From patchwork Thu Dec 7 07:27:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13482800 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Q8I2PfwF" Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97D241AD; Wed, 6 Dec 2023 23:27:49 -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=XZ1A7mD8eN8GtDAlmqm1J/SEKdB95CFncu1BUvWex9k=; b=Q8I2PfwFoXdUCEtw5I4k640hRN jWOp1aSuWJfWVZRY+MuPvJU40g9Hc3x1D8lPqwdJU13mwEO1i8/5V7iT92XGwyquXN/xbxZx2tVxC 1DHH7W54b2HRZeuYIuS9aib9llJJyObdVlRhRMoa4ndE0D4Pz88XAEBT+YAhJZyrx5qLPNRbXS6Mw WmzF6OGzajCoaDa6GKGXZT9q6rK+bIwhsWGXyJTfMaknTnfMZDO7KCMCDXFFjssdn4P9BSVypVWqV hqCDTCGZNALBQxYmK3Iemz03m4w8BeSNW6GOHhy8x717dy8UBv7ayHwtT7qb1bw+g9Dqqf0ml7oZu tZGKbqXg==; Received: from [2001:4bb8:191:e7ca:4bf6:cea4:9bbf:8b02] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1rB8nR-00C53U-02; Thu, 07 Dec 2023 07:27:45 +0000 From: Christoph Hellwig To: Christian Brauner Cc: "Darrick J. Wong" , Chandan Babu R , Zhang Yi , Ritesh Harjani , Jens Axboe , Andreas Gruenbacher , Damien Le Moal , Naohiro Aota , Johannes Thumshirn , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, gfs2@lists.linux.dev Subject: [PATCH 10/14] iomap: only call mapping_set_error once for each failed bio Date: Thu, 7 Dec 2023 08:27:06 +0100 Message-Id: <20231207072710.176093-11-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231207072710.176093-1-hch@lst.de> References: <20231207072710.176093-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-fsdevel@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 7ed11eca7c7c9e..21f5019c0fe762 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; }