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authorgVisor bot <gvisor-bot@google.com>2020-07-27 19:03:14 +0000
committergVisor bot <gvisor-bot@google.com>2020-07-27 19:03:14 +0000
commit849e740a83ea9d5c52f727ec4c0169b42f55287b (patch)
treea4d9b30737158343f53f046ffc72deacc1117f4f /pkg/sentry/fsimpl/host/mmap.go
parentbd34346f555b8ecb00b5eb06dedf8ec95904dd13 (diff)
parentf347a578b79c96c13ed492b2cf9aec1cb3e60f3f (diff)
Merge release-20200622.1-232-gf347a578b (automated)
Diffstat (limited to 'pkg/sentry/fsimpl/host/mmap.go')
-rw-r--r--pkg/sentry/fsimpl/host/mmap.go21
1 files changed, 10 insertions, 11 deletions
diff --git a/pkg/sentry/fsimpl/host/mmap.go b/pkg/sentry/fsimpl/host/mmap.go
index 8545a82f0..65d3af38c 100644
--- a/pkg/sentry/fsimpl/host/mmap.go
+++ b/pkg/sentry/fsimpl/host/mmap.go
@@ -19,13 +19,12 @@ import (
"gvisor.dev/gvisor/pkg/safemem"
"gvisor.dev/gvisor/pkg/sentry/fs/fsutil"
"gvisor.dev/gvisor/pkg/sentry/memmap"
- "gvisor.dev/gvisor/pkg/sentry/platform"
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/usermem"
)
-// inodePlatformFile implements platform.File. It exists solely because inode
-// cannot implement both kernfs.Inode.IncRef and platform.File.IncRef.
+// inodePlatformFile implements memmap.File. It exists solely because inode
+// cannot implement both kernfs.Inode.IncRef and memmap.File.IncRef.
//
// inodePlatformFile should only be used if inode.canMap is true.
type inodePlatformFile struct {
@@ -34,7 +33,7 @@ type inodePlatformFile struct {
// fdRefsMu protects fdRefs.
fdRefsMu sync.Mutex
- // fdRefs counts references on platform.File offsets. It is used solely for
+ // fdRefs counts references on memmap.File offsets. It is used solely for
// memory accounting.
fdRefs fsutil.FrameRefSet
@@ -45,32 +44,32 @@ type inodePlatformFile struct {
fileMapperInitOnce sync.Once
}
-// IncRef implements platform.File.IncRef.
+// IncRef implements memmap.File.IncRef.
//
// Precondition: i.inode.canMap must be true.
-func (i *inodePlatformFile) IncRef(fr platform.FileRange) {
+func (i *inodePlatformFile) IncRef(fr memmap.FileRange) {
i.fdRefsMu.Lock()
i.fdRefs.IncRefAndAccount(fr)
i.fdRefsMu.Unlock()
}
-// DecRef implements platform.File.DecRef.
+// DecRef implements memmap.File.DecRef.
//
// Precondition: i.inode.canMap must be true.
-func (i *inodePlatformFile) DecRef(fr platform.FileRange) {
+func (i *inodePlatformFile) DecRef(fr memmap.FileRange) {
i.fdRefsMu.Lock()
i.fdRefs.DecRefAndAccount(fr)
i.fdRefsMu.Unlock()
}
-// MapInternal implements platform.File.MapInternal.
+// MapInternal implements memmap.File.MapInternal.
//
// Precondition: i.inode.canMap must be true.
-func (i *inodePlatformFile) MapInternal(fr platform.FileRange, at usermem.AccessType) (safemem.BlockSeq, error) {
+func (i *inodePlatformFile) MapInternal(fr memmap.FileRange, at usermem.AccessType) (safemem.BlockSeq, error) {
return i.fileMapper.MapInternal(fr, i.hostFD, at.Write)
}
-// FD implements platform.File.FD.
+// FD implements memmap.File.FD.
func (i *inodePlatformFile) FD() int {
return i.hostFD
}