From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751192AbdKEOjj (ORCPT ); Sun, 5 Nov 2017 09:39:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:44204 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750786AbdKEOji (ORCPT ); Sun, 5 Nov 2017 09:39:38 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FB5C2188D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=chao@kernel.org From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH 1/3] f2fs: avoid using __GFP_NOFAIL Date: Sun, 5 Nov 2017 21:53:28 +0800 Message-Id: <20171105135330.15070-1-chao@kernel.org> X-Mailer: git-send-email 2.14.1.145.gb3622a4ee Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Yu We will keep __add_ino_entry success all the time, for ENOMEM failure case, we have already handled it with an opened loop code, so we don't have to use redundant __GFP_NOFAIL in radix_tree_preload, remove it. Signed-off-by: Chao Yu --- fs/f2fs/checkpoint.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 98777c1ae70c..43ee9d97fd8f 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -405,10 +405,11 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, { struct inode_management *im = &sbi->im[type]; struct ino_entry *e, *tmp; + bool preloaded; tmp = f2fs_kmem_cache_alloc(ino_entry_slab, GFP_NOFS); retry: - radix_tree_preload(GFP_NOFS | __GFP_NOFAIL); + preloaded = !radix_tree_preload(GFP_NOFS); spin_lock(&im->ino_lock); e = radix_tree_lookup(&im->ino_root, ino); @@ -416,7 +417,8 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, e = tmp; if (radix_tree_insert(&im->ino_root, ino, e)) { spin_unlock(&im->ino_lock); - radix_tree_preload_end(); + if (preloaded) + radix_tree_preload_end(); goto retry; } memset(e, 0, sizeof(struct ino_entry)); @@ -431,7 +433,9 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, f2fs_set_bit(devidx, (char *)&e->dirty_device); spin_unlock(&im->ino_lock); - radix_tree_preload_end(); + + if (preloaded) + radix_tree_preload_end(); if (e != tmp) kmem_cache_free(ino_entry_slab, tmp); -- 2.14.1.145.gb3622a4ee