From c9dbb9c0fdfb0d411b937f83b97cc5612bebf1f8 Mon Sep 17 00:00:00 2001
From: Kenjiro Nakayama <nakayamakenjiro@gmail.com>
Date: Wed, 7 Dec 2016 22:56:58 +0900
Subject: [PATCH] file: tiny: output trace log before call writeToBlock

---
 file.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/file.go b/file.go
index f35f67f..3505434 100644
--- a/file.go
+++ b/file.go
@@ -177,8 +177,8 @@ func (f *File) WriteAt(b []byte, off int64) (n int, err error) {
 		if frontlen > toWrite {
 			frontlen = toWrite
 		}
-		wrote, err := f.writeToBlock(blkIndex, int(blkOff), int(blkOff)+frontlen, b[:frontlen])
 		clog.Tracef("head writing block at index %d, inoderef %s", blkIndex, f.writeINodeRef)
+		wrote, err := f.writeToBlock(blkIndex, int(blkOff), int(blkOff)+frontlen, b[:frontlen])
 		if err != nil {
 			return n, err
 		} else if wrote != frontlen {
@@ -232,10 +232,10 @@ func (f *File) WriteAt(b []byte, off int64) (n int, err error) {
 		panic("Offset not equal to a block boundary after bulk")
 	}
 	blkIndex = int(off / f.blkSize)
-	wrote, err := f.writeToBlock(blkIndex, 0, toWrite, b)
 	if clog.LevelAt(capnslog.TRACE) {
 		clog.Tracef("tail writing block at index %d, inoderef %s", blkIndex, f.writeINodeRef)
 	}
+	wrote, err := f.writeToBlock(blkIndex, 0, toWrite, b)
 	if err != nil {
 		promFileWrittenBytes.WithLabelValues(f.volume.Name).Add(float64(n))
 		return n, err