[PATCH v3 1/3] Add lvm2 thin provision dump target checker

We need to check if a directory or a device is lvm2 thinp target. First, we use get_block_dump_target() to convert dump path into block device, then we check if the device is lvm2 thinp target by cmd lvs. Signed-off-by: Tao Liu <ltao(a)redhat.com&gt; --- kdump-lib-initramfs.sh | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/kdump-lib-initramfs.sh b/kdump-lib-initramfs.sh index 84e6bf7..92404f4 100755 --- a/kdump-lib-initramfs.sh +++ b/kdump-lib-initramfs.sh @@ -131,3 +131,22 @@ is_fs_dump_target() { [ -n "$(kdump_get_conf_val "ext[234]\|xfs\|btrfs\|minix")" ] } + +is_lvm2_thinp_device() +{ + _device_path=$1 + _lvm2_thin_device=$(lvs -S 'lv_layout=sparse && lv_layout=thin' \ + --nosuffix --noheadings -o vg_name,lv_name "$_device_path" 2>/dev/null) + + [ -n "$_lvm2_thin_device" ] && return $? +} + +is_lvm2_thinp_dump_target() +{ + _target=$(get_block_dump_target) + if [ -n "$_target" ]; then + is_lvm2_thinp_device "$_target" + else + return 1 + fi +} \ No newline at end of file -- 2.33.1