From patchwork Fri Nov 29 05:50:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 13888419 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC9361547FF; Fri, 29 Nov 2024 05:51:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732859473; cv=none; b=A2NA0R9fxDbBhAwaxO969jF6/Bf4vEvAQx3CzqoZxi7LuhBYFVClFrWkucwiU24SfRat0H1yC13ZVtSPDEfSzGQOuSzTmiQoRFR0y4RdpH9ck49l9Uz3dSwXqwa1dLOcQJT1muv5Y+lOhDXABrjLoJacPitXXdUn/Db0q+8YEyQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732859473; c=relaxed/simple; bh=aDtdq9caWDRhpliU4N7JPTCsamZ1q2ke8PI42WXds1U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j/oqaJqo45dSe4UKeCnQbN/fFN/nDq2EIHThg/BawM2dKbiOYoY/7TpLdkJJrD44Owg1gg4fapj+O+YMARlzwuzuelPTWU5sUQ7iU/tn6R/GVnsnsGo+CMoBjfaf3VFCd0HTh87s9eYojgwC6dT14LPV1YZ7syeQ35rk4EX5z2k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=oWoqSeft; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="oWoqSeft" 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=uWZkCEwwYb4dP6PPOM0IVSKbmg2RK8kTAbzH0C95S7g=; b=oWoqSeftByZWcIP+U4SR7tF/Hj XzSBb/cuP1d6VK7vaVo+f5fJOsOLTcPIhSxrFPtdTSWF7iaj7wQ8y+HGYAC+vrUXLOAPLBMs46Qou OJoBE/zIoQZt1MyvokLyo5RMolw+dsWbg+wlk40MNi/fotKEov4TsAux9GP40CZZJXyWlZcMbDWgA 6VkLHQK83TxiKxKt1Z851FbqCZQwi8C+4c2Hk9Y+B3w+GTWB7VluBXvkUBWIbZcztNaKxANqxRVEU jO0501MqHamEW6FX5DryhFuP5zqE5JW6jzPLOhfPHhKoV0M2KNRYMmBb2lu98guIS8xCh76dz+2Rz Qt6Ye+OA==; Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tGtu9-00000003bSE-1mXv; Fri, 29 Nov 2024 05:51:01 +0000 From: "Matthew Wilcox (Oracle)" To: Ilya Dryomov Cc: "Matthew Wilcox (Oracle)" , Xiubo Li , ceph-devel@vger.kernel.org, Jeff Layton , linux-fsdevel@vger.kernel.org, David Howells Subject: [PATCH 4/5] ceph: Use a folio throughout writepage_nounlock() Date: Fri, 29 Nov 2024 05:50:55 +0000 Message-ID: <20241129055058.858940-5-willy@infradead.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241129055058.858940-1-willy@infradead.org> References: <20241129055058.858940-1-willy@infradead.org> Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Remove references to page->index, page->mapping, thp_size(), page_offset() and other page APIs in favour of their more efficient folio replacements. Signed-off-by: Matthew Wilcox (Oracle) --- fs/ceph/addr.c | 50 +++++++++++++++++++++++++------------------------- 1 file changed, 25 insertions(+), 25 deletions(-) diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index a5c59fec8a76..aba8d55bd533 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -664,14 +664,14 @@ static u64 get_writepages_data_length(struct inode *inode, static int writepage_nounlock(struct page *page, struct writeback_control *wbc) { struct folio *folio = page_folio(page); - struct inode *inode = page->mapping->host; + struct inode *inode = folio->mapping->host; struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_fs_client *fsc = ceph_inode_to_fs_client(inode); struct ceph_client *cl = fsc->client; struct ceph_snap_context *snapc, *oldest; - loff_t page_off = page_offset(page); + loff_t page_off = folio_pos(folio); int err; - loff_t len = thp_size(page); + loff_t len = folio_size(folio); loff_t wlen; struct ceph_writeback_ctl ceph_wbc; struct ceph_osd_client *osdc = &fsc->client->osdc; @@ -679,8 +679,8 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) bool caching = ceph_is_cache_enabled(inode); struct page *bounce_page = NULL; - doutc(cl, "%llx.%llx page %p idx %lu\n", ceph_vinop(inode), page, - page->index); + doutc(cl, "%llx.