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authorPeng Tao <tao.peng@primarydata.com>2014-11-17 09:30:36 +0800
committerTom Haynes <loghyr@primarydata.com>2015-02-03 11:06:49 -0800
commit15eb67c15342d212b0c8a540b6d6bd2dfad52a63 (patch)
treed757ddb7e60cf5eb6bbb796cdb66626232f77beb
parentceb11e13df3e78b450730c615037133c57b90c3b (diff)
nfs41: add range to layoutreturn args
So that callers can specify which range to return. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <loghyr@primarydata.com>
-rw-r--r--fs/nfs/nfs4xdr.c6
-rw-r--r--fs/nfs/pnfs.c4
-rw-r--r--include/linux/nfs_xdr.h2
3 files changed, 7 insertions, 5 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 3c3ff633dd1..56d4c91a48f 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2012,11 +2012,11 @@ 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(args->iomode);
+ *p++ = cpu_to_be32(args->range.iomode);
*p = cpu_to_be32(RETURN_FILE);
p = reserve_space(xdr, 16);
- p = xdr_encode_hyper(p, 0);
- p = xdr_encode_hyper(p, NFS4_MAX_UINT64);
+ p = xdr_encode_hyper(p, args->range.offset);
+ p = xdr_encode_hyper(p, args->range.length);
spin_lock(&args->inode->i_lock);
encode_nfs4_stateid(xdr, &args->stateid);
spin_unlock(&args->inode->i_lock);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 685af4fb39c..9549b89e494 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -916,7 +916,9 @@ pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
lrp->args.stateid = stateid;
lrp->args.layout_type = NFS_SERVER(ino)->pnfs_curr_ld->id;
lrp->args.inode = ino;
- lrp->args.iomode = iomode;
+ lrp->args.range.iomode = iomode;
+ lrp->args.range.offset = 0;
+ lrp->args.range.length = NFS4_MAX_UINT64;
lrp->args.layout = lo;
lrp->clp = NFS_SERVER(ino)->nfs_client;
lrp->cred = lo->plh_lc_cred;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 6400a1e01aa..363792356d2 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -293,7 +293,7 @@ struct nfs4_layoutreturn_args {
struct nfs4_sequence_args seq_args;
struct pnfs_layout_hdr *layout;
struct inode *inode;
- enum pnfs_iomode iomode;
+ struct pnfs_layout_range range;
nfs4_stateid stateid;
__u32 layout_type;
};