@@ -469,14 +469,6 @@ pnfs_insert_layout(struct pnfs_layout_hdr *lo,
dprintk("%s:Begin\n", __func__);
assert_spin_locked(&lo->plh_inode->i_lock);
- if (list_empty(&lo->plh_segs)) {
- struct nfs_client *clp = NFS_SERVER(lo->plh_inode)->nfs_client;
-
- spin_lock(&clp->cl_lock);
- BUG_ON(!list_empty(&lo->plh_layouts));
- list_add_tail(&lo->plh_layouts, &clp->cl_layouts);
- spin_unlock(&clp->cl_lock);
- }
list_for_each_entry(lp, &lo->plh_segs, pls_list) {
if (cmp_layout(lp->pls_range.iomode, lseg->pls_range.iomode) > 0)
continue;
@@ -597,6 +589,7 @@ pnfs_update_layout(struct inode *ino,
enum pnfs_iomode iomode)
{
struct nfs_inode *nfsi = NFS_I(ino);
+ struct nfs_client *clp = NFS_SERVER(ino)->nfs_client;
struct pnfs_layout_hdr *lo;
struct pnfs_layout_segment *lseg = NULL;
@@ -626,9 +619,27 @@ pnfs_update_layout(struct inode *ino,
atomic_inc(&lo->plh_outstanding);
get_layout_hdr_locked(lo);
+ if (list_empty(&lo->plh_segs)) {
+ /* The lo must be on the clp list if there is any
+ * chance of a CB_LAYOUTRECALL(FILE) coming in.
+ */
+ spin_lock(&clp->cl_lock);
+ BUG_ON(!list_empty(&lo->plh_layouts));
+ list_add_tail(&lo->plh_layouts, &clp->cl_layouts);
+ spin_unlock(&clp->cl_lock);
+ }
spin_unlock(&ino->i_lock);
lseg = send_layoutget(lo, ctx, iomode);
+ if (!lseg) {
+ spin_lock(&ino->i_lock);
+ if (list_empty(&lo->plh_segs)) {
+ spin_lock(&clp->cl_lock);
+ list_del_init(&lo->plh_layouts);
+ spin_unlock(&clp->cl_lock);
+ }
+ spin_unlock(&ino->i_lock);
+ }
atomic_dec(&lo->plh_outstanding);
put_layout_hdr(ino);
out: