Block read cache

ref: kahing#758

Author: voyvodov

.clang-format

@@ -0,0 +1,95 @@
+---
+Language:        Cpp
+BasedOnStyle:  LLVM
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: true
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     80
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 8
+ContinuationIndentWidth: 8
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IncludeCategories:
+  - Regex:           '^<.*\.h>'
+    Priority:        1
+  - Regex:           '^<.*'
+    Priority:        2
+  - Regex:           '.*'
+    Priority:        3
+IncludeIsMainRegex: '([-_](test|unittest))?$'
+IndentCaseLabels: true
+IndentWidth:     4
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+ReflowComments:  true
+SortIncludes:    true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Auto
+TabWidth:        8
+UseTab:          Never
+...

.gitignore

@@ -3,3 +3,5 @@ goofys
 goofys.test
 xout
 s3proxy.jar
+/s3proxy.sh
+/mnt

api/api.go

@@ -40,6 +40,8 @@ func Mount(
 		fuseLog.Level = logrus.DebugLevel
 		log.Level = logrus.DebugLevel
 		mountCfg.DebugLogger = GetStdLogger(fuseLog, logrus.DebugLevel)
+	} else {
+		GetLogger("fuse").Level = logrus.InfoLevel
 	}
 
 	if flags.Backend == nil {

api/common/config.go

@@ -47,11 +47,14 @@ type FlagStorage struct {
 	Backend interface{}
 
 	// Tuning
-	Cheap        bool
-	ExplicitDir  bool
-	StatCacheTTL time.Duration
-	TypeCacheTTL time.Duration
-	HTTPTimeout  time.Duration
+	Cheap                  bool
+	ExplicitDir            bool
+	BlockReadCache         bool
+	BlockReadCacheSize     uint64
+	BlockReadCacheMemRatio float64
+	StatCacheTTL           time.Duration
+	TypeCacheTTL           time.Duration
+	HTTPTimeout            time.Duration
 
 	// Debugging
 	DebugFuse  bool

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/jacobsa/fuse v0.0.0-20240909130001-a1c7c8268f12
 	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
 	github.com/mitchellh/go-homedir v1.1.0
+	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
 	github.com/sevlyar/go-daemon v0.1.5
 	github.com/shirou/gopsutil/v3 v3.24.5
 	github.com/sirupsen/logrus v1.4.3-0.20190807103436-de736cf91b92
@@ -26,7 +27,7 @@ require (
 	golang.org/x/sys v0.20.0
 	google.golang.org/api v0.126.0
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
-	gopkg.in/ini.v1 v1.51.0
+	gopkg.in/ini.v1 v1.67.0
 )
 
 require (
@@ -41,25 +42,21 @@ require (
 	github.com/Azure/go-autorest/logger v0.2.1 // indirect
 	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
 	github.com/dimchansky/utfbom v1.1.1 // indirect
-	github.com/form3tech-oss/jwt-go v3.2.2+incompatible // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/s2a-go v0.1.4 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
 	github.com/googleapis/gax-go/v2 v2.11.0 // indirect
-	github.com/gopherjs/gopherjs v0.0.0-20210413103415-7d3cbed7d026 // indirect
+	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
-	github.com/konsorten/go-windows-terminal-sequences v1.0.1 // indirect
 	github.com/kr/pretty v0.2.1 // indirect
 	github.com/kr/text v0.1.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/mattn/go-ieproxy v0.0.1 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/shoenig/go-m1cpu v0.1.6 // indirect
-	github.com/smartystreets/assertions v1.2.0 // indirect
-	github.com/smartystreets/goconvey v1.6.4 // indirect
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
@@ -74,5 +71,10 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 	google.golang.org/grpc v1.58.3 // indirect
 	google.golang.org/protobuf v1.33.0 // indirect
+)
+
+require (
+	github.com/form3tech-oss/jwt-go v3.2.2+incompatible // indirect
+	github.com/konsorten/go-windows-terminal-sequences v1.0.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )