pNFS/flexfiles: Specify the layout segment range in LAYOUTGET

Move from requesting only full file layout segments, to requesting
layout segments that match our I/O size. This means the server is
still free to return a full file layout, but we will no longer
error out if it does not.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-03-23 15:18:12 -04:00
parent e70430d939
commit cbd7be43c4

View File

@ -798,8 +798,8 @@ ff_layout_pg_get_read(struct nfs_pageio_descriptor *pgio,
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,
nfs_req_openctx(req),
0,
NFS4_MAX_UINT64,
req_offset(req),
req->wb_bytes,
IOMODE_READ,
strict_iomode,
GFP_KERNEL);
@ -891,8 +891,8 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio,
if (!pgio->pg_lseg) {
pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,
nfs_req_openctx(req),
0,
NFS4_MAX_UINT64,
req_offset(req),
req->wb_bytes,
IOMODE_RW,
false,
GFP_NOFS);