From patchwork Sun Nov 26 12:47:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13468841 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="K96gP7o6" Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 70EFB110; Sun, 26 Nov 2023 04:48:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=oRjyiZVRuzcHxCkVzphuZka5+x7mico/0jagFrAkKhs=; b=K96gP7o6ouxbZ6KDzthKDexzUG 7so1BBadANvi2QjfHUT2Dgi1lmR8QbK/vpvHgR60c+mftpcf+cQYI+IF5pX8rofmQUQJs2ZA1DcY9 G4PK/TUOKdD6NypB0rMZ4F0gn9Awk6SuLWVfWsLp0gXZJlXCH2e54x2m8OYOy/LYRXJN8WhamEIvC fWg00iWwUSqSbvNi1X7fUYjRIoxoyzZdVcBO1eZQCG59vl0IlCpUKcH1OBaBgmrp85HCs0Yg5/ISw yqgNTNZCo+S3rMo8c3OpnsKzHtWUuZGG1c10B8ADc9Fm1PH6eveqUuaOfz3ZUKYhncpGmXNjQL8Lo CzINmoBg==; Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1r7EYH-00BCRS-22; Sun, 26 Nov 2023 12:47:58 +0000 From: Christoph Hellwig To: Christian Brauner Cc: "Darrick J. Wong" , Chandan Babu R , Zhang Yi , Ritesh Harjani , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 10/13] iomap: only call mapping_set_error once for each failed bio Date: Sun, 26 Nov 2023 13:47:17 +0100 Message-Id: <20231126124720.1249310-11-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231126124720.1249310-1-hch@lst.de> References: <20231126124720.1249310-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Instead of clling mapping_set_error once per folio, only do that once per bio, and consolidate all the writeback error handling code in iomap_finish_ioend. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong --- fs/iomap/buffered-io.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 17760f3e67c61e..e1d5076251702d 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1464,15 +1464,10 @@ vm_fault_t iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops) EXPORT_SYMBOL_GPL(iomap_page_mkwrite); static void iomap_finish_folio_write(struct inode *inode, struct folio *folio, - size_t len, int error) + size_t len) { struct iomap_folio_state *ifs = folio->private; - if (error) { - folio_set_error(folio); - mapping_set_error(inode->i_mapping, error); - } - WARN_ON_ONCE(i_blocks_per_folio(inode, folio) > 1 && !ifs); WARN_ON_ONCE(ifs && atomic_read(&ifs->write_bytes_pending) <= 0); @@ -1493,18 +1488,24 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error) struct folio_iter fi; u32 folio_count = 0; + if (error) { + mapping_set_error(inode->i_mapping, error); + if (!bio_flagged(bio, BIO_QUIET)) { + pr_err_ratelimited( +"%s: writeback error on inode %lu, offset %lld, sector %llu", + inode->i_sb->s_id, inode->i_ino, + ioend->io_offset, ioend->io_sector); + } + } + /* walk all folios in bio, ending page IO on them */ bio_for_each_folio_all(fi, bio) { - iomap_finish_folio_write(inode, fi.folio, fi.length, error); + if (error) + folio_set_error(fi.folio); + iomap_finish_folio_write(inode, fi.folio, fi.length); folio_count++; } - if (unlikely(error && !bio_flagged(bio, BIO_QUIET))) { - printk_ratelimited(KERN_ERR -"%s: writeback error on inode %lu, offset %lld, sector %llu", - inode->i_sb->s_id, inode->i_ino, - ioend->io_offset, ioend->io_sector); - } bio_put(bio); /* frees the ioend */ return folio_count; }