Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946193Ab2JYPOF (ORCPT ); Thu, 25 Oct 2012 11:14:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36747 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946030Ab2JYPN7 (ORCPT ); Thu, 25 Oct 2012 11:13:59 -0400 From: Naoya Horiguchi To: Andi Kleen , Tony Luck Cc: Wu Fengguang , Andrew Morton , Jan Kara , "Jun'ichi Nomura" , Akira Fujita , Naoya Horiguchi , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-ext4@vger.kernel.org Subject: [PATCH 1/3] mm: print out information of file affected by memory error Date: Thu, 25 Oct 2012 11:12:47 -0400 Message-Id: <1351177969-893-2-git-send-email-n-horiguchi@ah.jp.nec.com> In-Reply-To: <1351177969-893-1-git-send-email-n-horiguchi@ah.jp.nec.com> References: <1351177969-893-1-git-send-email-n-horiguchi@ah.jp.nec.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1437 Lines: 43 Printing out the information about which file can be affected by a memory error in generic_error_remove_page() is helpful for user to estimate the impact of the error. Signed-off-by: Naoya Horiguchi --- mm/truncate.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git v3.7-rc2.orig/mm/truncate.c v3.7-rc2/mm/truncate.c index d51ce92..df0c6ab7 100644 --- v3.7-rc2.orig/mm/truncate.c +++ v3.7-rc2/mm/truncate.c @@ -151,14 +151,20 @@ int truncate_inode_page(struct address_space *mapping, struct page *page) */ int generic_error_remove_page(struct address_space *mapping, struct page *page) { + int ret; + struct inode *inode = mapping->host; + if (!mapping) return -EINVAL; /* * Only punch for normal data pages for now. * Handling other types like directories would need more auditing. */ - if (!S_ISREG(mapping->host->i_mode)) + if (!S_ISREG(inode->i_mode)) return -EIO; + pr_info("MCE %#lx: file info pgoff:%lu, inode:%lu, dev:%s\n", + page_to_pfn(page), page_index(page), + inode->i_ino, inode->i_sb->s_id); return truncate_inode_page(mapping, page); } EXPORT_SYMBOL(generic_error_remove_page); -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/