From: NeilBrown <neilb@suse.de>
Date: Fri, 9 Jul 2010 06:27:43 +0000 (+1000)
Subject: Ensure we drop async refs on youthblk extra on unmount.
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=0cb916b6074f384e929e10cce8de126be84dbd72;p=LaFS.git

Ensure we drop async refs on youthblk extra on unmount.

This shouldn't really be a problem, but it seems to be....

Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/segments.c b/segments.c
index 2733b1a..2f1961d 100644
--- a/segments.c
+++ b/segments.c
@@ -232,6 +232,10 @@ void lafs_seg_put_all(struct fs *fs)
 				ss->ssblk = NULL;
 				ss->youthblk = NULL;
 				spin_unlock(&fs->stable_lock);
+				if (b && test_and_clear_bit(B_Async, &b->b.flags))
+					putdref(b, MKREF(async));
+				if (y && test_and_clear_bit(B_Async, &y->b.flags))
+					putdref(y, MKREF(async));
 				putdref(b, MKREF(ss));
 				putdref(y, MKREF(ssyouth));
 				goto retry;