From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx176.postini.com [74.125.245.176]) by kanga.kvack.org (Postfix) with SMTP id DB2B16B007B for ; Thu, 25 Oct 2012 11:13:55 -0400 (EDT) From: Naoya Horiguchi Subject: [PATCH 3/3] ext3: introduce ext3_error_remove_page Date: Thu, 25 Oct 2012 11:12:49 -0400 Message-Id: <1351177969-893-4-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: owner-linux-mm@kvack.org List-ID: 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 What I suggested in the previous patch for ext4 is ditto with ext3, so do the same thing for ext3. Signed-off-by: Naoya Horiguchi --- fs/ext3/inode.c | 33 ++++++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-) diff --git v3.7-rc2.orig/fs/ext3/inode.c v3.7-rc2/fs/ext3/inode.c index 7e87e37..7f708bf 100644 --- v3.7-rc2.orig/fs/ext3/inode.c +++ v3.7-rc2/fs/ext3/inode.c @@ -1967,6 +1967,33 @@ static int ext3_journalled_set_page_dirty(struct page *page) return __set_page_dirty_nobuffers(page); } +static int ext3_error_remove_page(struct address_space *mapping, + struct page *page) +{ + struct inode *inode = mapping->host; + struct buffer_head *bh, *head; + ext3_fsblk_t block = 0; + + if (!PageDirty(page) || !page_has_buffers(page)) + goto remove_page; + + /* Lost data. Handle as critical fs error. */ + bh = head = page_buffers(page); + do { + if (buffer_dirty(bh)) { + block = bh->b_blocknr; + ext3_error(inode->i_sb, "ext3_error_remove_page", + "inode #%lu: block %lu: " + "Removing dirty pagecache page", + inode->i_ino, block); + } + bh = bh->b_this_page; + } while (bh != head); + +remove_page: + return generic_error_remove_page(mapping, page); +} + static const struct address_space_operations ext3_ordered_aops = { .readpage = ext3_readpage, .readpages = ext3_readpages, @@ -1979,7 +2006,7 @@ static const struct address_space_operations ext3_ordered_aops = { .direct_IO = ext3_direct_IO, .migratepage = buffer_migrate_page, .is_partially_uptodate = block_is_partially_uptodate, - .error_remove_page = generic_error_remove_page, + .error_remove_page = ext3_error_remove_page, }; static const struct address_space_operations ext3_writeback_aops = { @@ -1994,7 +2021,7 @@ static const struct address_space_operations ext3_writeback_aops = { .direct_IO = ext3_direct_IO, .migratepage = buffer_migrate_page, .is_partially_uptodate = block_is_partially_uptodate, - .error_remove_page = generic_error_remove_page, + .error_remove_page = ext3_error_remove_page, }; static const struct address_space_operations ext3_journalled_aops = { @@ -2008,7 +2035,7 @@ static const struct address_space_operations ext3_journalled_aops = { .invalidatepage = ext3_invalidatepage, .releasepage = ext3_releasepage, .is_partially_uptodate = block_is_partially_uptodate, - .error_remove_page = generic_error_remove_page, + .error_remove_page = ext3_error_remove_page, }; void ext3_set_aops(struct inode *inode) -- 1.7.11.7 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org