Commit e70430d9 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

pNFS/flexfiles: remove requirement for whole file layouts 



Remove the requirement that the server always sends whole file
layouts.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent e1e54ab7

fs/nfs/flexfilelayout/flexfilelayout.c

+0 −21
Original line number Diff line number Diff line
@@ -257,24 +257,6 @@ static void ff_layout_free_mirror_array(struct nfs4_ff_layout_segment *fls) 
		ff_layout_put_mirror(fls->mirror_array[i]);

}



static int ff_layout_check_layout(struct nfs4_layoutget_res *lgr)

{

	int ret = 0;



	dprintk("--> %s\n", __func__);



	/* FIXME: remove this check when layout segment support is added */

	if (lgr->range.offset != 0 ||

	    lgr->range.length != NFS4_MAX_UINT64) {

		dprintk("%s Only whole file layouts supported. Use MDS i/o\n",

			__func__);

		ret = -EINVAL;

	}



	dprintk("--> %s returns %d\n", __func__, ret);

	return ret;

}



static void _ff_layout_free_lseg(struct nfs4_ff_layout_segment *fls)

{

	if (fls) {
@@ -556,9 +538,6 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh, 


out_sort_mirrors:

	ff_layout_sort_mirrors(fls);

	rc = ff_layout_check_layout(lgr);

	if (rc)

		goto out_err_free;

	ret = &fls->generic_hdr;

	dprintk("<-- %s (success)\n", __func__);

out_free_page: