posix_acl_to_xattr
value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_NOFS);
buffer = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_KERNEL);
value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_KERNEL);
value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_NOFS);
tmp_buf1 = posix_acl_to_xattr(&init_user_ns, acl,
tmp_buf2 = posix_acl_to_xattr(&init_user_ns, default_acl,
value = posix_acl_to_xattr(fc->user_ns, acl, &size, GFP_KERNEL);
data = posix_acl_to_xattr(&init_user_ns, acl, &len, GFP_NOFS);
value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_KERNEL);
value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_NOFS);
value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_KERNEL);
EXPORT_SYMBOL (posix_acl_to_xattr);
extern void *posix_acl_to_xattr(struct user_namespace *user_ns, const struct posix_acl *acl,