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NFS: create completion structure to pass into page_init functions

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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>
This commit is contained in:
Fred Isaman 2012-04-20 14:47:48 -04:00 • committed by Trond Myklebust
parent 6c75dc0d49
commit 061ae2edb7
8 changed files with 93 additions and 51 deletions
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include/linux/nfs_page.h
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@ -67,6 +67,7 @@ struct nfs_pageio_descriptor {
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;
};
@ -83,6 +84,7 @@ extern void nfs_release_request(struct nfs_page *req);
extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
struct inode *inode,
const struct nfs_pageio_ops *pg_ops,
const struct nfs_pgio_completion_ops *compl_ops,
size_t bsize,
int how);
extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *,