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check dump target mounting earlier 

Moving the checking target mount code a little earlier to ensure
dump target is mounted and fail out early before other handlings.

This change also cleanup a bit for the related code.

Tested UUID/devname local dump, also tested the non-exist kdump target.

Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Baoquan He <bhe@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
dyoung@redhat.com 2013-03-05 16:07:36 +08:00 committed by Baoquan He
parent 4b9c868b8d
commit 218456d453
1 changed files with 10 additions and 13 deletions
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23
mkdumprd
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@ -65,12 +65,13 @@ target_is_root() {
[ "$_t" = "/" ]
}
# caller should ensure $1 is valid and mounted in 1st kernel
to_mount() {
local _dev=$1 _s _t _o _mntopts _pdev
_s=$(findmnt -k -f -n -r -o SOURCE $_dev)
_t=$(findmnt -k -f -n -r -o TARGET,FSTYPE $_dev)
_o=$(findmnt -k -f -n -r -o OPTIONS $_dev)
[ -z "$_t" -o -z "$_o" ] && return
_o=${_o/#ro/rw} #mount fs target as rw in 2nd kernel
_mntopts="$_t $_o"
#for non-nfs _dev converting to use udev persistent name
@ -113,6 +114,7 @@ get_ssh_size() {
#mkdir if save path does not exist on dump target filesystem
#$1=dump target
#caller should ensure $1 is mounted
mkdir_save_path() {
local _mnt=$(to_mount_point $1)
local _remount="no"
@ -210,16 +212,10 @@ verify_core_collector() {
}
add_mount() {
local _mnt=$(to_mount "$1")
if target_is_root "$1"; then
:
elif [ -n "$_mnt" ]; then
if ! target_is_root "$1"; then
local _mnt=$(to_mount "$1")
add_dracut_mount "$_mnt"
else
return 1
fi
return 0
}
# firstly get right SSH_KEY_LOCATION
@ -240,14 +236,15 @@ do
extra_modules="$extra_modules $config_val"
;;
ext[234]|xfs|btrfs|minix|nfs)
if ! findmnt $config_val >/dev/null; then
echo "Dump target $config_val is probably not mounted."
exit 1
fi
if [ "$config_opt" = "nfs" ]; then
add_dracut_module "nfs"
fi
add_mount "$config_val"
if [ $? -ne 0 ]; then
echo "Dump target $config_val is probably not mounted."
exit 1
fi
mkdir_save_path $config_val
check_size fs $config_val
;;