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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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include/linux/nfs_xdr.h
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@ -1020,6 +1020,7 @@ struct nfs_read_data {
struct pnfs_layout_segment *lseg;
struct nfs_client *ds_clp; /* pNFS data server */
const struct rpc_call_ops *mds_ops;
__u64 mds_offset;
struct page *page_array[NFS_PAGEVEC_SIZE];
};