1 #ifndef _NFSD_BLOCKLAYOUTXDR_H
2 #define _NFSD_BLOCKLAYOUTXDR_H 1
4 #include <linux/blkdev.h>
10 struct pnfs_block_extent {
11 struct nfsd4_deviceid vol_id;
15 enum pnfs_block_extent_state es;
19 * Random upper cap for the uuid length to avoid unbounded allocation.
20 * Not actually limited by the protocol.
22 #define PNFS_BLOCK_UUID_LEN 128
24 struct pnfs_block_volume {
25 enum pnfs_block_volume_type type;
30 u8 sig[PNFS_BLOCK_UUID_LEN];
35 struct pnfs_block_deviceaddr {
37 struct pnfs_block_volume volumes[];
40 __be32 nfsd4_block_encode_getdeviceinfo(struct xdr_stream *xdr,
41 struct nfsd4_getdeviceinfo *gdp);
42 __be32 nfsd4_block_encode_layoutget(struct xdr_stream *xdr,
43 struct nfsd4_layoutget *lgp);
44 int nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
47 #endif /* _NFSD_BLOCKLAYOUTXDR_H */