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| author | Jamie Liu <jamieliu@google.com> | 2019-12-11 13:40:57 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-12-11 14:26:32 -0800 |
| commit | 481dbfa5ab24ec2c0752b9e748d3617285603c4e (patch) | |
| tree | cec1be5f8514b22987d965f7531051da1985d376 /pkg/sentry/fsimpl/ext/filesystem.go | |
| parent | 0d027262e09184f61ea0707935534fc2fc4af7e7 (diff) | |
Add vfs.Pathname{WithDeleted,ForGetcwd}.
The former is needed for vfs.FileDescription to implement
memmap.MappingIdentity, and the latter is needed to implement getcwd(2).
PiperOrigin-RevId: 285051855
Diffstat (limited to 'pkg/sentry/fsimpl/ext/filesystem.go')
| -rw-r--r-- | pkg/sentry/fsimpl/ext/filesystem.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/ext/filesystem.go b/pkg/sentry/fsimpl/ext/filesystem.go index 2d15e8aaf..e7aa3b41b 100644 --- a/pkg/sentry/fsimpl/ext/filesystem.go +++ b/pkg/sentry/fsimpl/ext/filesystem.go @@ -20,6 +20,7 @@ import ( "sync" "gvisor.dev/gvisor/pkg/abi/linux" + "gvisor.dev/gvisor/pkg/fspath" "gvisor.dev/gvisor/pkg/sentry/context" "gvisor.dev/gvisor/pkg/sentry/fsimpl/ext/disklayout" "gvisor.dev/gvisor/pkg/sentry/vfs" @@ -441,3 +442,10 @@ func (fs *filesystem) UnlinkAt(ctx context.Context, rp *vfs.ResolvingPath) error return syserror.EROFS } + +// PrependPath implements vfs.FilesystemImpl.PrependPath. +func (fs *filesystem) PrependPath(ctx context.Context, vfsroot, vd vfs.VirtualDentry, b *fspath.Builder) error { + fs.mu.RLock() + defer fs.mu.RUnlock() + return vfs.GenericPrependPath(vfsroot, vd, b) +} |