From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marco Stornelli Subject: [PATCH 09/21] bfs: drop vmtruncate Date: Sat, 15 Dec 2012 11:52:33 +0100 Message-ID: <50CC5671.9030207@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: "Tigran A. Aivazian" , linux-kernel@vger.kernel.org To: Linux FS Devel Return-path: Received: from mail-wg0-f46.google.com ([74.125.82.46]:40965 "EHLO mail-wg0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588Ab2LOK7X (ORCPT ); Sat, 15 Dec 2012 05:59:23 -0500 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Removed vmtruncate Signed-off-by: Marco Stornelli --- fs/bfs/file.c | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-) diff --git a/fs/bfs/file.c b/fs/bfs/file.c index f20e8a7..ad3ea14 100644 --- a/fs/bfs/file.c +++ b/fs/bfs/file.c @@ -161,6 +161,14 @@ static int bfs_readpage(struct file *file, struct page *page) return block_read_full_page(page, bfs_get_block); } +static void bfs_write_failed(struct address_space *mapping, loff_t to) +{ + struct inode *inode = mapping->host; + + if (to > inode->i_size) + truncate_pagecache(inode, to, inode->i_size); +} + static int bfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) @@ -169,11 +177,8 @@ static int bfs_write_begin(struct file *file, struct address_space *mapping, ret = block_write_begin(mapping, pos, len, flags, pagep, bfs_get_block); - if (unlikely(ret)) { - loff_t isize = mapping->host->i_size; - if (pos + len > isize) - vmtruncate(mapping->host, isize); - } + if (unlikely(ret)) + bfs_write_failed(mapping, pos + len); return ret; } -- 1.7.3.4