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Add UDPCheckSum option to enable transmitting UDP checksums when doing
VXLAN/IPv4. Add UDP6ZeroChecksumRx, and UDP6ZeroChecksumTx
options to enable sending zero checksums and receiving zero
checksums in VXLAN/IPv6
[tomegun: rebase manpage due to whitespace changes]
udevadm manual says:
A value of 0 will check if the queue is empty and always return
immediately.
However, currently we ignore the deadline if the value is 0, and wait
without any limit.
Zero timeout behaved according to the documentation until commit
ead7c62ab7 (udevadm: settle - kill alarm()). Looking at this patch, it
seems that the behavior change was unintended.
This patch restores the documented behavior.
Boolean arithmetic is great, use it!
if (a && !b)
return 1;
if (!a && b)
return -1,
is equivalent to
if (a != b)
return a - b;
Furthermore:
r = false;
if (condition)
r = true;
is equivalent to:
r = condition;
sd_device_new_from_* now returns -ENODEV when the device does not exist, and the enumerator
silently drops these errors as missing devices is exepected.
It is still possible to include uninitialized ones, but now that is opt-in. In most
cases people only want initialized devices. Exception is if you want to work without
udev running.
Suggested by David Herrmann.
When selinux calls our callback with a log message, it specifies the
type as AVC or INFO/WARNING/ERROR. The question is how to map this to
audit types and/or log priorities. SELINUX_AVC maps to AUDIT_USER_AVC
reasonably, but for the other messages we have no idea, hence we use
AUDIT_USER_AVC for everything. When not using audit logging, we can
map those selinux levels to LOG_INFO/WARNING/ERROR etc.
Also update comment which was not valid anymore in light of journald
sucking in audit logs, and was actually wrong from the beginning —
libselinux uses the callback for everything, not just avcs.
This stemmed out of https://bugzilla.redhat.com/show_bug.cgi?id=1195330,
but does not solve it.
The Trust TB7300 (relabelled Waltop?) tablet has a scrollwheel which shows
up as a /dev/input/event# node all by itself. Currently input_id does not
set any ID_INPUT_FOO attr on this causing it it to not be recognized by
Xorg / libinput.
This commit fixes this by marking it with ID_INPUT_KEY.
Reported-by: Sjoerd Timmer <themba@randomdata.nl>
Add the +C file attribute (NOCOW) to the journal directories, so that
the flag is inherited automatically for new journal files created in
them. The journal write pattern is problematic on btrfs file systems as
it results in badly fragmented files when copy-on-write (COW) is used:
the performances decreases substantially over time.
To avoid this issue, this tmpfile.d snippet sets the NOCOW attribute to
the journal files directories, so newly created journal files inherit
the NCOOW attribute that disables copy-on-write.
Be aware that the NOCOW file attribute also disables btrfs checksumming
for these files, and thus prevents btrfs from rebuilding corrupted files
on a RAID filesystem.
In a single disk filesystems (or filesystems without redundancy) it is
safe to use the NOCOW flags without drawbacks, since the journal files
contain their own checksumming.
Generally, we will not follow symlinks, except for "w".
Avoid documentation for now for fifo, device node, directory lines,
which currently follow symlinks but better shouldn't.
This code appears to follow the following convention:
- all errors are logged at point of origin
- oom errors abort execution, non-oom errors are logged but
execution continues.
Make sure all ooms result in a log message, and remove warning which could
not be reached. Downgrade non-fatal errors to warnings.
