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cryptsetup: automatically order crypt partitions before cryptsetup.target

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This commit is contained in:
Lennart Poettering 2010-11-18 02:16:36 +01:00
parent 21931dbe65
commit 2f8cd170ae
4 changed files with 40 additions and 6 deletions
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7
Makefile.am
View File

@ -188,6 +188,7 @@ dist_systemunit_DATA = \
units/halt.target \
units/kexec.target \
units/local-fs.target \
units/cryptsetup.target \
units/network.target \
units/nss-lookup.target \
units/mail-transfer-agent.target \
@ -1161,12 +1162,14 @@ install-data-hook:
fsck-root.service \
remount-rootfs.service \
var-run.mount \
var-lock.mount && \
var-lock.mount \
cryptsetup.target && \
$(LN_S) ../systemd-remount-api-vfs.service systemd-remount-api-vfs.service && \
$(LN_S) ../fsck-root.service fsck-root.service && \
$(LN_S) ../remount-rootfs.service remount-rootfs.service && \
$(LN_S) ../var-run.mount var-run.mount && \
$(LN_S) ../var-lock.mount var-lock.mount )
$(LN_S) ../var-lock.mount var-lock.mount && \
$(LN_S) ../cryptsetup.target )
( cd $(DESTDIR)$(userunitdir) && \
rm -f shutdown.target sockets.target local-fs.target swap.target bluetooth.target printer.target && \
$(LN_S) $(systemunitdir)/shutdown.target shutdown.target && \

4
TODO
View File

@ -88,12 +88,10 @@
* add to cpu cgroup by default
* introduce crypttab.target
External:
* make cryptsetup lower --iter-time
External:
* patch kernel for xattr support in /dev, /proc/, /sys and /sys/fs/cgroup.
* patch kernel for cpu feature modalias for autoloading aes/kvm/...

21
src/cryptsetup-generator.c
View File

@ -102,7 +102,7 @@ static int create_disk(
"DefaultDependencies=no\n"
"BindTo=%s dev-mapper-%%i.device\n"
"After=systemd-readahead-collect.service systemd-readahead-replay.service %s\n"
"Before=dev-mapper-%%i.device shutdown.target local-fs.target\n",
"Before=dev-mapper-%%i.device shutdown.target cryptsetup.target\n",
d, d);
if (password && (streq(password, "/dev/urandom") ||
@ -157,6 +157,25 @@ static int create_disk(
r = -errno;
goto fail;
}
free(to);
to = NULL;
if (!options || !has_option(options, "nofail")) {
if (asprintf(&to, "%s/cryptsetup.target.wants/%s", arg_dest, n) < 0) {
r = -ENOMEM;
goto fail;
}
mkdir_parents(to, 0755);
if (symlink(from, to) < 0) {
log_error("Failed to create symlink '%s' to '%s': %m", from, to);
r = -errno;
goto fail;
}
}
}
free(to);

14
units/cryptsetup.target Normal file
View File

@ -0,0 +1,14 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# See systemd.special(7) for details
[Unit]
Description=Encrypted Volumes
[Install]
WantedBy=local-fs.target