Open disk in O_DIRECT mode when writing

DavidVentura · DavidVentura · commit 1f1654ccfd00 · 2023-11-06T22:14:19.000+01:00
diff --git a/diskfs.go b/diskfs.go
@@ -158,8 +158,8 @@ func (m OpenModeOption) String() string {
 
 var openModeOptions = map[OpenModeOption]int{
 	ReadOnly:           os.O_RDONLY,
-	ReadWriteExclusive: os.O_RDWR | os.O_EXCL,
-	ReadWrite:          os.O_RDWR,
+	ReadWriteExclusive: os.O_RDWR | os.O_EXCL | os.O_DIRECT,
+	ReadWrite:          os.O_RDWR | os.O_DIRECT,
 }
 
 // SectorSize represents the sector size to use

Original file line number	Diff line number	Diff line change
`@@ -158,8 +158,8 @@ func (m OpenModeOption) String() string {`
`158`	`158`
`159`	`159`	`var openModeOptions = map[OpenModeOption]int{`
`160`	`160`	`ReadOnly: os.O_RDONLY,`
`161`		`- ReadWriteExclusive: os.O_RDWR \| os.O_EXCL,`
`162`		`- ReadWrite: os.O_RDWR,`
	`161`	`+ ReadWriteExclusive: os.O_RDWR \| os.O_EXCL \| os.O_DIRECT,`
	`162`	`+ ReadWrite: os.O_RDWR \| os.O_DIRECT,`
`163`	`163`	`}`
`164`	`164`
`165`	`165`	`// SectorSize represents the sector size to use`