%llx folio %p idx %lu\n", ceph_vinop(inode), folio, + folio->index); if (ceph_inode_is_shutdown(inode)) return -EIO; @@ -688,18 +688,18 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) /* verify this is a writeable snap context */ snapc = page_snap_context(page); if (!snapc) { - doutc(cl, "%llx.%llx page %p not dirty?\n", ceph_vinop(inode), - page); + doutc(cl, "%llx.%llx folio %p not dirty?\n", ceph_vinop(inode), + folio); return 0; } oldest = get_oldest_context(inode, &ceph_wbc, snapc); if (snapc->seq > oldest->seq) { - doutc(cl, "%llx.%llx page %p snapc %p not writeable - noop\n", - ceph_vinop(inode), page, snapc); + doutc(cl, "%llx.%llx folio %p snapc %p not writeable - noop\n", + ceph_vinop(inode), folio, snapc); /* we should only noop if called by kswapd */ WARN_ON(!(current->flags & PF_MEMALLOC)); ceph_put_snap_context(oldest); - redirty_page_for_writepage(wbc, page); + folio_redirty_for_writepage(wbc, folio); return 0; } ceph_put_snap_context(oldest); @@ -716,8 +716,8 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) len = ceph_wbc.i_size - page_off; wlen = IS_ENCRYPTED(inode) ? round_up(len, CEPH_FSCRYPT_BLOCK_SIZE) : len; - doutc(cl, "%llx.%llx page %p index %lu on %llu~%llu snapc %p seq %lld\n", - ceph_vinop(inode), page, page->index, page_off, wlen, snapc, + doutc(cl, "%llx.%llx folio %p index %lu on %llu~%llu snapc %p seq %lld\n", + ceph_vinop(inode), folio, folio->index, page_off, wlen, snapc, snapc->seq); if (atomic_long_inc_return(&fsc->writeback_count) > @@ -730,14 +730,14 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) ceph_wbc.truncate_seq, ceph_wbc.truncate_size, true); if (IS_ERR(req)) { - redirty_page_for_writepage(wbc, page); + folio_redirty_for_writepage(wbc, folio); return PTR_ERR(req); } if (wlen < len) len = wlen; - set_page_writeback(page); + folio_start_writeback(folio); if (caching) ceph_set_page_fscache(page); ceph_fscache_write_to_cache(inode, page_off, len, caching); @@ -747,15 +747,15 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) CEPH_FSCRYPT_BLOCK_SIZE, 0, GFP_NOFS); if (IS_ERR(bounce_page)) { - redirty_page_for_writepage(wbc, page); - end_page_writeback(page); + folio_redirty_for_writepage(wbc, folio); + folio_end_writeback(folio); ceph_osdc_put_request(req); return PTR_ERR(bounce_page); } } /* it may be a short write due to an object boundary */ - WARN_ON_ONCE(len > thp_size(page)); + WARN_ON_ONCE(len > folio_size(folio)); osd_req_op_extent_osd_data_pages(req, 0, bounce_page ? &bounce_page : &page, wlen, 0, false, false); @@ -781,25 +781,25 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) if (err == -ERESTARTSYS) { /* killed by SIGKILL */ doutc(cl, "%llx.%llx interrupted page %p\n", - ceph_vinop(inode), page); - redirty_page_for_writepage(wbc, page); - end_page_writeback(page); + ceph_vinop(inode), folio); + folio_redirty_for_writepage(wbc, folio); + folio_end_writeback(folio); return err; } if (err == -EBLOCKLISTED) fsc->blocklisted = true; - doutc(cl, "%llx.%llx setting page/mapping error %d %p\n", - ceph_vinop(inode), err, page); + doutc(cl, "%llx.%llx setting mapping error %d %p\n", + ceph_vinop(inode), err, folio); mapping_set_error(&inode->i_data, err); wbc->pages_skipped++; } else { doutc(cl, "%llx.%llx cleaned page %p\n", - ceph_vinop(inode), page); + ceph_vinop(inode), folio); err = 0; /* vfs expects us to return 0 */ } - oldest = detach_page_private(page); + oldest = folio_detach_private(folio); WARN_ON_ONCE(oldest != snapc); - end_page_writeback(page); + folio_end_writeback(folio); ceph_put_wrbuffer_cap_refs(ci, 1, snapc); ceph_put_snap_context(snapc); /* page's reference */