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 X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAF84C433ED for ; Wed, 5 May 2021 17:56:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78E99613F1 for ; Wed, 5 May 2021 17:56:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234638AbhEER5Y (ORCPT ); Wed, 5 May 2021 13:57:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234590AbhEER5G (ORCPT ); Wed, 5 May 2021 13:57:06 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71CA5C026CFA; Wed, 5 May 2021 10:27:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=D3JLwlfjudky2TibCuSNjrwbS1szpj7UX+LJHAHL9eg=; b=ptPEvu6a/VQZxlgOXBUzbeWrmJ eWvl67Mf8Q+jAR1BJPSdlfVQe5P+dm6Bogr1uP24gUbEa1b42Wv9A1+a2MFArcf4pVpSJzpoSULBr ypZFue9Ph/NI3j8B99MM/qgfYzNJyVGMUSeF/odjTHi8WAR6+slnjZV6JECMVDLu4ezsGTORVhYiC D1yavSujVXknA2K2e35+RjRE2DGT9Tz8E2dqG4mo0GwHeIpE6kS5gMnBc6OiukOJHeWqgULqBDCH2 v8t9v9lgbJY3z/a9eqeTHGU7to9RKg4leSAYI3nb7Xgt6Zirb+qwiEKYjbepEiqh4y8i7erXQhZvf skvfsetw==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1leLFO-000dwN-Fp; Wed, 05 May 2021 17:24:25 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org Subject: [PATCH v9 89/96] iomap: Convert bio completions to use folios Date: Wed, 5 May 2021 16:06:21 +0100 Message-Id: <20210505150628.111735-90-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210505150628.111735-1-willy@infradead.org> References: <20210505150628.111735-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use bio_for_each_folio() to iterate over each folio in the bio instead of iterating over each page. Signed-off-by: Matthew Wilcox (Oracle) --- fs/iomap/buffered-io.c | 46 +++++++++++++++++------------------------- 1 file changed, 18 insertions(+), 28 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index b61fc7da3d65..354d91bc92c5 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -161,36 +161,29 @@ static void iomap_set_range_uptodate(struct folio *folio, folio_mark_uptodate(folio); } -static void -iomap_read_page_end_io(struct bio_vec *bvec, int error) +static void iomap_finish_folio_read(struct folio *folio, size_t offset, + size_t len, int error) { - struct page *page = bvec->bv_page; - struct folio *folio = page_folio(page); struct iomap_page *iop = to_iomap_page(folio); if (unlikely(error)) { folio_clear_uptodate_flag(folio); folio_set_error_flag(folio); } else { - size_t off = (page - &folio->page) * PAGE_SIZE + - bvec->bv_offset; - - iomap_set_range_uptodate(folio, iop, off, bvec->bv_len); + iomap_set_range_uptodate(folio, iop, offset, len); } - if (!iop || atomic_sub_and_test(bvec->bv_len, &iop->read_bytes_pending)) + if (!iop || atomic_sub_and_test(len, &iop->read_bytes_pending)) folio_unlock(folio); } -static void -iomap_read_end_io(struct bio *bio) +static void iomap_read_end_io(struct bio *bio) { int error = blk_status_to_errno(bio->bi_status); - struct bio_vec *bvec; - struct bvec_iter_all iter_all; + struct folio_iter fi; - bio_for_each_segment_all(bvec, bio, iter_all) - iomap_read_page_end_io(bvec, error); + bio_for_each_folio_all(fi, bio) + iomap_finish_folio_read(fi.folio, fi.offset, fi.length, error); bio_put(bio); } @@ -1044,23 +1037,21 @@ 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_page_writeback(struct inode *inode, struct page *page, - int error, unsigned int len) +static void iomap_finish_folio_write(struct inode *inode, struct folio *folio, + size_t len, int error) { - struct folio *folio = page_folio(page); struct iomap_page *iop = to_iomap_page(folio); if (error) { - SetPageError(page); + folio_set_error_flag(folio); mapping_set_error(inode->i_mapping, -EIO); } - WARN_ON_ONCE(i_blocks_per_page(inode, page) > 1 && !iop); + WARN_ON_ONCE(i_blocks_per_folio(inode, folio) > 1 && !iop); WARN_ON_ONCE(iop && atomic_read(&iop->write_bytes_pending) <= 0); if (!iop || atomic_sub_and_test(len, &iop->write_bytes_pending)) - end_page_writeback(page); + folio_end_writeback(folio); } /* @@ -1079,8 +1070,7 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error) bool quiet = bio_flagged(bio, BIO_QUIET); for (bio = &ioend->io_inline_bio; bio; bio = next) { - struct bio_vec *bv; - struct bvec_iter_all iter_all; + struct folio_iter fi; /* * For the last bio, bi_private points to the ioend, so we @@ -1091,10 +1081,10 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error) else next = bio->bi_private; - /* walk each page on bio, ending page IO on them */ - bio_for_each_segment_all(bv, bio, iter_all) - iomap_finish_page_writeback(inode, bv->bv_page, error, - bv->bv_len); + /* 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); bio_put(bio); } /* The ioend has been freed by bio_put() */ -- 2.30.2