From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 20 Apr 2018 03:58:48 +0000 (-0400)
Subject: restore cond_resched() in shrink_dcache_parent()
X-Git-Tag: v4.18-rc1~191^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4fb48871409e2fcd375087d526d07f7600c88f94;p=thirdparty%2Flinux.git

restore cond_resched() in shrink_dcache_parent()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/dcache.c b/fs/dcache.c
index c4d2234eccc36..60df712262c2e 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1473,10 +1473,15 @@ void shrink_dcache_parent(struct dentry *parent)
 		data.found = 0;
 
 		d_walk(parent, &data, select_collect);
+
+		if (!list_empty(&data.dispose)) {
+			shrink_dentry_list(&data.dispose);
+			continue;
+		}
+
+		cond_resched();
 		if (!data.found)
 			break;
-
-		shrink_dentry_list(&data.dispose);
 	}
 }
 EXPORT_SYMBOL(shrink_dcache_parent);