NFS: create struct nfs_page_array
Both nfs_read_data and nfs_write_data devote several fields which
can be combined into a single shared struct.
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index fee3241..e34beaf 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1167,19 +1167,23 @@
#define NFS_PAGEVEC_SIZE (8U)
+struct nfs_page_array {
+ struct page **pagevec;
+ unsigned int npages; /* Max length of pagevec */
+ struct page *page_array[NFS_PAGEVEC_SIZE];
+};
+
struct nfs_read_data {
struct nfs_pgio_header *header;
struct list_head list;
struct rpc_task task;
struct nfs_fattr fattr; /* fattr storage */
- struct page **pagevec;
- unsigned int npages; /* Max length of pagevec */
struct nfs_readargs args;
struct nfs_readres res;
unsigned long timestamp; /* For lease renewal */
int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
__u64 mds_offset;
- struct page *page_array[NFS_PAGEVEC_SIZE];
+ struct nfs_page_array pages;
struct nfs_client *ds_clp; /* pNFS data server */
};
@@ -1206,14 +1210,12 @@
struct rpc_task task;
struct nfs_fattr fattr;
struct nfs_writeverf verf;
- struct page **pagevec;
- unsigned int npages; /* Max length of pagevec */
struct nfs_writeargs args; /* argument struct */
struct nfs_writeres res; /* result struct */
unsigned long timestamp; /* For lease renewal */
int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
__u64 mds_offset; /* Filelayout dense stripe */
- struct page *page_array[NFS_PAGEVEC_SIZE];
+ struct nfs_page_array pages;
struct nfs_client *ds_clp; /* pNFS data server */
};