From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yunlong Song Subject: [PATCH 3/3] f2fs: provide more chance for node and data to get ssr segment Date: Wed, 22 Feb 2017 20:50:51 +0800 Message-ID: <1487767851-819-3-git-send-email-yunlong.song@huawei.com> References: <1487767851-819-1-git-send-email-yunlong.song@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1487767851-819-1-git-send-email-yunlong.song@huawei.com> Sender: linux-kernel-owner@vger.kernel.org To: jaegeuk@kernel.org, cm224.lee@samsung.com, yuchao0@huawei.com, chao@kernel.org, sylinux@163.com, yunlong.song@huawei.com, miaoxie@huawei.com Cc: bintian.wang@huawei.com, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org List-Id: linux-f2fs-devel.lists.sourceforge.net Signed-off-by: Yunlong Song --- fs/f2fs/segment.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 9d13743..5fe71b9 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1540,12 +1540,17 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type) { struct curseg_info *curseg = CURSEG_I(sbi, type); const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops; + int old_type = type; if (IS_NODESEG(type)) { for (; type >= CURSEG_HOT_NODE; type--) if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR)) return 1; + for (type = old_type + 1; type <= CURSEG_COLD_NODE; type++) + if (v_ops->get_victim(sbi, &(curseg)->next_segno, + BG_GC, type, SSR)) + return 1; return 0; } @@ -1554,6 +1559,10 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type) if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR)) return 1; + for (type = old_type + 1; type <= CURSEG_COLD_DATA; type++) + if (v_ops->get_victim(sbi, &(curseg)->next_segno, + BG_GC, type, SSR)) + return 1; return 0; } -- 1.8.5.2