aboutsummaryrefslogtreecommitdiff
path: root/util/util.go
diff options
context:
space:
mode:
Diffstat (limited to 'util/util.go')
-rw-r--r--util/util.go17
1 files changed, 0 insertions, 17 deletions
diff --git a/util/util.go b/util/util.go
index acdc3fc..14d23e2 100644
--- a/util/util.go
+++ b/util/util.go
@@ -25,7 +25,6 @@ package util
import (
"bufio"
- "log"
"math"
"os"
"unsafe"
@@ -98,19 +97,3 @@ func ReadLine() (string, error) {
scanner.Scan()
return scanner.Text(), scanner.Err()
}
-
-// DropInodeCache instructs the kernel to clear the global cache of inodes and
-// dentries. This has the effect of making encrypted directories whose keys
-// are not present no longer accessible. Requires root privileges.
-func DropInodeCache() error {
- log.Print("dropping page caches")
- // See: https://www.kernel.org/doc/Documentation/sysctl/vm.txt
- file, err := os.OpenFile("/proc/sys/vm/drop_caches", os.O_WRONLY|os.O_SYNC, 0)
- if err != nil {
- return err
- }
- defer file.Close()
- // "2" just clears the inodes and dentries
- _, err = file.WriteString("2")
- return err
-}