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NFSv4.1: filelayout read

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Attempt a pNFS file layout read by setting up the nfs_read_data struct and
calling nfs_initiate_read with the data server rpc client and the
filelayout rpc call ops.

Error handling is implemented in a subsequent patch.

Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Mingyang Guo <guomingyang@nrchpc.ac.cn>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Tested-by: Guo Mingyang <guomingyang@nrchpc.ac.cn>
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Andy Adamson
2011-03-01 01:34:19 +00:00
committed by Trond Myklebust
parent cfe7f4120f
commit dc70d7b318
6 changed files with 92 additions and 2 deletions
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3
fs/nfs/read.c
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@@ -157,7 +157,7 @@ static void nfs_readpage_release(struct nfs_page *req)
nfs_release_request(req);
}
static int nfs_initiate_read(struct nfs_read_data *data, struct rpc_clnt *clnt,
int nfs_initiate_read(struct nfs_read_data *data, struct rpc_clnt *clnt,
const struct rpc_call_ops *call_ops)
{
struct inode *inode = data->inode;
@@ -195,6 +195,7 @@ static int nfs_initiate_read(struct nfs_read_data *data, struct rpc_clnt *clnt,
rpc_put_task(task);
return 0;
}
EXPORT_SYMBOL_GPL(nfs_initiate_read);
/*
* Set up the NFS read request struct