From 3f2c0becc3dcb1acb9d2a1816dcfe4e3de8877d4 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 27 Oct 2015 14:25:58 +0100
Subject: automount: move generically userful call repeat_mount() into
 mount-util.[ch]

---
 src/basic/mount-util.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/basic/mount-util.c')

diff --git a/src/basic/mount-util.c b/src/basic/mount-util.c
index d04e7492e5..29997b1ce7 100644
--- a/src/basic/mount-util.c
+++ b/src/basic/mount-util.c
@@ -506,3 +506,24 @@ bool fstype_is_network(const char *fstype) {
 
         return nulstr_contains(table, fstype);
 }
+
+int repeat_unmount(const char *path, int flags) {
+        bool done = false;
+
+        assert(path);
+
+        /* If there are multiple mounts on a mount point, this
+         * removes them all */
+
+        for (;;) {
+                if (umount2(path, flags) < 0) {
+
+                        if (errno == EINVAL)
+                                return done;
+
+                        return -errno;
+                }
+
+                done = true;
+        }
+}
-- 
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