aboutsummaryrefslogtreecommitdiffstats
path: root/fs/overlayfs/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/overlayfs/util.c')
-rw-r--r--fs/overlayfs/util.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 6b11e116f190..aa2234d52007 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -487,7 +487,8 @@ bool ovl_need_index(struct dentry *dentry)
/* Caller must hold OVL_I(inode)->lock */
static void ovl_cleanup_index(struct dentry *dentry)
{
- struct inode *dir = ovl_indexdir(dentry->d_sb)->d_inode;
+ struct dentry *indexdir = ovl_indexdir(dentry->d_sb);
+ struct inode *dir = indexdir->d_inode;
struct dentry *lowerdentry = ovl_dentry_lower(dentry);
struct dentry *upperdentry = ovl_dentry_upper(dentry);
struct dentry *index = NULL;
@@ -518,13 +519,17 @@ static void ovl_cleanup_index(struct dentry *dentry)
}
inode_lock_nested(dir, I_MUTEX_PARENT);
- /* TODO: whiteout instead of cleanup to block future open by handle */
- index = lookup_one_len(name.name, ovl_indexdir(dentry->d_sb), name.len);
+ index = lookup_one_len(name.name, indexdir, name.len);
err = PTR_ERR(index);
- if (!IS_ERR(index))
- err = ovl_cleanup(dir, index);
- else
+ if (IS_ERR(index)) {
index = NULL;
+ } else if (ovl_index_all(dentry->d_sb)) {
+ /* Whiteout orphan index to block future open by handle */
+ err = ovl_cleanup_and_whiteout(indexdir, dir, index);
+ } else {
+ /* Cleanup orphan index entries */
+ err = ovl_cleanup(dir, index);
+ }
inode_unlock(dir);
if (err)