From: Artem Bityutskiy <dedekind@infradead.org>
Date: Tue, 19 Dec 2006 13:45:23 +0000 (+0200)
Subject: [JFFS2] add cond_resched() when garbage collecting deletion dirent
X-Git-Tag: v2.6.20-rc6~47^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aba54da3d05e910199ea8255992c244c9abadd91;p=linux-2.6

[JFFS2] add cond_resched() when garbage collecting deletion dirent

We observe soft lockups when doing heavy test which creates
directory with a lot of direntries and deletes them. This
cycle is the reason fo this. Make it nicer and add cond_resched()
inside of it.

Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---

diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index daff3341ff..3a3cf22598 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -838,6 +838,8 @@ static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct
 
 		for (raw = f->inocache->nodes; raw != (void *)f->inocache; raw = raw->next_in_ino) {
 
+			cond_resched();
+
 			/* We only care about obsolete ones */
 			if (!(ref_obsolete(raw)))
 				continue;