pNFS/flexfiles: Specify the layout segment range in LAYOUTGET (cbd7be43) · Commits · 戴 / test

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>

fs/nfs/flexfilelayout/flexfilelayout.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -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 @@ retry:
		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);

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