LU-14401 sec: fix migrate for encrypted dir

[fs/lustre-release.git] / lustre / mdd / mdd_internal.h

diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h
index 6095259..842abe3 100644 (file)
--- a/lustre/mdd/mdd_internal.h
+++ b/lustre/mdd/mdd_internal.h
@@ -630,8 +630,19 @@ static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
        if (!mdd_object_exists(obj))
                return -ENOENT;
 
+       /* If we are about to set the LL_XATTR_NAME_ENCRYPTION_CONTEXT
+        * xattr, it means the file/dir is encrypted. In that case we want
+        * to set the LUSTRE_ENCRYPT_FL flag as well: it will be stored
+        * into the LMA, making it more efficient to recognise we are
+        * dealing with an encrypted file/dir, as LMA info is cached upon
+        * object init.
+        * However, marking a dir as encrypted is only possible if it is
+        * being created or migrated (LU_XATTR_CREATE flag not set), or
+        * if it is empty.
+        */
        if ((strcmp(name, LL_XATTR_NAME_ENCRYPTION_CONTEXT) == 0) &&
            (!S_ISDIR(mdd_object_type(obj)) ||
+            !(fl & LU_XATTR_CREATE) ||
             (rc = mdd_dir_is_empty(env, obj)) == 0)) {
                struct lu_attr la = { 0 };