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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AAEAC4332F for ; Mon, 27 Sep 2021 07:22:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E3B06023D for ; Mon, 27 Sep 2021 07:22:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233265AbhI0HYW (ORCPT ); Mon, 27 Sep 2021 03:24:22 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:56850 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233221AbhI0HYP (ORCPT ); Mon, 27 Sep 2021 03:24:15 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 493C320090 for ; Mon, 27 Sep 2021 07:22:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1632727357; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=e48ETYO5NKGJZPHkbVDdGrMd9wvszasMeuBfUv130Q8=; b=CA+84tr9J+yAQGnS0Tt7zHuz3VeUzyg7reWusjpq9TDt8kLRsgbpxJuODBlNy0HLlS+PO4 bq+1LB5KRLP5UbyIpGwSaNSA6D+Pn78ABPeUJ4Mw9HGK7XKYculWkFLZHeM4m+86JMW/zj UpbHZZ2k54kktHZ+EPhfeL0JhIwYzV0= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 9C60813A1E for ; Mon, 27 Sep 2021 07:22:36 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id GDLYGTxxUWEVLAAAMHmgww (envelope-from ) for ; Mon, 27 Sep 2021 07:22:36 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v3 10/26] btrfs: introduce submit_compressed_bio() for compression Date: Mon, 27 Sep 2021 15:21:52 +0800 Message-Id: <20210927072208.21634-11-wqu@suse.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210927072208.21634-1-wqu@suse.com> References: <20210927072208.21634-1-wqu@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org The new helper, submit_compressed_bio(), will aggregate the following work: - Increase compressed_bio::pending_bios - Remap the endio function - Map and submit the bio Signed-off-by: Qu Wenruo --- fs/btrfs/compression.c | 45 ++++++++++++++++++------------------------ 1 file changed, 19 insertions(+), 26 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index b6ed5933caf5..3f0be97d17f3 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -422,6 +422,21 @@ static void end_compressed_bio_write(struct bio *bio) bio_put(bio); } +static blk_status_t submit_compressed_bio(struct btrfs_fs_info *fs_info, + struct compressed_bio *cb, + struct bio *bio, int mirror_num) +{ + blk_status_t ret; + + ASSERT(bio->bi_iter.bi_size); + atomic_inc(&cb->pending_bios); + ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DATA); + if (ret) + return ret; + ret = btrfs_map_bio(fs_info, bio, mirror_num); + return ret; +} + /* * worker function to build and submit bios for previously compressed pages. * The corresponding pages in the inode should be marked for writeback @@ -518,19 +533,13 @@ blk_status_t btrfs_submit_compressed_write(struct btrfs_inode *inode, u64 start, page->mapping = NULL; if (submit || len < PAGE_SIZE) { - atomic_inc(&cb->pending_bios); - ret = btrfs_bio_wq_end_io(fs_info, bio, - BTRFS_WQ_ENDIO_DATA); - if (ret) - goto finish_cb; - if (!skip_sum) { ret = btrfs_csum_one_bio(inode, bio, start, 1); if (ret) goto finish_cb; } - ret = btrfs_map_bio(fs_info, bio, 0); + ret = submit_compressed_bio(fs_info, cb, bio, 0); if (ret) goto finish_cb; @@ -557,18 +566,13 @@ blk_status_t btrfs_submit_compressed_write(struct btrfs_inode *inode, u64 start, cond_resched(); } - atomic_inc(&cb->pending_bios); - ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DATA); - if (ret) - goto last_bio; - if (!skip_sum) { ret = btrfs_csum_one_bio(inode, bio, start, 1); if (ret) goto last_bio; } - ret = btrfs_map_bio(fs_info, bio, 0); + ret = submit_compressed_bio(fs_info, cb, bio, 0); if (ret) goto last_bio; @@ -875,12 +879,6 @@ blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, if (submit || bio_add_page(comp_bio, page, pg_len, 0) < pg_len) { unsigned int nr_sectors; - atomic_inc(&cb->pending_bios); - ret = btrfs_bio_wq_end_io(fs_info, comp_bio, - BTRFS_WQ_ENDIO_DATA); - if (ret) - goto finish_cb; - ret = btrfs_lookup_bio_sums(inode, comp_bio, sums); if (ret) goto finish_cb; @@ -889,7 +887,7 @@ blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, fs_info->sectorsize); sums += fs_info->csum_size * nr_sectors; - ret = btrfs_map_bio(fs_info, comp_bio, mirror_num); + ret = submit_compressed_bio(fs_info, cb, comp_bio, mirror_num); if (ret) goto finish_cb; @@ -904,16 +902,11 @@ blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, cur_disk_byte += pg_len; } - atomic_inc(&cb->pending_bios); - ret = btrfs_bio_wq_end_io(fs_info, comp_bio, BTRFS_WQ_ENDIO_DATA); - if (ret) - goto last_bio; - ret = btrfs_lookup_bio_sums(inode, comp_bio, sums); if (ret) goto last_bio; - ret = btrfs_map_bio(fs_info, comp_bio, mirror_num); + ret = submit_compressed_bio(fs_info, cb, comp_bio, mirror_num); if (ret) goto last_bio; -- 2.33.0