commit f4ac1674f5da420ef17896f0f222c5215ebcde80
author Anna Schumaker <Anna.Schumaker@netapp.com> Tue Nov 25 13:18:15 2014 -0500
committer Trond Myklebust <trond.myklebust@primarydata.com> Tue Nov 25 16:38:32 2014 -0500
tree 5ad22eac7b8ef584ce1b39b618aeb0b242dcccb7
parent e9f456ca50e579dfacd996f50637f0bb0a585dfc

nfs: Add ALLOCATE support

This patch adds support for using the NFS v4.2 operation ALLOCATE to
preallocate data in a file.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

include/linux/nfs_fs_sb.h

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index a32ba0d..df6ed42 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -231,5 +231,6 @@
 #define NFS_CAP_ATOMIC_OPEN_V1	(1U << 17)
 #define NFS_CAP_SECURITY_LABEL	(1U << 18)
 #define NFS_CAP_SEEK		(1U << 19)
+#define NFS_CAP_ALLOCATE	(1U << 20)
 
 #endif