NFS: create completion structure to pass into page_init functions

Factors out the code that will need to change when directio
starts using these code paths.  This will allow directio to use
the generic pagein and flush routines

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 16bc9c47c83e..3ef8fcda1a5f 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -300,11 +300,10 @@ extern struct dentry *nfs4_get_root(struct super_block *, struct nfs_fh *,
 extern int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh);
 #endif
 
+struct nfs_pgio_completion_ops;
 /* read.c */
-extern void nfs_async_read_error(struct list_head *head);
 extern struct nfs_read_header *nfs_readhdr_alloc(void);
 extern void nfs_readhdr_free(struct nfs_pgio_header *hdr);
-extern void nfs_read_completion(struct nfs_pgio_header *hdr);
 extern struct nfs_read_data *nfs_readdata_alloc(struct nfs_pgio_header *hdr,
                                                 unsigned int pagecount);
 extern int nfs_initiate_read(struct rpc_clnt *clnt,
@@ -314,21 +313,21 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
 extern int nfs_generic_pagein(struct nfs_pageio_descriptor *desc,
                               struct nfs_pgio_header *hdr);
 extern void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
-                struct inode *inode);
+                        struct inode *inode,
+                        const struct nfs_pgio_completion_ops *compl_ops);
 extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
 extern void nfs_readdata_release(struct nfs_read_data *rdata);
 
 /* write.c */
-extern void nfs_async_write_error(struct list_head *head);
 extern struct nfs_write_header *nfs_writehdr_alloc(void);
 extern void nfs_writehdr_free(struct nfs_pgio_header *hdr);
 extern struct nfs_write_data *nfs_writedata_alloc(struct nfs_pgio_header *hdr,
                                                   unsigned int pagecount);
-extern void nfs_write_completion(struct nfs_pgio_header *hdr);
 extern int nfs_generic_flush(struct nfs_pageio_descriptor *desc,
                              struct nfs_pgio_header *hdr);
 extern void nfs_pageio_init_write_mds(struct nfs_pageio_descriptor *pgio,
-                                  struct inode *inode, int ioflags);
+                        struct inode *inode, int ioflags,
+                        const struct nfs_pgio_completion_ops *compl_ops);
 extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio);
 extern void nfs_writedata_release(struct nfs_write_data *wdata);
 extern void nfs_commit_free(struct nfs_commit_data *p);