src/dedo.go: Remove DB.NoGrowSync option

1 files changed, 1 insertions, 14 deletions

diff --git a/src/dedo.go b/src/dedo.go
index 437d04f..73b6604 100644
--- a/src/dedo.go
+++ b/src/dedo.go
@@ -1314,14 +1314,6 @@ type DB struct {
 	// debugging purposes.
 	StrictMode bool
 
-	// When true, skips the truncate call when growing the database.
-	// Setting this to true is only safe on non-ext3/ext4 systems.
-	// Skipping truncation avoids preallocation of hard drive space and
-	// bypasses a truncate() and fsync() syscall on remapping.
-	//
-	// https://github.com/boltdb/bolt/issues/284
-	NoGrowSync bool
-
 	// If you want to read the entire database fast, you can set MmapFlag to
 	// syscall.MAP_POPULATE on Linux 2.6.23+ for sequential read-ahead.
 	MmapFlags int
@@ -1407,7 +1399,6 @@ func Open(path string, mode os.FileMode, options *Options) (*DB, error) {
 	if options == nil {
 		options = DefaultOptions
 	}
-	db.NoGrowSync = options.NoGrowSync
 	db.MmapFlags = options.MmapFlags
 
 	// Set default values for later DB operations.
@@ -2119,7 +2110,7 @@ func (db *DB) grow(sz int) error {
 
 	// Truncate and fsync to ensure file size metadata is flushed.
 	// https://github.com/boltdb/bolt/issues/284
-	if !db.NoGrowSync && !db.readOnly {
+	if !db.readOnly {
 		if runtime.GOOS != "windows" {
 			if err := db.file.Truncate(int64(sz)); err != nil {
 				return fmt.Errorf("file resize error: %s", err)
@@ -2145,9 +2136,6 @@ type Options struct {
 	// available on Darwin and Linux.
 	Timeout time.Duration
 
-	// Sets the DB.NoGrowSync flag before memory mapping the file.
-	NoGrowSync bool
-
 	// Open database in read-only mode. Uses flock(..., LOCK_SH |LOCK_NB) to
 	// grab a shared lock (UNIX).
 	ReadOnly bool
@@ -2170,7 +2158,6 @@ type Options struct {
 // No timeout is used which will cause Bolt to wait indefinitely for a lock.
 var DefaultOptions = &Options{
 	Timeout:    0,
-	NoGrowSync: false,
 }
 
 // Stats represents statistics about the database.