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-rw-r--r--fs/overlayfs/ovl_entry.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h
index 59614faa14c3..b2023ddb8532 100644
--- a/fs/overlayfs/ovl_entry.h
+++ b/fs/overlayfs/ovl_entry.h
@@ -29,6 +29,8 @@ struct ovl_fs {
const struct cred *creator_cred;
bool tmpfile;
wait_queue_head_t copyup_wq;
+ /* sb common to all layers */
+ struct super_block *same_sb;
};
/* private information held for every overlayfs dentry */