mirror_zfs/cmd/zed
Tony Hutter e27e692bcc
zed: Fix config_sync autoexpand flood
Users were seeing floods of `config_sync` events when autoexpand was
enabled.  This happened because all "disk status change" udev events
invoke the autoexpand codepath, which calls zpool_relabel_disk(),
which in turn cause another "disk status change" event to happen,
in a feedback loop.  Note that "disk status change" happens every time
a user calls close() on a block device.

This commit breaks the feedback loop by only allowing an autoexpand
to happen if the disk actually changed size.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes: #7132
Closes: #7366
Closes #13729
2022-09-08 10:32:30 -07:00
..
agents zed: Fix config_sync autoexpand flood 2022-09-08 10:32:30 -07:00
zed.d Replace EXTRA_DIST with dist_noinst_DATA 2022-05-26 09:24:50 -07:00
.gitignore Initial implementation of zed (ZFS Event Daemon) 2014-04-02 13:10:03 -07:00
Makefile.am Replace EXTRA_DIST with dist_noinst_DATA 2022-05-26 09:24:50 -07:00
zed_conf.c Prevent zevent list from consuming all of kernel memory 2022-08-22 12:36:22 -07:00
zed_conf.h Prevent zevent list from consuming all of kernel memory 2022-08-22 12:36:22 -07:00
zed_disk_event.c zed: Fix config_sync autoexpand flood 2022-09-08 10:32:30 -07:00
zed_disk_event.h Bring over illumos ZFS FMA logic -- phase 1 2016-09-01 11:39:45 -07:00
zed_event.c Prevent zevent list from consuming all of kernel memory 2022-08-22 12:36:22 -07:00
zed_event.h Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_exec.c zed: exec: fix unused, remove argsused 2021-12-21 12:05:11 -08:00
zed_exec.h Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_file.c Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_file.h Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_log.c Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_log.h Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_strings.c Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed_strings.h Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00
zed.c zed: main: fix unused, remove argsused 2021-12-21 12:05:11 -08:00
zed.h Replace ZoL with OpenZFS where applicable 2021-05-07 17:20:37 -07:00