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With removing the event reorder queue, we can fix the TIMEOUT events
like firmware loading proper, and never delay any of these events.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Netlink will never get out-of-order and we just depend on it from
now on. Udevsend messages will have no effect if they contain a
sequence number (SEQNUM).
Thanks to Bastian Blank <waldi@debian.org>, for the debugging session
which identified a bug where the timeouts are not working if
inotify was not available. All the timeout handling is removed
now and this issue should be solved.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
It was a workaround for speed up udev "coldplug", where ~800 events
happened a second time during bootup. No need for it with the rules
aleady parsed in the daemon.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Move socket init and rule parsing before forking, so we can start
emitting event immediately after udevd has started.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
The rules files are parsed only once at daemon startup. Every udev
event process will be fork()'d from udevd without exec()'ing the udev
binary. The in-memory rules will be inherited from the daemon itself.
If inotify is available, udevd will reload all rules if any change in
/etc/udev/rules.d/ happens. Otherwise -HUP or "udevcontrol reload_rules"
can be used.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
FAT32 volumes should never have a cluster count, that fits
into a 16 bit value, but mkdosfs can create such volumes.
No sane formatter or Windows will ever do this, but the
Linux kernel as Windows can read/write it.
Thanks to Ted Ts'o <tytso@mit.edu> for convincing me.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Recent changes to the sysfs layout introduced class-devices pointed to
by a symlink, instead of the real object at that location.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Netlink events get lost when the kernel creates thousends of events
faster than udevd reads it. The default is 128 KB, which can carry
app. 500 events. Set it to 16 MB now.
I have 4000 fibrechannel LUNs connected to my system. There are two
paths to the devices and two ports on the host connected via a switch.
This gives 16000 when probed.
I have had problems getting all of the entries in /dev created.
-- Mark Haverkamp <markh@osdl.org>
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
UDEVD_EVENT_TIMEOUT=0 didn't work directly after udevd startup.
The whole event timeout handling is not needed since we use netlink.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
