diff options
Diffstat (limited to 'pkg/sentry/fs/mount.go')
| -rw-r--r-- | pkg/sentry/fs/mount.go | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/pkg/sentry/fs/mount.go b/pkg/sentry/fs/mount.go index 5cc777bef..1e245ae5f 100644 --- a/pkg/sentry/fs/mount.go +++ b/pkg/sentry/fs/mount.go @@ -151,9 +151,9 @@ type MountSource struct { children map[*MountSource]struct{} } -// defaultDirentCacheSize is the number of Dirents that the VFS can hold an extra -// reference on. -const defaultDirentCacheSize uint64 = 1000 +// DefaultDirentCacheSize is the number of Dirents that the VFS can hold an +// extra reference on. +const DefaultDirentCacheSize uint64 = 1000 // NewMountSource returns a new MountSource. Filesystem may be nil if there is no // filesystem backing the mount. @@ -162,7 +162,7 @@ func NewMountSource(mops MountSourceOperations, filesystem Filesystem, flags Mou MountSourceOperations: mops, Flags: flags, Filesystem: filesystem, - fscache: NewDirentCache(defaultDirentCacheSize), + fscache: NewDirentCache(DefaultDirentCacheSize), children: make(map[*MountSource]struct{}), } } @@ -246,6 +246,18 @@ func (msrc *MountSource) FlushDirentRefs() { msrc.fscache.Invalidate() } +// SetDirentCacheMaxSize sets the max size to the dirent cache associated with +// this mount source. +func (msrc *MountSource) SetDirentCacheMaxSize(max uint64) { + msrc.fscache.setMaxSize(max) +} + +// SetDirentCacheLimiter sets the limiter objcet to the dirent cache associated +// with this mount source. +func (msrc *MountSource) SetDirentCacheLimiter(l *DirentCacheLimiter) { + msrc.fscache.limit = l +} + // NewCachingMountSource returns a generic mount that will cache dirents // aggressively. func NewCachingMountSource(filesystem Filesystem, flags MountSourceFlags) *MountSource { |