linux-kernel - [PATCH 5.2 282/413] bcache: Revert "bcache: free heap cache_set->flush_btree in bch_journal

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Date:   Wed, 24 Jul 2019 21:19:33 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Coly Li <colyli@...e.de>,
        Shenghui Wang <shhuiw@...mail.com>,
        Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 5.2 282/413] bcache: Revert "bcache: free heap cache_set->flush_btree in bch_journal_free"

From: Coly Li <colyli@...e.de>

commit ba82c1ac1667d6efb91a268edb13fc9cdaecec9b upstream.

This reverts commit 6268dc2c4703aabfb0b35681be709acf4c2826c6.

This patch depends on commit c4dc2497d50d ("bcache: fix high CPU
occupancy during journal") which is reverted in previous patch. So
revert this one too.

Fixes: 6268dc2c4703 ("bcache: free heap cache_set->flush_btree in bch_journal_free")
Signed-off-by: Coly Li <colyli@...e.de>
Cc: stable@...r.kernel.org
Cc: Shenghui Wang <shhuiw@...mail.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/md/bcache/journal.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -843,7 +843,6 @@ void bch_journal_free(struct cache_set *
 	free_pages((unsigned long) c->journal.w[1].data, JSET_BITS);
 	free_pages((unsigned long) c->journal.w[0].data, JSET_BITS);
 	free_fifo(&c->journal.pin);
-	free_heap(&c->flush_btree);
 }
 
 int bch_journal_alloc(struct cache_set *c)