[PATCH v2 7/7] NFS/pNFS: Fix a leak of the layout 'plh_outstanding' counter

trondmy
2021-01-07T05:32:54Z

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>
---
fs/nfs/pnfs.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index fc13a3c8bc48..4f274f21c4ab 100644
--- 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;
}
--
2.29.2