pnfs: pnfs_update_layout needs to consider if strict iomode checking is on

As flexfiles has FF_FLAGS_NO_READ_IO, there is a need to generically
support enforcing that a IOMODE_RW segment will not allow READ I/O.

Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 3e50057eeadf..aa59757389dc 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -890,6 +890,7 @@ filelayout_pg_init_read(struct nfs_pageio_descriptor *pgio,
                                            0,
                                            NFS4_MAX_UINT64,
                                            IOMODE_READ,
+                                           false,
                                            GFP_KERNEL);
                 if (IS_ERR(pgio->pg_lseg)) {
                         pgio->pg_error = PTR_ERR(pgio->pg_lseg);
@@ -915,6 +916,7 @@ filelayout_pg_init_write(struct nfs_pageio_descriptor *pgio,
                                            0,
                                            NFS4_MAX_UINT64,
                                            IOMODE_RW,
+                                           false,
                                            GFP_NOFS);
                 if (IS_ERR(pgio->pg_lseg)) {
                         pgio->pg_error = PTR_ERR(pgio->pg_lseg);