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=ham 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 3D9FCC43462 for ; Thu, 15 Apr 2021 05:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 26D576101D for ; Thu, 15 Apr 2021 05:05:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230172AbhDOFGA (ORCPT ); Thu, 15 Apr 2021 01:06:00 -0400 Received: from mx2.suse.de ([195.135.220.15]:37766 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230163AbhDOFF7 (ORCPT ); Thu, 15 Apr 2021 01:05:59 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1618463136; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=A9BfZxSmc23Zn8Pomzblhlp/cnp7NEoJdfabvB0jGvU=; b=q1ZehjBmcvI0PEXyiru20OTl1g9IL7GxSi/s9Yp7hW+dWfTqtA+KtK0bCZeIsrRr2BwpzF lw4Fm2F4VRDWLNMuXLQXOSnPYjDyLGJ1DSvI7xnR3vLOBmISesyLb4lfxZ26eoaW3MVkRd 4Q8aoGUEPdgQpI3kdDZkjzi7EUTeyHc= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 1EFDCAF03 for ; Thu, 15 Apr 2021 05:05:36 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH 23/42] btrfs: make page Ordered bit to be subpage compatible Date: Thu, 15 Apr 2021 13:04:29 +0800 Message-Id: <20210415050448.267306-24-wqu@suse.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210415050448.267306-1-wqu@suse.com> References: <20210415050448.267306-1-wqu@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This involves the following modication: - Ordered extent creation This is done in process_one_page(), now PAGE_SET_ORDERED will call subpage helper to do the work. - endio functions This is done in btrfs_mark_ordered_io_finished(). - btrfs_invalidatepage() Now the usage of page Ordered flag for ordered extent accounting is fully subpage compatible. Signed-off-by: Qu Wenruo --- fs/btrfs/extent_io.c | 2 +- fs/btrfs/inode.c | 14 ++++++++++---- fs/btrfs/ordered-data.c | 5 +++-- 3 files changed, 14 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 876b7f655df7..cc73fd3c840c 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1824,7 +1824,7 @@ static int process_one_page(struct btrfs_fs_info *fs_info, len = end + 1 - start; if (page_ops & PAGE_SET_ORDERED) - SetPageOrdered(page); + btrfs_page_clamp_set_ordered(fs_info, page, start, len); if (page == locked_page) return 1; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 03f9139b391a..f366dc2fb1ff 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -51,6 +51,7 @@ #include "block-group.h" #include "space-info.h" #include "zoned.h" +#include "subpage.h" struct btrfs_iget_args { u64 ino; @@ -170,7 +171,8 @@ static inline void btrfs_cleanup_ordered_extents(struct btrfs_inode *inode, index++; if (!page) continue; - ClearPageOrdered(page); + btrfs_page_clear_ordered(inode->root->fs_info, page, + page_offset(page), PAGE_SIZE); put_page(page); } @@ -8320,12 +8322,13 @@ static void btrfs_invalidatepage(struct page *page, unsigned int offset, unsigned int length) { struct btrfs_inode *inode = BTRFS_I(page->mapping->host); + struct btrfs_fs_info *fs_info = inode->root->fs_info; struct extent_io_tree *tree = &inode->io_tree; struct extent_state *cached_state = NULL; u64 page_start = page_offset(page); u64 page_end = page_start + PAGE_SIZE - 1; u64 cur; - u32 sectorsize = inode->root->fs_info->sectorsize; + u32 sectorsize = fs_info->sectorsize; int inode_evicting = inode->vfs_inode.i_state & I_FREEING; /* @@ -8356,6 +8359,7 @@ static void btrfs_invalidatepage(struct page *page, unsigned int offset, struct btrfs_ordered_extent *ordered; bool delete_states = false; u64 range_end; + u32 range_len; /* * Here we can't pass "file_offset = cur" and @@ -8382,7 +8386,9 @@ static void btrfs_invalidatepage(struct page *page, unsigned int offset, range_end = min(ordered->file_offset + ordered->num_bytes - 1, page_end); - if (!PageOrdered(page)) { + ASSERT(range_end + 1 - cur < U32_MAX); + range_len = range_end + 1 - cur; + if (!btrfs_page_test_ordered(fs_info, page, cur, range_len)) { /* * If Ordered (Private2) is cleared, it means endio has * already been executed for the range. @@ -8392,7 +8398,7 @@ static void btrfs_invalidatepage(struct page *page, unsigned int offset, delete_states = false; goto next; } - ClearPageOrdered(page); + btrfs_page_clear_ordered(fs_info, page, cur, range_len); /* * IO on this page will never be started, so we need to account diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 3e782145247e..03853e7494f7 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -16,6 +16,7 @@ #include "compression.h" #include "delalloc-space.h" #include "qgroup.h" +#include "subpage.h" static struct kmem_cache *btrfs_ordered_extent_cache; @@ -402,11 +403,11 @@ void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode, * * If no such bit, we need to skip to next range. */ - if (!PageOrdered(page)) { + if (!btrfs_page_test_ordered(fs_info, page, cur, len)) { cur += len; continue; } - ClearPageOrdered(page); + btrfs_page_clear_ordered(fs_info, page, cur, len); } /* Now we're fine to update the accounting */ -- 2.31.1