Remove dead code from fs_mgr

Test: Compiles
Change-Id: I76402758396b658fc1539f81541b162723b709a2
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index debcb3e..7f4959f 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -1849,18 +1849,14 @@
     return ret;
 }
 
-// If tmp_mount_point is non-null, mount the filesystem there.  This is for the
-// tmp mount we do to check the user password
 // If multiple fstab entries are to be mounted on "n_name", it will try to mount each one
 // in turn, and stop on 1st success, or no more match.
-static int fs_mgr_do_mount_helper(Fstab* fstab, const std::string& n_name,
-                                  const std::string& n_blk_device, const char* tmp_mount_point,
-                                  int needs_checkpoint, bool metadata_encrypted,
-                                  bool needs_encrypt) {
+int fs_mgr_do_mount(Fstab* fstab, const std::string& n_name, const std::string& n_blk_device,
+                    int needs_checkpoint, bool needs_encrypt) {
     int mount_errors = 0;
     int first_mount_errno = 0;
     std::string mount_point;
-    CheckpointManager checkpoint_manager(needs_checkpoint, metadata_encrypted, needs_encrypt);
+    CheckpointManager checkpoint_manager(needs_checkpoint, true, needs_encrypt);
     AvbUniquePtr avb_handle(nullptr);
 
     if (!fstab) {
@@ -1902,11 +1898,7 @@
         }
 
         // Now mount it where requested */
-        if (tmp_mount_point) {
-            mount_point = tmp_mount_point;
-        } else {
-            mount_point = fstab_entry.mount_point;
-        }
+        mount_point = fstab_entry.mount_point;
 
         int fs_stat = prepare_fs_for_mount(n_blk_device, fstab_entry, mount_point);
 
@@ -1963,35 +1955,6 @@
     return FS_MGR_DOMNT_FAILED;
 }
 
-int fs_mgr_do_mount(Fstab* fstab, const char* n_name, char* n_blk_device, char* tmp_mount_point) {
-    return fs_mgr_do_mount_helper(fstab, n_name, n_blk_device, tmp_mount_point, -1, false, false);
-}
-
-int fs_mgr_do_mount(Fstab* fstab, const char* n_name, char* n_blk_device, char* tmp_mount_point,
-                    bool needs_checkpoint, bool metadata_encrypted, bool needs_encrypt) {
-    return fs_mgr_do_mount_helper(fstab, n_name, n_blk_device, tmp_mount_point, needs_checkpoint,
-                                  metadata_encrypted, needs_encrypt);
-}
-
-/*
- * mount a tmpfs filesystem at the given point.
- * return 0 on success, non-zero on failure.
- */
-int fs_mgr_do_tmpfs_mount(const char *n_name)
-{
-    int ret;
-
-    ret = mount("tmpfs", n_name, "tmpfs", MS_NOATIME | MS_NOSUID | MS_NODEV | MS_NOEXEC,
-                CRYPTO_TMPFS_OPTIONS);
-    if (ret < 0) {
-        LERROR << "Cannot mount tmpfs filesystem at " << n_name;
-        return -1;
-    }
-
-    /* Success */
-    return 0;
-}
-
 static bool ConfigureIoScheduler(const std::string& device_path) {
     if (!StartsWith(device_path, "/dev/")) {
         LERROR << __func__ << ": invalid argument " << device_path;
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 37515d4..bc4a7a6 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -85,14 +85,10 @@
 #define FS_MGR_DOMNT_FAILED (-1)
 #define FS_MGR_DOMNT_BUSY (-2)
 #define FS_MGR_DOMNT_SUCCESS 0
-int fs_mgr_do_mount(android::fs_mgr::Fstab* fstab, const char* n_name, char* n_blk_device,
-                    char* tmp_mount_point);
-int fs_mgr_do_mount(android::fs_mgr::Fstab* fstab, const char* n_name, char* n_blk_device,
-                    char* tmp_mount_point, bool need_cp, bool metadata_encrypted,
-                    bool need_encrypted);
+int fs_mgr_do_mount(android::fs_mgr::Fstab* fstab, const std::string& n_name,
+                    const std::string& n_blk_device, int needs_checkpoint, bool needs_encrypt);
 int fs_mgr_do_mount_one(const android::fs_mgr::FstabEntry& entry,
                         const std::string& mount_point = "");
-int fs_mgr_do_tmpfs_mount(const char *n_name);
 bool fs_mgr_load_verity_state(int* mode);
 // Returns true if verity is enabled on this particular FstabEntry.
 bool fs_mgr_is_verity_enabled(const android::fs_mgr::FstabEntry& entry);