From c3c9513e6504276698ed1f50a259d4333476acf8 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Mon, 2 Aug 2021 20:01:26 +0200
Subject: fusefrontend: add quirks for MacOS ExFAT

This also moves the quirks logic into fusefrontend.

Fixes https://github.com/rfjakob/gocryptfs/issues/585
---
 mount.go | 17 -----------------
 1 file changed, 17 deletions(-)

(limited to 'mount.go')

diff --git a/mount.go b/mount.go
index b146660..ab4ad81 100644
--- a/mount.go
+++ b/mount.go
@@ -19,8 +19,6 @@ import (
 	"syscall"
 	"time"
 
-	"golang.org/x/sys/unix"
-
 	"github.com/hanwen/go-fuse/v2/fs"
 	"github.com/hanwen/go-fuse/v2/fuse"
 
@@ -102,21 +100,6 @@ func doMount(args *argContainer) {
 			}
 		}()
 	}
-	// Preallocation on Btrfs is broken ( https://github.com/rfjakob/gocryptfs/issues/395 )
-	// and slow ( https://github.com/rfjakob/gocryptfs/issues/63 ).
-	if !args.noprealloc {
-		// darwin does not have unix.BTRFS_SUPER_MAGIC, so we define it here
-		const BTRFS_SUPER_MAGIC = 0x9123683e
-		var st unix.Statfs_t
-		err = unix.Statfs(args.cipherdir, &st)
-		// Cast to uint32 avoids compile error on arm: "constant 2435016766 overflows int32"
-		if err == nil && uint32(st.Type) == BTRFS_SUPER_MAGIC {
-			tlog.Info.Printf(tlog.ColorYellow +
-				"Btrfs detected, forcing -noprealloc. See https://github.com/rfjakob/gocryptfs/issues/395 for why." +
-				tlog.ColorReset)
-			args.noprealloc = true
-		}
-	}
 	// Initialize gocryptfs (read config file, ask for password, ...)
 	fs, wipeKeys := initFuseFrontend(args)
 	// Try to wipe secret keys from memory after unmount
-- 
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