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pNFS/flexfiles: remove requirement for whole file layouts

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

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-03-23 14:33:11 -04:00
parent e1e54ab710
commit e70430d939
1 changed files with 0 additions and 21 deletions
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21
fs/nfs/flexfilelayout/flexfilelayout.c
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@ -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]); 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) static void _ff_layout_free_lseg(struct nfs4_ff_layout_segment *fls)
{ {
if (fls) { if (fls) {
@ -556,9 +538,6 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
out_sort_mirrors: out_sort_mirrors:
ff_layout_sort_mirrors(fls); ff_layout_sort_mirrors(fls);
rc = ff_layout_check_layout(lgr);
if (rc)
goto out_err_free;
ret = &fls->generic_hdr; ret = &fls->generic_hdr;
dprintk("<-- %s (success)\n", __func__); dprintk("<-- %s (success)\n", __func__);
out_free_page: out_free_page: