diff options
Diffstat (limited to 'pkg/sentry/fsimpl/fuse')
| -rw-r--r-- | pkg/sentry/fsimpl/fuse/fusefs.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/fuse/fusefs.go b/pkg/sentry/fsimpl/fuse/fusefs.go index f4ed73c12..8e749bdad 100644 --- a/pkg/sentry/fsimpl/fuse/fusefs.go +++ b/pkg/sentry/fsimpl/fuse/fusefs.go @@ -455,6 +455,29 @@ func (i *inode) NewSymlink(ctx context.Context, name, target string) (*vfs.Dentr return i.newEntry(ctx, name, linux.S_IFLNK, linux.FUSE_SYMLINK, &in) } +// Unlink implements kernfs.Inode.Unlink. +func (i *inode) Unlink(ctx context.Context, name string, child *vfs.Dentry) error { + kernelTask := kernel.TaskFromContext(ctx) + if kernelTask == nil { + log.Warningf("fusefs.Inode.newEntry: couldn't get kernel task from context", i.NodeID) + return syserror.EINVAL + } + in := linux.FUSEUnlinkIn{Name: name} + req, err := i.fs.conn.NewRequest(auth.CredentialsFromContext(ctx), uint32(kernelTask.ThreadID()), i.NodeID, linux.FUSE_UNLINK, &in) + if err != nil { + return err + } + res, err := i.fs.conn.Call(kernelTask, req) + if err != nil { + return err + } + // only return error, discard res. + if err := res.Error(); err != nil { + return err + } + return i.dentry.RemoveChildLocked(name, child) +} + // NewDir implements kernfs.Inode.NewDir. func (i *inode) NewDir(ctx context.Context, name string, opts vfs.MkdirOptions) (*vfs.Dentry, error) { in := linux.FUSEMkdirIn{ |