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authorFred Isaman <iisaman@netapp.com>2011-01-06 11:36:25 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-01-06 14:46:31 -0500
commitcf7d63f1f9895713551df2e6d18b006f8af26e91 (patch)
treefc3dbfc12332878a832c11b5ae47ff259bb1bc32 /include/linux/nfs_xdr.h
parentc31663d4a1fac5ce1954d656cbcf80eb883b814a (diff)
pnfs: serialize LAYOUTGET(openstateid)
We shouldn't send a LAYOUTGET(openstateid) unless all outstanding RPCs using the previous stateid are completed. This requires choosing the stateid to encode earlier, so we can abort if one is not available (we want to use the open stateid, but a LAYOUTGET is already out using it), and adding a count of the number of outstanding rpc calls using layout state (which for now consist solely of LAYOUTGETs). Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_xdr.h')
-rw-r--r--include/linux/nfs_xdr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 8fcc54267bba..83d36d3a12e6 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -208,6 +208,7 @@ struct nfs4_layoutget_args {
struct inode *inode;
struct nfs_open_context *ctx;
struct nfs4_sequence_args seq_args;
+ nfs4_stateid stateid;
};
struct nfs4_layoutget_res {