summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
authorgVisor bot <gvisor-bot@google.com>2020-05-13 00:30:42 +0000
committergVisor bot <gvisor-bot@google.com>2020-05-13 00:30:42 +0000
commite2755f43b8b7f63d3b06008816c7b7dcb56bd9c2 (patch)
tree895fd463a7e2f9f9e6d224eef84696957a5e21ba
parentc6a3b4e89350ca8bcd7c77a8c80ae5ee233c8813 (diff)
parent305f786e51ea2092c633d97b06818e59c5f40552 (diff)
Merge release-20200422.0-294-g305f786 (automated)
-rwxr-xr-xrunsc/boot/vfs.go33
1 files changed, 16 insertions, 17 deletions
diff --git a/runsc/boot/vfs.go b/runsc/boot/vfs.go
index b94211866..ef95d0c65 100755
--- a/runsc/boot/vfs.go
+++ b/runsc/boot/vfs.go
@@ -245,7 +245,6 @@ func (c *containerMounter) mountSubmountVFS2(ctx context.Context, conf *Config,
if err := c.makeSyntheticMount(ctx, submount.Destination, root, creds); err != nil {
return err
}
- log.Debugf("directory exists or made directory for submount: %s", submount.Destination)
opts := &vfs.MountOptions{
GetFilesystemOptions: vfs.GetFilesystemOptions{
@@ -260,7 +259,7 @@ func (c *containerMounter) mountSubmountVFS2(ctx context.Context, conf *Config,
if err := c.k.VFS().MountAt(ctx, creds, "", target, fsName, opts); err != nil {
return fmt.Errorf("failed to mount %q (type: %s): %w, opts: %v", submount.Destination, submount.Type, err, opts)
}
- log.Infof("Mounted %q to %q type: %s, internal-options: %q", submount.Source, submount.Destination, submount.Type, opts)
+ log.Infof("Mounted %q to %q type: %s, internal-options: %q", submount.Source, submount.Destination, submount.Type, opts.GetFilesystemOptions.Data)
return nil
}
@@ -321,23 +320,23 @@ func (c *containerMounter) makeSyntheticMount(ctx context.Context, currentPath s
Start: root,
Path: fspath.Parse(currentPath),
}
-
_, err := c.k.VFS().StatAt(ctx, creds, target, &vfs.StatOptions{})
- switch {
- case err == syserror.ENOENT:
- if err := c.makeSyntheticMount(ctx, path.Dir(currentPath), root, creds); err != nil {
- return err
- }
- mkdirOpts := &vfs.MkdirOptions{Mode: 0777, ForSyntheticMountpoint: true}
- if err := c.k.VFS().MkdirAt(ctx, creds, target, mkdirOpts); err != nil {
- return fmt.Errorf("failed to makedir for mount %+v: %w", target, err)
- }
+ if err == nil {
+ // Mount point exists, nothing else to do.
return nil
+ }
+ if err != syserror.ENOENT {
+ return fmt.Errorf("stat failed for %q during mount point creation: %w", currentPath, err)
+ }
- case err != nil:
- return fmt.Errorf("stat failed for mount %+v: %w", target, err)
-
- default:
- return nil
+ // Recurse to ensure parent is created and then create the mount point.
+ if err := c.makeSyntheticMount(ctx, path.Dir(currentPath), root, creds); err != nil {
+ return err
+ }
+ log.Debugf("Creating dir %q for mount point", currentPath)
+ mkdirOpts := &vfs.MkdirOptions{Mode: 0777, ForSyntheticMountpoint: true}
+ if err := c.k.VFS().MkdirAt(ctx, creds, target, mkdirOpts); err != nil {
+ return fmt.Errorf("failed to create directory %q for mount: %w", currentPath, err)
}
+ return nil
}