linux/fs/nfsd/blocklayoutxdr.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NFSD_BLOCKLAYOUTXDR_H
#define _NFSD_BLOCKLAYOUTXDR_H …

#include <linux/blkdev.h>
#include "xdr4.h"

struct iomap;
struct xdr_stream;

struct pnfs_block_extent { … };

struct pnfs_block_range { … };

/*
 * Random upper cap for the uuid length to avoid unbounded allocation.
 * Not actually limited by the protocol.
 */
#define PNFS_BLOCK_UUID_LEN …

struct pnfs_block_volume { … };

struct pnfs_block_deviceaddr { … };

__be32 nfsd4_block_encode_getdeviceinfo(struct xdr_stream *xdr,
		const struct nfsd4_getdeviceinfo *gdp);
__be32 nfsd4_block_encode_layoutget(struct xdr_stream *xdr,
		const struct nfsd4_layoutget *lgp);
int nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
		u32 block_size);
int nfsd4_scsi_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
		u32 block_size);

#endif /* _NFSD_BLOCKLAYOUTXDR_H */