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Merge pull request #183 from benbjohnson/copy-fallback 

Add fallback for O_DIRECT in Tx.Copy().
master
Ben Johnson 2014-06-05 10:18:58 -06:00
parent 510143d852 63373660bc
commit 9ffb29787a
1 changed files with 9 additions and 4 deletions
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13
tx.go
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@ -239,10 +239,15 @@ func (tx *Tx) close() {
// using the database while a copy is in progress.
// Copy will write exactly tx.Size() bytes into the writer.
func (tx *Tx) Copy(w io.Writer) error {
// Open reader on the database.
f, err := os.OpenFile(tx.db.path, os.O_RDONLY|odirect, 0)
if err != nil {
return err
var f *os.File
var err error
// Attempt to open reader directly.
if f, err = os.OpenFile(tx.db.path, os.O_RDONLY|odirect, 0); err != nil {
// Fallback to a regular open if that doesn't work.
if f, err = os.OpenFile(tx.db.path, os.O_RDONLY, 0); err != nil {
return err
}
}
// Copy the meta pages.