From patchwork Mon Jul 19 18:39:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12386917 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,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 C14D5C6379F for ; Mon, 19 Jul 2021 22:23:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E64AC6120E for ; Mon, 19 Jul 2021 22:23:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1389461AbhGSVdp (ORCPT ); Mon, 19 Jul 2021 17:33:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382562AbhGSSH5 (ORCPT ); Mon, 19 Jul 2021 14:07:57 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F6E4C0617A7; Mon, 19 Jul 2021 11:34:41 -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=kKwIRh+f9wsPxETlTXIuMZIZvRf6jI5cu52KEL/0IJ8=; b=QSrCIFRG2r3pi9/+NP3OnfdbHl KxQzgCBEbrYNCzH67uM7WYfm7XWgcjsr4KOzKG9kEGlV1VpEijqVAp0saLueLtn2e5/j/n7MwWlJu Y0IyJkxTyL2qREci6sGWM0IJsO0RCJeTwv8Fpzf5KaKIgIGhNi6uenuaDQET2MHHbMj/gGuMshZbb 6JTI/gyB5MwrDts+5pZGxHyve9BqETH+xQ99aUus0zeJMS6uXY7dEqNP0GkkQeKdMas4tKGfkzqOm KV11f1fM/GgEAAOFiO6q70z1Wanjjqgyp3zxAVFA4Ky5vLG1Y3DnWLFOMbE/YUv36qfYUbKekEmYa RkT9rvsA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5YGS-007Lip-O5; Mon, 19 Jul 2021 18:45:40 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-block@vger.kernel.org, "Darrick J . Wong" Subject: [PATCH v15 08/17] iomap: Pass the iomap_page into iomap_set_range_uptodate Date: Mon, 19 Jul 2021 19:39:52 +0100 Message-Id: <20210719184001.1750630-9-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210719184001.1750630-1-willy@infradead.org> References: <20210719184001.1750630-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org All but one caller already has the iomap_page, and we can avoid getting it again. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Darrick J. Wong --- fs/iomap/buffered-io.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 0d7b6ef4c5cc..62d8ebcda429 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -134,11 +134,9 @@ iomap_adjust_read_range(struct inode *inode, struct iomap_page *iop, *lenp = plen; } -static void -iomap_iop_set_range_uptodate(struct page *page, unsigned off, unsigned len) +static void iomap_iop_set_range_uptodate(struct page *page, + struct iomap_page *iop, unsigned off, unsigned len) { - struct folio *folio = page_folio(page); - struct iomap_page *iop = to_iomap_page(folio); struct inode *inode = page->mapping->host; unsigned first = off >> inode->i_blkbits; unsigned last = (off + len - 1) >> inode->i_blkbits; @@ -151,14 +149,14 @@ iomap_iop_set_range_uptodate(struct page *page, unsigned off, unsigned len) spin_unlock_irqrestore(&iop->uptodate_lock, flags); } -static void -iomap_set_range_uptodate(struct page *page, unsigned off, unsigned len) +static void iomap_set_range_uptodate(struct page *page, + struct iomap_page *iop, unsigned off, unsigned len) { if (PageError(page)) return; - if (page_has_private(page)) - iomap_iop_set_range_uptodate(page, off, len); + if (iop) + iomap_iop_set_range_uptodate(page, iop, off, len); else SetPageUptodate(page); } @@ -174,7 +172,8 @@ iomap_read_page_end_io(struct bio_vec *bvec, int error) ClearPageUptodate(page); SetPageError(page); } else { - iomap_set_range_uptodate(page, bvec->bv_offset, bvec->bv_len); + iomap_set_range_uptodate(page, iop, bvec->bv_offset, + bvec->bv_len); } if (!iop || atomic_sub_and_test(bvec->bv_len, &iop->read_bytes_pending)) @@ -256,7 +255,7 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data, if (iomap_block_needs_zeroing(inode, iomap, pos)) { zero_user(page, poff, plen); - iomap_set_range_uptodate(page, poff, plen); + iomap_set_range_uptodate(page, iop, poff, plen); goto done; } @@ -585,7 +584,7 @@ __iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, int flags, if (status) return status; } - iomap_set_range_uptodate(page, poff, plen); + iomap_set_range_uptodate(page, iop, poff, plen); } while ((block_start += plen) < block_end); return 0; @@ -647,6 +646,8 @@ iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, unsigned flags, static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len, size_t copied, struct page *page) { + struct folio *folio = page_folio(page); + struct iomap_page *iop = to_iomap_page(folio); flush_dcache_page(page); /* @@ -662,7 +663,7 @@ static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len, */ if (unlikely(copied < len && !PageUptodate(page))) return 0; - iomap_set_range_uptodate(page, offset_in_page(pos), len); + iomap_set_range_uptodate(page, iop, offset_in_page(pos), len); __set_page_dirty_nobuffers(page); return copied; }