Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753662AbcD1VRa (ORCPT ); Thu, 28 Apr 2016 17:17:30 -0400 Received: from mga01.intel.com ([192.55.52.88]:15162 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753463AbcD1VR1 (ORCPT ); Thu, 28 Apr 2016 17:17:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,548,1455004800"; d="scan'208";a="942415597" From: Vishal Verma To: linux-nvdimm@ml01.01.org Cc: Vishal Verma , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, xfs@oss.sgi.com, linux-ext4@vger.kernel.org, linux-mm@kvack.org, Matthew Wilcox , Ross Zwisler , Dan Williams , Dave Chinner , Jan Kara , Jens Axboe , Al Viro , Andrew Morton , linux-kernel@vger.kernel.org, Christoph Hellwig , Jeff Moyer , "Kirill A. Shutemov" Subject: [PATCH v4 7/7] dax: fix a comment in dax_zero_page_range and dax_truncate_page Date: Thu, 28 Apr 2016 15:16:58 -0600 Message-Id: <1461878218-3844-8-git-send-email-vishal.l.verma@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1461878218-3844-1-git-send-email-vishal.l.verma@intel.com> References: <1461878218-3844-1-git-send-email-vishal.l.verma@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1934 Lines: 47 The distinction between PAGE_SIZE and PAGE_CACHE_SIZE was removed in 09cbfea mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros The comments for the above functions described a distinction between those, that is now redundant, so remove those paragraphs Cc: Matthew Wilcox Cc: Kirill A. Shutemov Signed-off-by: Vishal Verma --- fs/dax.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index d8c974e..b8fa85a 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1221,12 +1221,6 @@ static bool dax_range_is_aligned(struct block_device *bdev, * page in a DAX file. This is intended for hole-punch operations. If * you are truncating a file, the helper function dax_truncate_page() may be * more convenient. - * - * We work in terms of PAGE_SIZE here for commonality with - * block_truncate_page(), but we could go down to PAGE_SIZE if the filesystem - * took care of disposing of the unnecessary blocks. Even if the filesystem - * block size is smaller than PAGE_SIZE, we have to zero the rest of the page - * since the file might be mmapped. */ int dax_zero_page_range(struct inode *inode, loff_t from, unsigned length, get_block_t get_block) @@ -1279,12 +1273,6 @@ EXPORT_SYMBOL_GPL(dax_zero_page_range); * * Similar to block_truncate_page(), this function can be called by a * filesystem when it is truncating a DAX file to handle the partial page. - * - * We work in terms of PAGE_SIZE here for commonality with - * block_truncate_page(), but we could go down to PAGE_SIZE if the filesystem - * took care of disposing of the unnecessary blocks. Even if the filesystem - * block size is smaller than PAGE_SIZE, we have to zero the rest of the page - * since the file might be mmapped. */ int dax_truncate_page(struct inode *inode, loff_t from, get_block_t get_block) { -- 2.5.5