition.c:47:27: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
assert(!parameter == (type == CONDITION_NULL));
^
src/shared/macro.h:42:44: note: in definition of macro ‘_unlikely_’
#define _unlikely_(x) (__builtin_expect(!!(x),0))
^
src/shared/macro.h:226:22: note: in expansion of macro ‘assert_se’
#define assert(expr) assert_se(expr)
^
src/shared/condition.c:47:9: note: in expansion of macro ‘assert’
assert(!parameter == (type == CONDITION_NULL));
^
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Introduce BindCarrier= to indicate the set of links that determine if
the current link should be brought UP or DOWN.
[tomegun: add a bit to commit message]
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src/boot/efi/splash.c:312:9: warning: implicit declaration of function ‘graphics_mode’ [-Wimplicit-function-declaration]
err = graphics_mode(TRUE);
^
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Printing it at info level was tedious. We don't do that for any other
overrides.
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Spotted by Thomas H.P. Andersen <phomes@gmail.com>
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By notifying the clients when this property is changed it's possible to
allow "system health monitor" tools to get transitions like
running<->degraded. This is an alternative to send changes on the
SystemState property since the latter is more difficult to derive.
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I'm trying to track down a relatively recent change in systemd
which broke OSTree; see https://bugzilla.gnome.org/show_bug.cgi?id=743891
Systemd started to stop sysroot.mount, and this patch should help
me debug why at least.
While we're here, "break" on the first unit we find that will
deactivate, as there's no point in further iteration.
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(David: fix up compile-failure and simplify code a bit)
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"machinectl set-limit"
When the pool size limit is altered with "machinectl set-limit", then
not only set the subvolume quota of the /var/lib/machine subvolume, but
also resize the backing loop file and the btrfs file system on it
dynamically.
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It probably is but check anyway to make coverity happy.
CID#1271354
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When running in user mode unmounting of mount units when a device
vanishes is unlikely to work, and even if it would work is already done
by PID 1 anyway. HEnce, when creating implicit dependencies between
mount units and their backing devices, created a Wants= type dependency
in --user mode, but leave a BindsTo= dependency in --system mode.
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Commit 668c965af "journal: skipping of exhausted journal files is bad if
direction changed" fixed a correctness issue, but it also significantly
limited the cases where the optimization that skips exhausted journal
files could apply.
As a result, some journalctl queries are much slower in v219 than in v218.
(e.g. queries where a "--since" cutoff should have quickly eliminated
older journal files from consideration, but didn't.)
If already in the initial iteration find_location_with_matches() finds
no entry, the journal file's location is not updated. This is fine,
except that:
- We must update at least f->last_direction. The optimization relies on
it. Let's separate that from journal_file_save_location() and update
it immediately after the direction checks.
- The optimization was conditional on "f->current_offset > 0", but it
would always be 0 in this scenario. This check is unnecessary for the
optimization.
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Add getrandom syscall numbers for MIPS. Based on Linux 3.17 kernel
(commit 42944521af97a3b25516f15f3149aec3779656dc, "MIPS: Wire up new
syscalls getrandom and memfd_create").
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If we have less samples than expected, systemd-bootchart will crash.
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CID#1271347/1271348
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CID#1271351
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CID#1271344/1271345
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arguments show statistics about pool
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assert(b->pipe[0] >= 0 && b->pipe[0] >= 0);
Test the same condition twice, pretty sure we mean
assert(b->pipe[0] >= 0 && b->pipe[1] >= 0);
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Many of machined's operations are now opened up to unprivileged clients
via PolicyKit. Open up the dbus policy so that we can actually make
these calls.
kdbus doesn't reuqire this, hence this wasn't noticed before.
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When manipulating container and VM images we need efficient and atomic
directory snapshots and file copies, as well as disk quota. btrfs
provides this, legacy file systems do not. Hence, implicitly create a
loopback file system in /var/lib/machines.raw and mount it to
/var/lib/machines, if that directory is not on btrfs anyway.
This is done implicitly and transparently the first time the user
invokes "machinectl import-xyz".
This allows us to take benefit of btrfs features for container
management without actually having the rest of the system use btrfs.
The loopback is sized 500M initially. Patches to grow it dynamically are
to follow.
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gcc5 spits out a warning about test-hashmap.c:
CC src/test/test-hashmap.o
src/test/test-hashmap.c: In function ‘test_string_compare_func’:
src/test/test-hashmap.c:76:79: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
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Fix the following gcc5 warning:
CC src/shared/libsystemd_shared_la-unit-name.lo
src/shared/unit-name.c: In function 'unit_name_is_valid':
src/shared/unit-name.c:102:34: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
if (!template_ok == TEMPLATE_VALID && at+1 == e)
^
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It is not necessary when running as telinit, etc.
https://bugzilla.redhat.com/show_bug.cgi?id=1184712
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Commit 6e1bf7ab99 used the wrong directory; we need rootlibexecdir, not
rootlibdir, as the latter is something like /lib/x86_64-linux-gnu/ on
multi-arch systems.
https://launchpad.net/bugs/1423867
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The kernel part of kdbus does not allow userspace to make any assumption on
which unique address the first user on the bus will get.
Instead, use sd_bus_get_unique_name() to get the server's address.
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CC src/shared/libsystemd_shared_la-time-util.lo
src/shared/time-util.c: In function 'parse_nsec':
src/shared/time-util.c:789:25: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
if (!*s != 0)
^
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