New service that waits on zvol links to be created

The zfs-volume-wait.service scans existing zvols and waits for their
links under /dev to be created. Any service that depends on zvol
links to be there should add a dependency on zfs-volumes.target.
By default, this target is not enabled.

Reviewed-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Reviewed-by: Antonio Russo <antonio.e.russo@gmail.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: John Gallagher <john.gallagher@delphix.com>
Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Pavel Zakharov <pzakharov@delphix.com>
Closes #8975
This commit is contained in:
Pavel Zakharov
2019-07-17 18:33:05 -04:00
committed by Brian Behlendorf
parent d64dd3b62a
commit 26b6047469
11 changed files with 145 additions and 3 deletions
+2 -1
View File
@@ -322,7 +322,7 @@ image which is ZFS aware.
%if 0%{?_systemd}
%define systemd --enable-systemd --with-systemdunitdir=%{_unitdir} --with-systemdpresetdir=%{_presetdir} --with-systemdmodulesloaddir=%{_modulesloaddir} --with-systemdgeneratordir=%{_systemdgeneratordir} --disable-sysvinit
%define systemd_svcs zfs-import-cache.service zfs-import-scan.service zfs-mount.service zfs-share.service zfs-zed.service zfs.target zfs-import.target
%define systemd_svcs zfs-import-cache.service zfs-import-scan.service zfs-mount.service zfs-share.service zfs-zed.service zfs.target zfs-import.target zfs-volume-wait.service zfs-volumes.target
%else
%define systemd --enable-sysvinit --disable-systemd
%endif
@@ -419,6 +419,7 @@ systemctl --system daemon-reload >/dev/null || true
%{_sbindir}/*
%{_bindir}/raidz_test
%{_bindir}/zgenhostid
%{_bindir}/zvol_wait
# Optional Python 2/3 scripts
%{_bindir}/arc_summary
%{_bindir}/arcstat