Merge branch 'nfsclone'

* nfsclone:
  nfs: add missing linux/types.h
  NFS: Fix an 'unused variable' complaint when #ifndef CONFIG_NFS_V4_2
  nfs42: add NFS_IOC_CLONE_RANGE ioctl
  nfs42: respect clone_blksize
  nfs: get clone_blksize when probing fsinfo
  nfs42: add NFS_IOC_CLONE ioctl
  nfs42: add CLONE proc functions
  nfs42: add CLONE xdr functions

1 files changed, 20 insertions, 0 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 53f2acc68baf..4728e7e5fc49 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -141,6 +141,7 @@ struct nfs_fsinfo {
 	__u32			lease_time; /* in seconds */
 	__u32			layouttype; /* supported pnfs layout driver */
 	__u32			blksize; /* preferred pnfs io block size */
+	__u32			clone_blksize; /* granularity of a CLONE operation */
 };
 
 struct nfs_fsstat {
@@ -359,6 +360,25 @@ struct nfs42_layoutstat_data {
 	struct nfs42_layoutstat_res res;
 };
 
+struct nfs42_clone_args {
+	struct nfs4_sequence_args	seq_args;
+	struct nfs_fh			*src_fh;
+	struct nfs_fh			*dst_fh;
+	nfs4_stateid			src_stateid;
+	nfs4_stateid			dst_stateid;
+	__u64				src_offset;
+	__u64				dst_offset;
+	__u64				count;
+	const u32			*dst_bitmask;
+};
+
+struct nfs42_clone_res {
+	struct nfs4_sequence_res	seq_res;
+	unsigned int			rpc_status;
+	struct nfs_fattr		*dst_fattr;
+	const struct nfs_server		*server;
+};
+
 struct stateowner_id {
 	__u64	create_time;
 	__u32	uniquifier;