From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: [PATCH v10 46/62] btrfs: Convert page cache to XArray Date: Thu, 29 Mar 2018 20:42:29 -0700 Message-ID: <20180330034245.10462-47-willy@infradead.org> References: <20180330034245.10462-1-willy@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=RA9awjneTTswMisnJ+N4eepMY4g55ke4c+c9Ep0RgRI=; b=Vq0I6EKaXASlJJZaaI6bxE+IOm NvS5V2OXgEP3i0nPEQ5ueUN8APsgIrVvou9GXJ02lEkPFQ9MwTU6uD54x7yo1zbWHlpTqrG1dmRXz ILXsEufSCoFf9Ki5fddchEBRWdAVKUa8543Vbq6wjgmlI8fzXDijCp2dyfzVJc9dQCHg=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To :MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=RA9awjneTTswMisnJ+N4eepMY4g55ke4c+c9Ep0RgRI=; b=fw76GRiufj4n0Ru3KXpHk632Kz ZcJO3THBW3X8Z/7JPXurmbtzJIYLj/6Tf3+yBv+28WbBKgKuM1iiBhjojbbAsrENOJYhZ+0jHopXK DkfgINQYdoc4PJMua+X8mIc+V7DEivuFILWfg2DfvZKH8oo/w9JXExj+IuKAd/xoBEIw=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=RA9awjneTTswMisnJ+N4eepMY4g55ke4c+c9Ep0RgRI=; b=SNGXigcjRAZcKhT0Y5cAoEyTa Zmpv7PyiWUEX7MO6YYqOJzb6AcbTVzsQPk0NbLmXOfPquAMrv4mZrZfa6WmDlkeGXF8PiF1BuLngD 2xhxGlU8u1n59UeCbc4OaqNrPhIRqrfJ4lWCUmPvYSFhE1DidiUKncAzq1XUyrwaYqZD83L4LYy1c VDPiUM3NaR+Hfbp0V0UH1rqNEmsE5Kmgid1Ex3Mxoemqdqzsb5EkMsR5luJFpNFaY7+tJbZAR50Wd ldp3MK++Y+S8nPNOehW0fpxEes/5aa3zeXap/FYVfAG7VHff8jvydq4K1qDewU4RQqPR6L/d8f+Su rkgOPiEhg==; In-Reply-To: <20180330034245.10462-1-willy@infradead.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Cc: linux-nilfs@vger.kernel.org, Jan Kara , Jeff Layton , Matthew Wilcox , James Simmons , Jaegeuk Kim , Andreas Dilger , Nicholas Piggin , linux-f2fs-devel@lists.sourceforge.net, Oleg Drokin , Ryusuke Konishi , Lukas Czerner , Ross Zwisler , Christoph Hellwig , Goldwyn Rodrigues , Mike Kravetz From: Matthew Wilcox Signed-off-by: Matthew Wilcox Acked-by: David Sterba --- fs/btrfs/compression.c | 4 +--- fs/btrfs/extent_io.c | 8 +++----- 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index ad330af89eef..c2286f436571 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -457,9 +457,7 @@ static noinline int add_ra_bio_pages(struct inode *inode, if (pg_index > end_index) break; - rcu_read_lock(); - page = radix_tree_lookup(&mapping->i_pages, pg_index); - rcu_read_unlock(); + page = xa_load(&mapping->i_pages, pg_index); if (page && !xa_is_value(page)) { misses++; if (misses > 4) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 8694f414dcdf..49a5cc5f79b5 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -5172,11 +5172,9 @@ void clear_extent_buffer_dirty(struct extent_buffer *eb) clear_page_dirty_for_io(page); xa_lock_irq(&page->mapping->i_pages); - if (!PageDirty(page)) { - radix_tree_tag_clear(&page->mapping->i_pages, - page_index(page), - PAGECACHE_TAG_DIRTY); - } + if (!PageDirty(page)) + __xa_clear_tag(&page->mapping->i_pages, + page_index(page), PAGECACHE_TAG_DIRTY); xa_unlock_irq(&page->mapping->i_pages); ClearPageError(page); unlock_page(page); -- 2.16.2 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot