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path: root/internal/fusefrontend/dircache.go
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Diffstat (limited to 'internal/fusefrontend/dircache.go')
-rw-r--r--internal/fusefrontend/dircache.go8
1 files changed, 5 insertions, 3 deletions
diff --git a/internal/fusefrontend/dircache.go b/internal/fusefrontend/dircache.go
index 6732de1..8c285fa 100644
--- a/internal/fusefrontend/dircache.go
+++ b/internal/fusefrontend/dircache.go
@@ -7,7 +7,6 @@ import (
"syscall"
"time"
- "github.com/rfjakob/gocryptfs/internal/nametransform"
"github.com/rfjakob/gocryptfs/internal/tlog"
)
@@ -50,6 +49,9 @@ func (e *dirCacheEntry) Clear() {
type dirCache struct {
sync.Mutex
+ // Expected length of the stored IVs. Only used for sanity checks.
+ // Usually set to 16, but 0 in plaintextnames mode.
+ ivLen int
// Cache entries
entries [dirCacheSize]dirCacheEntry
// Where to store the next entry (index into entries)
@@ -77,7 +79,7 @@ func (d *dirCache) Clear() {
func (d *dirCache) Store(node *Node, fd int, iv []byte) {
// Note: package ensurefds012, imported from main, guarantees that dirCache
// can never get fds 0,1,2.
- if fd <= 0 || len(iv) != nametransform.DirIVLen {
+ if fd <= 0 || len(iv) != d.ivLen {
log.Panicf("Store sanity check failed: fd=%d len=%d", fd, len(iv))
}
d.Lock()
@@ -139,7 +141,7 @@ func (d *dirCache) Lookup(node *Node) (fd int, iv []byte) {
if enableStats {
d.hits++
}
- if fd <= 0 || len(iv) != nametransform.DirIVLen {
+ if fd <= 0 || len(iv) != d.ivLen {
log.Panicf("Lookup sanity check failed: fd=%d len=%d", fd, len(iv))
}
d.dbg("dirCache.Lookup %p hit fd=%d dup=%d iv=%x\n", node, e.fd, fd, iv)