From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH 4.4 063/342] bcache: Add a cond_resched() call to gc
To: <linux-kernel@vger.kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<stable@vger.kernel.org>, Takashi Iwai <tiwai@suse.de>,
	Eric Wheeler <bcache@linux.ewheeler.net>,
	Kent Overstreet <kmo@daterainc.com>, Jens Axboe <axboe@fb.com>
Message-Id: <20160301234530.037743897@linuxfoundation.org>
In-Reply-To: <20160301234527.990448862@linuxfoundation.org>
References: <20160301234527.990448862@linuxfoundation.org>
Date: Tue, 01 Mar 2016 23:54:04 +0000
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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kmo@daterainc.com>

commit c5f1e5adf956e3ba82d204c7c141a75da9fa449a upstream.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Eric Wheeler <bcache@linux.ewheeler.net>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/md/bcache/btree.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1741,6 +1741,7 @@ static void bch_btree_gc(struct cache_se
 	do {
 		ret = btree_root(gc_root, c, &op, &writes, &stats);
 		closure_sync(&writes);
+		cond_resched();
 
 		if (ret && ret != -EAGAIN)
 			pr_warn("gc failed!");