nfs: Add DEALLOCATE support

This patch adds support for using the NFS v4.2 operation DEALLOCATE to
punch holes in a file.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b1b403b0ca0d..e7f8d5ff2581 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8425,6 +8425,7 @@ static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = {
                 | NFS_CAP_STATEID_NFSV41
                 | NFS_CAP_ATOMIC_OPEN_V1
                 | NFS_CAP_ALLOCATE
+                | NFS_CAP_DEALLOCATE
                 | NFS_CAP_SEEK,
         .init_client = nfs41_init_client,
         .shutdown_client = nfs41_shutdown_client,