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NFS: Create an read_pageio_init() function

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pNFS needs to select a read function based on the layout driver
currently in use, so I let each NFS version decide how to best handle
initializing reads.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker
2012-06-20 15:53:47 -04:00
committed by Trond Myklebust
parent 6663ee7f81
commit 1abb50886a
8 changed files with 18 additions and 23 deletions
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3
include/linux/nfs_xdr.h
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@@ -1354,6 +1354,7 @@ struct nfs_access_entry;
struct nfs_client;
struct rpc_timeout;
struct nfs_client_initdata;
struct nfs_pageio_descriptor;
/*
* RPC procedure vector for NFSv2/NFSv3 demuxing
@@ -1407,6 +1408,8 @@ struct nfs_rpc_ops {
int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
const struct nfs_pgio_completion_ops *);
void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
int (*read_done) (struct rpc_task *, struct nfs_read_data *);
void (*write_setup) (struct nfs_write_data *, struct rpc_message *);