Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754553AbYAXF30 (ORCPT ); Thu, 24 Jan 2008 00:29:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752382AbYAXF3R (ORCPT ); Thu, 24 Jan 2008 00:29:17 -0500 Received: from e28smtp02.in.ibm.com ([59.145.155.2]:45569 "EHLO e28esmtp02.in.ibm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752175AbYAXF3Q (ORCPT ); Thu, 24 Jan 2008 00:29:16 -0500 Date: Thu, 24 Jan 2008 10:59:07 +0530 From: "Aneesh Kumar K.V" To: Andrew Morton Cc: "Theodore Ts'o" , linux-kernel@vger.kernel.org, Andy Whitcroft , "linux-ext4@vger.kernel.org" Subject: Re: [PATCH 30/49] ext4: Convert truncate_mutex to read write semaphore. Message-ID: <20080124052907.GB7902@skywalker> References: <1200970948-17903-23-git-send-email-tytso@mit.edu> <1200970948-17903-24-git-send-email-tytso@mit.edu> <1200970948-17903-25-git-send-email-tytso@mit.edu> <1200970948-17903-26-git-send-email-tytso@mit.edu> <1200970948-17903-27-git-send-email-tytso@mit.edu> <1200970948-17903-28-git-send-email-tytso@mit.edu> <1200970948-17903-29-git-send-email-tytso@mit.edu> <1200970948-17903-30-git-send-email-tytso@mit.edu> <1200970948-17903-31-git-send-email-tytso@mit.edu> <20080123140659.5b70ae6b.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080123140659.5b70ae6b.akpm@linux-foundation.org> User-Agent: Mutt/1.5.17 (2007-12-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1575 Lines: 48 On Wed, Jan 23, 2008 at 02:06:59PM -0800, Andrew Morton wrote: > > On Mon, 21 Jan 2008 22:02:09 -0500 "Theodore Ts'o" wrote: > > +int ext4_get_blocks_wrap(handle_t *handle, struct inode *inode, sector_t block, > > + unsigned long max_blocks, struct buffer_head *bh, > > + int create, int extend_disksize) > > +{ > > + int retval; > > + if (create) { > > + down_write((&EXT4_I(inode)->i_data_sem)); > > + } else { > > + down_read((&EXT4_I(inode)->i_data_sem)); > > + } > > + if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) { > > + retval = ext4_ext_get_blocks(handle, inode, block, max_blocks, > > + bh, create, extend_disksize); > > + } else { > > + retval = ext4_get_blocks_handle(handle, inode, block, > > + max_blocks, bh, create, extend_disksize); > > + } > > + if (create) { > > + up_write((&EXT4_I(inode)->i_data_sem)); > > + } else { > > + up_read((&EXT4_I(inode)->i_data_sem)); > > + } > > This function has many unneeded braces. checkpatch used to detect this > but it seems to have broken. The follow up patch "ext4: Take read lock during overwrite case" removes those single line if statement. > > > + return retval; > > +} > > static int ext4_get_block(struct inode *inode, sector_t iblock, > > struct buffer_head *bh_result, int create) > > Mising newline. Fixed. -aneesh -- 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/