From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3ECA2C433F5 for ; Tue, 4 Oct 2022 01:41:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229661AbiJDBlO (ORCPT ); Mon, 3 Oct 2022 21:41:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229619AbiJDBlL (ORCPT ); Mon, 3 Oct 2022 21:41:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A200E27B2E for ; Mon, 3 Oct 2022 18:41:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3D35260F97 for ; Tue, 4 Oct 2022 01:41:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51611C433D6; Tue, 4 Oct 2022 01:41:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664847668; bh=SViozrtHpxa4Fp3tUE+OJWXx+CBtzHe8unuMcforS/A=; h=From:To:Cc:Subject:Date:From; b=QWHXY2+cJbinaPnmP2PnDWwBv9EcIWPFtiBAOOE9c5E5xlnYcY8cm04KtryGAqdJK Oq76MdzgAQ+czQ8cXvY03S5zGyL92mvyZ3eKSbmZgzcUl0vHwgDsIOVLol61ilwZaH gUyfegfnnBTuhYmkpdUUO+aun+YAZIlXflAtz4OgJktkO4s/MtnXbzB/hKYkv35O1x UNENjhBt82tDgccRfziumN9/GXp/tCw72ZcmxeU/ssacQIDSzeCPZfOdfiHiAFYHd+ 6o8pPMlXRHvU0IW/64Xf7zSTSEfj1qQCGyMxbhIO9IZ5yUPB8QM7YxRw8S6T2jFMzI Y0fvk+ZNiq6qQ== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH] f2fs: change to use atomic_t type form sbi.atomic_files Date: Tue, 4 Oct 2022 09:41:02 +0800 Message-Id: <20221004014102.974213-1-chao@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org inode_lock[ATOMIC_FILE] was used for protecting sbi->atomic_files, update atomic_files variable's type to atomic_t instead of unsigned int, then inode_lock[ATOMIC_FILE] can be obsoleted. Signed-off-by: Chao Yu --- fs/f2fs/debug.c | 3 ++- fs/f2fs/f2fs.h | 11 ++++++++--- fs/f2fs/file.c | 4 +--- fs/f2fs/segment.c | 5 +---- 4 files changed, 12 insertions(+), 11 deletions(-) diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 7a9dd2319155..a216dcdf6941 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -91,7 +91,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->ndirty_files = sbi->ndirty_inode[FILE_INODE]; si->nquota_files = sbi->nquota_files; si->ndirty_all = sbi->ndirty_inode[DIRTY_META]; - si->aw_cnt = sbi->atomic_files; + si->aw_cnt = atomic_read(&sbi->atomic_files); si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt); si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ); si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE); @@ -611,6 +611,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi) atomic_set(&sbi->compr_inode, 0); atomic64_set(&sbi->compr_blocks, 0); atomic_set(&sbi->swapfile_inode, 0); + atomic_set(&sbi->atomic_files, 0); atomic_set(&sbi->inplace_count, 0); for (i = META_CP; i < META_MAX; i++) atomic_set(&sbi->meta_count[i], 0); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index a0b2c8626a75..fba7cd5cc201 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1259,7 +1259,6 @@ enum inode_type { DIR_INODE, /* for dirty dir inode */ FILE_INODE, /* for dirty regular/symlink inode */ DIRTY_META, /* for all dirtied inode metadata */ - ATOMIC_FILE, /* for all atomic files */ NR_INODE_TYPE, }; @@ -1741,7 +1740,6 @@ struct f2fs_sb_info { unsigned int gc_urgent_high_remaining; /* remaining trial count for GC_URGENT_HIGH */ /* for skip statistic */ - unsigned int atomic_files; /* # of opened atomic file */ unsigned long long skipped_gc_rwsem; /* FG_GC only */ /* threshold for gc trials on pinned files */ @@ -1773,6 +1771,7 @@ struct f2fs_sb_info { atomic_t compr_inode; /* # of compressed inodes */ atomic64_t compr_blocks; /* # of compressed blocks */ atomic_t swapfile_inode; /* # of swapfile inodes */ + atomic_t atomic_files; /* # of opened atomic file */ atomic_t max_aw_cnt; /* max # of atomic writes */ unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ unsigned int other_skip_bggc; /* skip background gc for other reasons */ @@ -3972,6 +3971,10 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) (atomic_inc(&F2FS_I_SB(inode)->swapfile_inode)) #define stat_dec_swapfile_inode(inode) \ (atomic_dec(&F2FS_I_SB(inode)->swapfile_inode)) +#define stat_inc_atomic_inode(inode) \ + (atomic_inc(&F2FS_I_SB(inode)->atomic_files)) +#define stat_dec_atomic_inode(inode) \ + (atomic_dec(&F2FS_I_SB(inode)->atomic_files)) #define stat_inc_meta_count(sbi, blkaddr) \ do { \ if (blkaddr < SIT_I(sbi)->sit_base_addr) \ @@ -3991,7 +3994,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) (atomic_inc(&(sbi)->inplace_count)) #define stat_update_max_atomic_write(inode) \ do { \ - int cur = F2FS_I_SB(inode)->atomic_files; \ + int cur = atomic_read(&F2FS_I_SB(inode)->atomic_files); \ int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ if (cur > max) \ atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ @@ -4058,6 +4061,8 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi); #define stat_sub_compr_blocks(inode, blocks) do { } while (0) #define stat_inc_swapfile_inode(inode) do { } while (0) #define stat_dec_swapfile_inode(inode) do { } while (0) +#define stat_inc_atomic_inode(inode) do { } while (0) +#define stat_dec_atomic_inode(inode) do { } while (0) #define stat_update_max_atomic_write(inode) do { } while (0) #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) #define stat_inc_seg_type(sbi, curseg) do { } while (0) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index df5e7ad80096..e4b6e51086a3 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2061,9 +2061,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp, bool truncate) } f2fs_i_size_write(fi->cow_inode, isize); - spin_lock(&sbi->inode_lock[ATOMIC_FILE]); - sbi->atomic_files++; - spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); + stat_inc_atomic_inode(inode); set_inode_flag(inode, FI_ATOMIC_FILE); set_inode_flag(fi->cow_inode, FI_COW_FILE); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 5619f2916335..79ec215a7ec6 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -187,7 +187,6 @@ bool f2fs_need_SSR(struct f2fs_sb_info *sbi) void f2fs_abort_atomic_write(struct inode *inode, bool clean) { - struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode_info *fi = F2FS_I(inode); if (!f2fs_is_atomic_file(inode)) @@ -203,9 +202,7 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean) release_atomic_write_cnt(inode); clear_inode_flag(inode, FI_ATOMIC_FILE); - spin_lock(&sbi->inode_lock[ATOMIC_FILE]); - sbi->atomic_files--; - spin_unlock(&sbi->inode_lock[ATOMIC_FILE]); + stat_dec_atomic_inode(inode); } static int __replace_atomic_write_block(struct inode *inode, pgoff_t index, -- 2.25.1