From 9b725c15cf50cfb85ec6ec88c47843092775dedc Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 3 Jul 2016 19:14:12 +0200
Subject: syscallcompat: OSX: add Fallocate and Openat wrappers

...and convert all calls to syscall.{Fallocate,Openat}
to syscallcompat .

Both syscalls are not available on OSX. We emulate Openat and just
return EOPNOTSUPP for Fallocate.
---
 internal/fusefrontend/file.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'internal/fusefrontend/file.go')

diff --git a/internal/fusefrontend/file.go b/internal/fusefrontend/file.go
index f0e0c41..b9bb2c9 100644
--- a/internal/fusefrontend/file.go
+++ b/internal/fusefrontend/file.go
@@ -101,7 +101,7 @@ func (f *file) createHeader() error {
 	buf := h.Pack()
 
 	// Prevent partially written (=corrupt) header by preallocating the space beforehand
-	err := syscallcompat.Prealloc(int(f.fd.Fd()), 0, contentenc.HEADER_LEN)
+	err := syscallcompat.EnospcPrealloc(int(f.fd.Fd()), 0, contentenc.HEADER_LEN)
 	if err != nil {
 		tlog.Warn.Printf("ino%d: createHeader: prealloc failed: %s\n", f.ino, err.Error())
 		return err
@@ -262,7 +262,7 @@ func (f *file) doWrite(data []byte, off int64) (uint32, fuse.Status) {
 			f.ino, uint64(len(blockData))-f.contentEnc.BlockOverhead(), b.BlockNo)
 
 		// Prevent partially written (=corrupt) blocks by preallocating the space beforehand
-		err := syscallcompat.Prealloc(int(f.fd.Fd()), int64(blockOffset), int64(len(blockData)))
+		err := syscallcompat.EnospcPrealloc(int(f.fd.Fd()), int64(blockOffset), int64(len(blockData)))
 		if err != nil {
 			tlog.Warn.Printf("ino%d fh%d: doWrite: prealloc failed: %s", f.ino, f.intFd(), err.Error())
 			status = fuse.ToStatus(err)
-- 
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