NFS/pNFS: Fix a leak of the layout 'plh_outstanding' counter

If we exit _lgopen_prepare_attached() without setting a layout, we will
currently leak the plh_outstanding counter.

Fixes: 411ae722d10a ("pNFS: Wait for stale layoutget calls to complete in pnfs_update_layout()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index fc13a3c8bc483aea7098731a5922bfda8161a584..4f274f21c4abcb9c2d96bc4088c3f1f4003258f0 100644 (file)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2244,6 +2244,7 @@ static void _lgopen_prepare_attached(struct nfs4_opendata *data,
                                             &rng, GFP_KERNEL);
        if (!lgp) {
                pnfs_clear_first_layoutget(lo);
+               nfs_layoutget_end(lo);
                pnfs_put_layout_hdr(lo);
                return;
        }