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The find_kernel_modules_by_path function shouldn't filter out modules not
located underneath the /lib/modules/ver/kernel directory as out-of-tree
drivers may reside in /lib/modules/ver/extra and updated drivers in
/lib/modules/ver/updates.
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
dracut_install should return the real return value, so module install function
can detect the install failure.
Such as below in 99base:
dracut_install switch_root || dfatal "Failed to install switch_root"
Signed-off-by: Dave Young <dyoung@redhat.com>
Credits go to Alexander Tsoy <bugs+gentoo@puleglot.ru> who provided the
patch with following explanation:
I get messages "Skipping program $env{DM_SBIN_PATH}/..." when
generating initramfs. This happens because some udev rules contains
variables in path to command:
$ egrep -r 'IMPORT\{program\}=\"\$' /lib64/udev/rules.d/
/lib64/udev/rules.d/10-dm.rules:ENV{DM_COOKIE}=="?*", IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup udevflags $env{DM_COOKIE}"
[...]
$ sudo dracut -f "" 3.5.4-hardened-r1
I: *** Including module: dm ***
I: Skipping program $env{DM_SBIN_PATH}/dmsetup using in udev rule 10-dm.rules as it cannot be found
If new modules are introduced, or modules get renamed, or modules change
from builtin to real modules, we want to include them in the host-only
image, just to be safe.
An exception is multipath devices, child and top layer device may have
same uuid. As dm devices maintain /dev/mapper/* as persistent names,
just do not doing converting for them.
For devices with filesystem, udev /dev/disk/by-uuid/* links are always
reliable. So improve the get_persistent_dev() by using by-uuid/* firstly,
and fallback to use by-id/*
Signed-off-by: Dave Young <dyoung@redhat.com>
kdump module also need to convert dev name to udev symlinks.
So better to move function get_persistent_dev() to dracut-functions.sh
Also in this patch improvement and fix the original function:
a) use udevadm info --query=name to get the kernel name.
This will fix the issue caused by passing symbolic link of a device.
b) fix a bug to compare $_tmp instead of $i with $_dev. Really sorry,
should have tested more carefully.
Signed-off-by: Dave Young <dyoung@redhat.com>
for_each_host_dev_and_slaves currently is used in some module check()
functions and it's not necessary iterate all slaves. So use
check_block_and_slaves instead of check_block_and_slaves_all is fine.
Signed-off-by: Dave Young <dyoung@redhat.com>
For lvm, multipath, iscsi modules they do not care about the filesystem,
Also there could be devcie in host_devs but it does not get formated.
For these kind of modules, use for_each_host_dev_and_slaves will be better than use
for_each_host_dev_fs, here add a new function to iterate the host_devs and
their slave devices.
In original for_each_host_dev_fs, it will call check_block_and_slaves which
will return once helper function return 0, but this is not enough for kdump
iscsi setup. For kdump iscsi case, it need setup each slave devices so that
the iscsi target can be properly setuped in initramfs.
Thus, this patch also add new functions check_block_and_slaves_all and
for_each_host_dev_and_slaves_all.
Signed-off-by: Dave Young <dyoung@redhat.com>
Tested-by: WANG Chao <chaowang@redhat.com>
This reverts commit b2d225a669.
When there's no /sys/dev/block/$2/slaves/*/dev/ exists, $_x will
be assigned with '/sys/dev/block/$2/slaves/*/dev/', this is invalid.
That commit will lead to some warn msg like:
cat: /sys/dev/block/8:16/slaves/*/dev: No such file or directory
cat: /sys/dev/block/8:32/slaves/*/dev: No such file or directory
