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nfs41: pass iomode through layoutreturn args 

So that it is possible to return a specific iomode layouts.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
This commit is contained in:
Peng Tao 2014-09-06 00:53:21 +08:00 committed by Tom Haynes
parent aabff4ddca
commit 4579d6b897
3 changed files with 3 additions and 1 deletions
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2
fs/nfs/nfs4xdr.c
View File

@ -2012,7 +2012,7 @@ encode_layoutreturn(struct xdr_stream *xdr,
p = reserve_space(xdr, 16);
*p++ = cpu_to_be32(0); /* reclaim. always 0 for now */
*p++ = cpu_to_be32(args->layout_type);
*p++ = cpu_to_be32(IOMODE_ANY);
*p++ = cpu_to_be32(args->iomode);
*p = cpu_to_be32(RETURN_FILE);
p = reserve_space(xdr, 16);
p = xdr_encode_hyper(p, 0);

1
fs/nfs/pnfs.c
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@ -914,6 +914,7 @@ _pnfs_return_layout(struct inode *ino)
lrp->args.stateid = stateid;
lrp->args.layout_type = NFS_SERVER(ino)->pnfs_curr_ld->id;
lrp->args.inode = ino;
lrp->args.iomode = IOMODE_ANY;
lrp->args.layout = lo;
lrp->clp = NFS_SERVER(ino)->nfs_client;
lrp->cred = lo->plh_lc_cred;

1
include/linux/nfs_xdr.h
View File

@ -293,6 +293,7 @@ struct nfs4_layoutreturn_args {
struct nfs4_sequence_args seq_args;
struct pnfs_layout_hdr *layout;
struct inode *inode;
enum pnfs_iomode iomode;
nfs4_stateid stateid;
__u32 layout_type;
};