int (*pg_doio)(struct nfs_pageio_descriptor *);
};
+struct nfs_rw_ops {
+ const fmode_t rw_mode;
+ struct nfs_rw_header *(*rw_alloc_header)(void);
+ void (*rw_free_header)(struct nfs_rw_header *);
+ void (*rw_release)(struct nfs_pgio_data *);
+};
+
struct nfs_pageio_descriptor {
struct list_head pg_list;
unsigned long pg_bytes_written;
struct inode *pg_inode;
const struct nfs_pageio_ops *pg_ops;
+ const struct nfs_rw_ops *pg_rw_ops;
int pg_ioflags;
int pg_error;
const struct rpc_call_ops *pg_rpc_callops;
const struct nfs_pgio_completion_ops *pg_completion_ops;
struct pnfs_layout_segment *pg_lseg;
struct nfs_direct_req *pg_dreq;
+ void *pg_layout_private;
};
#define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags))
struct inode *inode,
const struct nfs_pageio_ops *pg_ops,
const struct nfs_pgio_completion_ops *compl_ops,
+ const struct nfs_rw_ops *rw_ops,
size_t bsize,
int how);
extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *,