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pNFS: Allow layout drivers to manage private data in struct nfs4_layoutreturn

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Cleanup to allow layout drivers to attach private data to layoutreturn,
and manage the data.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2016-09-23 11:38:08 -04:00
parent f8c3cf9d7d
commit 4d796d751c
4 changed files with 12 additions and 1 deletions
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2
include/linux/nfs_xdr.h
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@@ -320,6 +320,7 @@ struct nfs4_layoutreturn_args {
struct pnfs_layout_range range;
nfs4_stateid stateid;
__u32 layout_type;
struct nfs4_xdr_opaque_data *ld_private;
};
struct nfs4_layoutreturn_res {
@@ -335,6 +336,7 @@ struct nfs4_layoutreturn {
struct nfs_client *clp;
struct inode *inode;
int rpc_status;
struct nfs4_xdr_opaque_data ld_private;
};
#define PNFS_LAYOUTSTATS_MAXSIZE 256