提交 52ec7be2 编写于 作者: T Trond Myklebust

pNFS: Clear out all layout segments if the server unsets lrp->res.lrs_present

If the server fails to set lrp->res.lrs_present in the LAYOUTRETURN reply,
then that means it believes the client holds no more layout state for that
file, and that the layout stateid is now invalid.
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
上级 2a59a041
......@@ -8190,10 +8190,13 @@ static void nfs4_layoutreturn_release(void *calldata)
dprintk("--> %s\n", __func__);
spin_lock(&lo->plh_inode->i_lock);
pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range,
be32_to_cpu(lrp->args.stateid.seqid));
if (lrp->res.lrs_present && pnfs_layout_is_valid(lo))
if (lrp->res.lrs_present) {
pnfs_mark_matching_lsegs_invalid(lo, &freeme,
&lrp->args.range,
be32_to_cpu(lrp->args.stateid.seqid));
pnfs_set_layout_stateid(lo, &lrp->res.stateid, true);
} else
pnfs_mark_layout_stateid_invalid(lo, &freeme);
pnfs_clear_layoutreturn_waitbit(lo);
spin_unlock(&lo->plh_inode->i_lock);
nfs4_sequence_free_slot(&lrp->res.seq_res);
......
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