nixpkgs/pkgs/tools/filesystems/mp3fs/fix-statfs-operation.patch

From fea072084ff9d7c4d2c688059a2462bb0e59a2ec Mon Sep 17 00:00:00 2001
From: K Henriksson <kthenriksson@gmail.com>
Date: Wed, 27 Aug 2014 21:55:18 -0700
Subject: [PATCH] Fix statfs operation

The statfs implementation does not properly translate names back to the
original, since the major encoding rewrite. This corrects that, and
should fix issue #27.
---
 src/fuseops.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/fuseops.c b/src/fuseops.c
index e7b4e7e..c333cbd 100644
--- a/src/fuseops.c
+++ b/src/fuseops.c
@@ -337,9 +337,20 @@ static int mp3fs_statfs(const char *path, struct statvfs *stbuf) {
     if (!origpath) {
         goto translate_fail;
     }
-    
+
+    /* pass-through for regular files */
+    if (statvfs(origpath, stbuf) == 0) {
+        goto passthrough;
+    } else {
+        /* Not really an error. */
+        errno = 0;
+    }
+
+    find_original(origpath);
+
     statvfs(origpath, stbuf);
-    
+
+passthrough:
     free(origpath);
 translate_fail:
     return -errno;