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Add a dracut option --device to bring up a device in initramfs 

Kdump support dump to raw device which could be on top of complex storage
such as multipath and iscsi which are standalone dracut modules.

Add a --device option to dracut which will add the device to host_devs so
dracut can add the dependent modules automaticlly and enable them in initramfs.

--device will accept device node name as the param.

Signed-off-by: Dave Young <dyoung@redhat.com>
Tested-by: Chao Wang <chaowang@redhat.com>
master
dyoung@redhat.com 2012-08-23 11:02:24 +08:00 committed by Harald Hoyer
parent 83e0dc7a3d
commit 52f1b04183
2 changed files with 6 additions and 0 deletions
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3
dracut.8.asc
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@ -321,6 +321,9 @@ provide a valid _/etc/fstab_.
Mount _<device>_ on _<mountpoint>_ with _<filesystem type>_ and _<filesystem Mount _<device>_ on _<mountpoint>_ with _<filesystem type>_ and _<filesystem
options>_ in the initramfs options>_ in the initramfs


**--device** _<device>_ ::
Bring up _<device>_ in initramfs, _<device>_ should be the device name

**-i, --include** _<SOURCE>_ _<TARGET>_:: **-i, --include** _<SOURCE>_ _<TARGET>_::
include the files in the SOURCE directory into the include the files in the SOURCE directory into the
TARGET directory in the final initramfs. If SOURCE is a file, it will be TARGET directory in the final initramfs. If SOURCE is a file, it will be

3
dracut.sh
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@ -133,6 +133,7 @@ Creates initial ramdisk images for preloading modules
--mount "[DEV] [MP] [FSTYPE] [FSOPTS]" --mount "[DEV] [MP] [FSTYPE] [FSOPTS]"
Mount device [DEV] on mountpoint [MP] with filesystem Mount device [DEV] on mountpoint [MP] with filesystem
[FSTYPE] and options [FSOPTS] in the initramfs [FSTYPE] and options [FSOPTS] in the initramfs
--device "[DEV]" Bring up [DEV] in initramfs
-i, --include [SOURCE] [TARGET] -i, --include [SOURCE] [TARGET]
Include the files in the SOURCE directory into the Include the files in the SOURCE directory into the
Target directory in the final initramfs. Target directory in the final initramfs.
@ -261,6 +262,7 @@ TEMP=$(unset POSIXLY_CORRECT; getopt \
--long fscks: \ --long fscks: \
--long add-fstab: \ --long add-fstab: \
--long mount: \ --long mount: \
--long device: \
--long nofscks: \ --long nofscks: \
--long ro-mnt \ --long ro-mnt \
--long kmoddir: \ --long kmoddir: \
@ -327,6 +329,7 @@ while :; do
--fscks) push fscks_l "$2"; shift;; --fscks) push fscks_l "$2"; shift;;
--add-fstab) push add_fstab_l "$2"; shift;; --add-fstab) push add_fstab_l "$2"; shift;;
--mount) push fstab_lines "$2"; shift;; --mount) push fstab_lines "$2"; shift;;
--device) push host_devs "$2"; shift;;
--nofscks) nofscks_l="yes";; --nofscks) nofscks_l="yes";;
--ro-mnt) ro_mnt_l="yes";; --ro-mnt) ro_mnt_l="yes";;
-k|--kmoddir) drivers_dir_l="$2"; shift;; -k|--kmoddir) drivers_dir_l="$2"; shift;;