frostfs-node/pkg/local_object_storage/engine/writecache.go

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package engine
import (
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
)
// FlushWriteCachePrm groups the parameters of FlushWriteCache operation.
type FlushWriteCachePrm struct {
shardID *shard.ID
ignoreErrors bool
}
// SetShardID is an option to set shard ID.
//
// Option is required.
func (p *FlushWriteCachePrm) SetShardID(id *shard.ID) {
p.shardID = id
}
// SetIgnoreErrors sets errors ignore flag..
func (p *FlushWriteCachePrm) SetIgnoreErrors(ignore bool) {
p.ignoreErrors = ignore
}
// FlushWriteCacheRes groups the resulting values of FlushWriteCache operation.
type FlushWriteCacheRes struct{}
// FlushWriteCache flushes write-cache on a single shard.
func (e *StorageEngine) FlushWriteCache(p FlushWriteCachePrm) (FlushWriteCacheRes, error) {
e.mtx.RLock()
sh, ok := e.shards[p.shardID.String()]
e.mtx.RUnlock()
if !ok {
return FlushWriteCacheRes{}, errShardNotFound
}
var prm shard.FlushWriteCachePrm
prm.SetIgnoreErrors(p.ignoreErrors)
return FlushWriteCacheRes{}, sh.FlushWriteCache(prm)
}