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-rw-r--r--fs/btrfs/verity.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/fs/btrfs/verity.h b/fs/btrfs/verity.h
new file mode 100644
index 000000000000..d696659e43e4
--- /dev/null
+++ b/fs/btrfs/verity.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef BTRFS_VERITY_H
+#define BTRFS_VERITY_H
+
+struct inode;
+struct btrfs_inode;
+
+#ifdef CONFIG_FS_VERITY
+
+#include <linux/fsverity.h>
+
+extern const struct fsverity_operations btrfs_verityops;
+
+int btrfs_drop_verity_items(struct btrfs_inode *inode);
+int btrfs_get_verity_descriptor(struct inode *inode, void *buf, size_t buf_size);
+
+#else
+
+#include <linux/errno.h>
+
+static inline int btrfs_drop_verity_items(struct btrfs_inode *inode)
+{
+ return 0;
+}
+
+static inline int btrfs_get_verity_descriptor(struct inode *inode, void *buf,
+ size_t buf_size)
+{
+ return -EPERM;
+}
+
+#endif
+
+#endif