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authorAndy Adamson2011-03-01 01:34:16 +0000
committerTrond Myklebust2011-03-11 15:38:42 -0500
commit64419a9b20938d9070fdd8c58c2fa23c911915f8 (patch)
tree182c1eaebcfb9b8e02fc75d807b346209757ace1 /include/linux
parentbae724ef95b0d0a1f4518f5451e7c8aabc41f820 (diff)
NFSv4.1: generic read
Separate the rpc run portion of nfs_read_rpcsetup into a new function nfs_initiate_read that is called for normal NFS I/O. Add a pNFS read_pagelist function that is called instead of nfs_intitate_read for pNFS reads. Signed-off-by: Andy Adamson <andros@citi.umich.edu> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> 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: Mike Sager <sager@netapp.com> Signed-off-by: Mingyang Guo <guomingyang@nrchpc.ac.cn> Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Tao Guo <guotao@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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nfs_iostat.h1
-rw-r--r--include/linux/nfs_xdr.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nfs_iostat.h b/include/linux/nfs_iostat.h
index 68b10f5f8907..37a143732d02 100644
--- a/include/linux/nfs_iostat.h
+++ b/include/linux/nfs_iostat.h
@@ -113,6 +113,7 @@ enum nfs_stat_eventcounters {
NFSIOS_SHORTREAD,
NFSIOS_SHORTWRITE,
NFSIOS_DELAY,
+ NFSIOS_PNFS_READ,
__NFSIOS_COUNTSMAX,
};
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 560923e28723..9d2b9dae277d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1018,6 +1018,7 @@ struct nfs_read_data {
struct nfs_readres res;
unsigned long timestamp; /* For lease renewal */
struct pnfs_layout_segment *lseg;
+ const struct rpc_call_ops *mds_ops;
struct page *page_array[NFS_PAGEVEC_SIZE];
};