fs/nfsd/flexfilelayoutxdr.h

   1 /*
   2  * Copyright (c) 2016 Tom Haynes <loghyr@primarydata.com>
   3  */
   4 #ifndef _NFSD_FLEXFILELAYOUTXDR_H
   5 #define _NFSD_FLEXFILELAYOUTXDR_H 1
   6
   7 #include <linux/inet.h>
   8 #include "xdr4.h"
   9
  10 #define FF_FLAGS_NO_LAYOUTCOMMIT 1
  11 #define FF_FLAGS_NO_IO_THRU_MDS  2
  12 #define FF_FLAGS_NO_READ_IO      4
  13
  14 struct xdr_stream;
  15
  16 #define FF_NETID_LEN            (4)
  17 #define FF_ADDR_LEN             (INET6_ADDRSTRLEN + 8)
  18 struct pnfs_ff_netaddr {
  19         char                            netid[FF_NETID_LEN + 1];
  20         char                            addr[FF_ADDR_LEN + 1];
  21         u32                             netid_len;
  22         u32                             addr_len;
  23 };
  24
  25 struct pnfs_ff_device_addr {
  26         struct pnfs_ff_netaddr          netaddr;
  27         u32                             version;
  28         u32                             minor_version;
  29         u32                             rsize;
  30         u32                             wsize;
  31         bool                            tightly_coupled;
  32 };
  33
  34 struct pnfs_ff_layout {
  35         u32                             flags;
  36         u32                             stats_collect_hint;
  37         kuid_t                          uid;
  38         kgid_t                          gid;
  39         struct nfsd4_deviceid           deviceid;
  40         stateid_t                       stateid;
  41         struct nfs_fh                   fh;
  42 };
  43
  44 __be32 nfsd4_ff_encode_getdeviceinfo(struct xdr_stream *xdr,
  45                 struct nfsd4_getdeviceinfo *gdp);
  46 __be32 nfsd4_ff_encode_layoutget(struct xdr_stream *xdr,
  47                 struct nfsd4_layoutget *lgp);
  48
  49 #endif /* _NFSD_FLEXFILELAYOUTXDR_H */