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-rw-r--r--fs/xfs/scrub/xfblob.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/xfs/scrub/xfblob.h b/fs/xfs/scrub/xfblob.h
new file mode 100644
index 0000000000..ae78322613
--- /dev/null
+++ b/fs/xfs/scrub/xfblob.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2021-2024 Oracle. All Rights Reserved.
+ * Author: Darrick J. Wong <djwong@kernel.org>
+ */
+#ifndef __XFS_SCRUB_XFBLOB_H__
+#define __XFS_SCRUB_XFBLOB_H__
+
+struct xfblob {
+ struct xfile *xfile;
+ loff_t last_offset;
+};
+
+typedef loff_t xfblob_cookie;
+
+int xfblob_create(const char *descr, struct xfblob **blobp);
+void xfblob_destroy(struct xfblob *blob);
+int xfblob_load(struct xfblob *blob, xfblob_cookie cookie, void *ptr,
+ uint32_t size);
+int xfblob_store(struct xfblob *blob, xfblob_cookie *cookie, const void *ptr,
+ uint32_t size);
+int xfblob_free(struct xfblob *blob, xfblob_cookie cookie);
+unsigned long long xfblob_bytes(struct xfblob *blob);
+void xfblob_truncate(struct xfblob *blob);
+
+static inline int
+xfblob_storename(
+ struct xfblob *blob,
+ xfblob_cookie *cookie,
+ const struct xfs_name *xname)
+{
+ return xfblob_store(blob, cookie, xname->name, xname->len);
+}
+
+static inline int
+xfblob_loadname(
+ struct xfblob *blob,
+ xfblob_cookie cookie,
+ struct xfs_name *xname,
+ uint32_t size)
+{
+ int ret = xfblob_load(blob, cookie, (void *)xname->name, size);
+ if (ret)
+ return ret;
+
+ xname->len = size;
+ return 0;
+}
+
+#endif /* __XFS_SCRUB_XFBLOB_H__ */