1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (c) 2021-2024 Oracle. All Rights Reserved.
4 * Author: Darrick J. Wong <djwong@kernel.org>
5 */
6 #ifndef __XFS_SCRUB_XFBLOB_H__
7 #define __XFS_SCRUB_XFBLOB_H__
8
9 struct xfblob {
10 struct xfile *xfile;
11 loff_t last_offset;
12 };
13
14 typedef loff_t xfblob_cookie;
15
16 int xfblob_create(const char *descr, struct xfblob **blobp);
17 void xfblob_destroy(struct xfblob *blob);
18 int xfblob_load(struct xfblob *blob, xfblob_cookie cookie, void *ptr,
19 uint32_t size);
20 int xfblob_store(struct xfblob *blob, xfblob_cookie *cookie, const void *ptr,
21 uint32_t size);
22 int xfblob_free(struct xfblob *blob, xfblob_cookie cookie);
23 unsigned long long xfblob_bytes(struct xfblob *blob);
24 void xfblob_truncate(struct xfblob *blob);
25
26 static inline int
xfblob_storename(struct xfblob * blob,xfblob_cookie * cookie,const struct xfs_name * xname)27 xfblob_storename(
28 struct xfblob *blob,
29 xfblob_cookie *cookie,
30 const struct xfs_name *xname)
31 {
32 return xfblob_store(blob, cookie, xname->name, xname->len);
33 }
34
35 static inline int
xfblob_loadname(struct xfblob * blob,xfblob_cookie cookie,struct xfs_name * xname,uint32_t size)36 xfblob_loadname(
37 struct xfblob *blob,
38 xfblob_cookie cookie,
39 struct xfs_name *xname,
40 uint32_t size)
41 {
42 int ret = xfblob_load(blob, cookie, (void *)xname->name, size);
43 if (ret)
44 return ret;
45
46 xname->len = size;
47 return 0;
48 }
49
50 #endif /* __XFS_SCRUB_XFBLOB_H__ */
51