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authorValentin Rothberg <rothberg@redhat.com>2019-06-24 21:29:31 +0200
committerValentin Rothberg <rothberg@redhat.com>2019-06-24 21:29:31 +0200
commit2388222e98462fdbbe44f3e091b2b79d80956a9a (patch)
tree17078d861c20a3e48b19c750c6864c5f59248386 /vendor/github.com/etcd-io/bbolt/tx.go
parenta1a4a75abee2c381483a218e1660621ee416ef7c (diff)
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update dependencies
Ran a `go get -u` and bumped K8s deps to 1.15.0. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/github.com/etcd-io/bbolt/tx.go')
-rw-r--r--vendor/github.com/etcd-io/bbolt/tx.go27
1 files changed, 23 insertions, 4 deletions
diff --git a/vendor/github.com/etcd-io/bbolt/tx.go b/vendor/github.com/etcd-io/bbolt/tx.go
index f50864142..2df7688c2 100644
--- a/vendor/github.com/etcd-io/bbolt/tx.go
+++ b/vendor/github.com/etcd-io/bbolt/tx.go
@@ -254,17 +254,36 @@ func (tx *Tx) Rollback() error {
if tx.db == nil {
return ErrTxClosed
}
- tx.rollback()
+ tx.nonPhysicalRollback()
return nil
}
+// nonPhysicalRollback is called when user calls Rollback directly, in this case we do not need to reload the free pages from disk.
+func (tx *Tx) nonPhysicalRollback() {
+ if tx.db == nil {
+ return
+ }
+ if tx.writable {
+ tx.db.freelist.rollback(tx.meta.txid)
+ }
+ tx.close()
+}
+
+// rollback needs to reload the free pages from disk in case some system error happens like fsync error.
func (tx *Tx) rollback() {
if tx.db == nil {
return
}
if tx.writable {
tx.db.freelist.rollback(tx.meta.txid)
- tx.db.freelist.reload(tx.db.page(tx.db.meta().freelist))
+ if !tx.db.hasSyncedFreelist() {
+ // Reconstruct free page list by scanning the DB to get the whole free page list.
+ // Note: scaning the whole db is heavy if your db size is large in NoSyncFreeList mode.
+ tx.db.freelist.noSyncReload(tx.db.freepages())
+ } else {
+ // Read free page list from freelist page.
+ tx.db.freelist.reload(tx.db.page(tx.db.meta().freelist))
+ }
}
tx.close()
}
@@ -315,7 +334,7 @@ func (tx *Tx) Copy(w io.Writer) error {
// If err == nil then exactly tx.Size() bytes will be written into the writer.
func (tx *Tx) WriteTo(w io.Writer) (n int64, err error) {
// Attempt to open reader with WriteFlag
- f, err := os.OpenFile(tx.db.path, os.O_RDONLY|tx.WriteFlag, 0)
+ f, err := tx.db.openFile(tx.db.path, os.O_RDONLY|tx.WriteFlag, 0)
if err != nil {
return 0, err
}
@@ -369,7 +388,7 @@ func (tx *Tx) WriteTo(w io.Writer) (n int64, err error) {
// A reader transaction is maintained during the copy so it is safe to continue
// using the database while a copy is in progress.
func (tx *Tx) CopyFile(path string, mode os.FileMode) error {
- f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, mode)
+ f, err := tx.db.openFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, mode)
if err != nil {
return err
}