Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752649AbdHNJWx (ORCPT ); Mon, 14 Aug 2017 05:22:53 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:3075 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752246AbdHNJWv (ORCPT ); Mon, 14 Aug 2017 05:22:51 -0400 From: Yunlong Song To: , , , , CC: , , , , Subject: [PATCH] f2fs: free_user_blocks should use reserved_segments instead Date: Mon, 14 Aug 2017 17:22:32 +0800 Message-ID: <1502702552-78497-1-git-send-email-yunlong.song@huawei.com> X-Mailer: git-send-email 1.8.5.2 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.193.250] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.59916BE7.00C7,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 32e8a5fa7096b55a39a4f1ab9ea7eb09 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 829 Lines: 28 The part (overprovision_segments - reserved_segments) can still be used for LFS, so free_use_blocks should use reserved_segments instead, rather than use overprovision_segments. Signed-off-by: Yunlong Song --- fs/f2fs/gc.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 9325191..6258305 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -49,10 +49,10 @@ struct gc_inode_list { */ static inline block_t free_user_blocks(struct f2fs_sb_info *sbi) { - if (free_segments(sbi) < overprovision_segments(sbi)) + if (free_segments(sbi) < reserved_segments(sbi)) return 0; else - return (free_segments(sbi) - overprovision_segments(sbi)) + return (free_segments(sbi) - reserved_segments(sbi)) << sbi->log_blocks_per_seg; } -- 1.8.5.2