From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49558 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755567AbdERKxI (ORCPT ); Thu, 18 May 2017 06:53:08 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jaegeuk Kim Subject: [PATCH 4.11 086/114] f2fs: fix wrong max cost initialization Date: Thu, 18 May 2017 12:46:36 +0200 Message-Id: <20170518103617.755002160@linuxfoundation.org> In-Reply-To: <20170518103604.736737251@linuxfoundation.org> References: <20170518103604.736737251@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.11-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jaegeuk Kim commit c541a51b8ce81d003b02ed67ad3604a2e6220e3e upstream. This patch fixes missing increased max cost caused by a patch that we increased cose of data segments in greedy algorithm. Fixes: b9cd20619 "f2fs: node segment is prior to data segment selected victim" Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/gc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -182,7 +182,7 @@ static unsigned int get_max_cost(struct if (p->alloc_mode == SSR) return sbi->blocks_per_seg; if (p->gc_mode == GC_GREEDY) - return sbi->blocks_per_seg * p->ofs_unit; + return 2 * sbi->blocks_per_seg * p->ofs_unit; else if (p->gc_mode == GC_CB) return UINT_MAX; else /* No other gc_mode */