NFSv4.1: Clear NFS_LAYOUT_BULK_RECALL when the layout segments are freed

Once all the affected layout segments have been freed up, clear the
NFS_LAYOUT_BULK_RECALL flag so that we can reuse the pnfs_layout_hdr

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index bda88a2..174c51a 100644 (file)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -331,6 +331,8 @@ pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo,
        list_del_init(&lseg->pls_list);
        /* Matched by pnfs_get_layout_hdr in pnfs_layout_insert_lseg */
        atomic_dec(&lo->plh_refcount);
+       if (list_empty(&lo->plh_segs))
+               clear_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags);
        rpc_wake_up(&NFS_SERVER(inode)->roc_rpcwaitq);
 }