Cleanup XDR parsing for LAYOUTGET, GETDEVICEINFO

[firefly-linux-kernel-4.4.55.git] / include / linux / nfs_xdr.h

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index b0068579bec252b2a357a97ddb841a1c1b9086d4..a6e21b10f43d53aeaa4590f8107bb5f31edc2e83 100644 (file)
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -190,8 +190,9 @@ struct nfs4_get_lease_time_res {
 #define PNFS_LAYOUT_MAXSIZE 4096
 
 struct nfs4_layoutdriver_data {
+       struct page **pages;
+       __u32 pglen;
        __u32 len;
-       void *buf;
 };
 
 struct pnfs_layout_range {
@@ -209,6 +210,7 @@ struct nfs4_layoutget_args {
        struct nfs_open_context *ctx;
        struct nfs4_sequence_args seq_args;
        nfs4_stateid stateid;
+       struct nfs4_layoutdriver_data layout;
 };
 
 struct nfs4_layoutget_res {
@@ -216,8 +218,8 @@ struct nfs4_layoutget_res {
        struct pnfs_layout_range range;
        __u32 type;
        nfs4_stateid stateid;
-       struct nfs4_layoutdriver_data layout;
        struct nfs4_sequence_res seq_res;
+       struct nfs4_layoutdriver_data *layoutp;
 };
 
 struct nfs4_layoutget {
@@ -236,6 +238,29 @@ struct nfs4_getdeviceinfo_res {
        struct nfs4_sequence_res seq_res;
 };
 
+struct nfs4_layoutcommit_args {
+       nfs4_stateid stateid;
+       __u64 lastbytewritten;
+       struct inode *inode;
+       const u32 *bitmask;
+       struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_layoutcommit_res {
+       struct nfs_fattr *fattr;
+       const struct nfs_server *server;
+       struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_layoutcommit_data {
+       struct rpc_task task;
+       struct nfs_fattr fattr;
+       struct pnfs_layout_segment *lseg;
+       struct rpc_cred *cred;
+       struct nfs4_layoutcommit_args args;
+       struct nfs4_layoutcommit_res res;
+};
+
 /*
  * Arguments to the open call.
  */
@@ -1016,9 +1041,12 @@ struct nfs_read_data {
        unsigned int            npages; /* Max length of pagevec */
        struct nfs_readargs args;
        struct nfs_readres  res;
-#ifdef CONFIG_NFS_V4
        unsigned long           timestamp;      /* For lease renewal */
-#endif
+       struct pnfs_layout_segment *lseg;
+       struct nfs_client       *ds_clp;        /* pNFS data server */
+       const struct rpc_call_ops *mds_ops;
+       int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
+       __u64                   mds_offset;
        struct page             *page_array[NFS_PAGEVEC_SIZE];
 };
 
@@ -1035,13 +1063,21 @@ struct nfs_write_data {
        unsigned int            npages;         /* Max length of pagevec */
        struct nfs_writeargs    args;           /* argument struct */
        struct nfs_writeres     res;            /* result struct */
+       struct pnfs_layout_segment *lseg;
+       struct nfs_client       *ds_clp;        /* pNFS data server */
+       int                     ds_commit_index;
+       const struct rpc_call_ops *mds_ops;
+       int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
 #ifdef CONFIG_NFS_V4
        unsigned long           timestamp;      /* For lease renewal */
 #endif
+       __u64                   mds_offset;     /* Filelayout dense stripe */
        struct page             *page_array[NFS_PAGEVEC_SIZE];
 };
 
 struct nfs_access_entry;
+struct nfs_client;
+struct rpc_timeout;
 
 /*
  * RPC procedure vector for NFSv2/NFSv3 demuxing
@@ -1106,6 +1142,8 @@ struct nfs_rpc_ops {
                                struct nfs_open_context *ctx,
                                int open_flags,
                                struct iattr *iattr);
+       int     (*init_client) (struct nfs_client *, const struct rpc_timeout *,
+                               const char *, rpc_authflavor_t, int);
 };
 
 /*