lsof -t "$ROOTFS_DIR" | xargs -r kill -9

zaoqi · zaoqi · commit 332b22bd55fd · 2019-08-26T15:14:26.000+08:00
diff --git a/lib.sh b/lib.sh
@@ -101,7 +101,7 @@ umount_swap(){
 }
 umount_rootfs_all(){
     [ -f "$ROOTFS_LOCK" ] || fail "rootfs is not mounted."
-    kill -9 $(lsof -t "$ROOTFS_DIR")
+    lsof -t "$ROOTFS_DIR" | xargs -r kill -9 # -r, --no-run-if-empty
     for d in /dev/pts /dev /proc /sys /tmp; do
 	umount "$ROOTFS_DIR/$d" 2>/dev/null
     done

Original file line number	Diff line number	Diff line change
`@@ -101,7 +101,7 @@ umount_swap(){`
`101`	`101`	`}`
`102`	`102`	`umount_rootfs_all(){`
`103`	`103`	`[ -f "$ROOTFS_LOCK" ] \|\| fail "rootfs is not mounted."`
`104`		`- kill -9 $(lsof -t "$ROOTFS_DIR")`
	`104`	`+ lsof -t "$ROOTFS_DIR" \| xargs -r kill -9 # -r, --no-run-if-empty`
`105`	`105`	`for d in /dev/pts /dev /proc /sys /tmp; do`
`106`	`106`	`umount "$ROOTFS_DIR/$d" 2>/dev/null`
`107`	`107`	`done`