From 0299d2814fad96101feca7f00d66b4a1b4ed1de5 Mon Sep 17 00:00:00 2001
From: Bruce Leidl <bruce@subgraph.com>
Date: Tue, 29 Jan 2019 11:56:56 -0500
Subject: [PATCH] function added to also find mounts by target path

---
 libcitadel/src/mount.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libcitadel/src/mount.rs b/libcitadel/src/mount.rs
index 8122d50..46b6642 100644
--- a/libcitadel/src/mount.rs
+++ b/libcitadel/src/mount.rs
@@ -15,12 +15,17 @@ impl Mount {
     /// Returns `true` if `path` matches the source field (first field)
     /// of any of the mount lines listed in /proc/mounts
     ///
-    pub fn is_path_mounted<P: AsRef<Path>>(path: P) -> Result<bool> {
+    pub fn is_source_mounted<P: AsRef<Path>>(path: P) -> Result<bool> {
         let path_str = path.as_ref().to_string_lossy();
         let mounts = Mount::all_mounts()?;
         Ok(mounts.into_iter().any(|m| m.source == path_str))
     }
 
+    pub fn is_target_mounted<P: AsRef<Path>>(path: P) -> Result<bool> {
+        let mounts = Mount::all_mounts()?;
+        Ok(mounts.into_iter().any(|m| m.target == path.as_ref()))
+    }
+
     pub fn all_mounts() -> Result<Vec<Mount>> {
         let s = fs::read_to_string("/proc/mounts")?;
         Ok(s.lines().flat_map(Mount::parse_mount_line).collect())