diff options
Diffstat (limited to 'fs/xfs/scrub/xfblob.h')
-rw-r--r-- | fs/xfs/scrub/xfblob.h | 50 |
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 000000000000..ae78322613ca --- /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__ */ |