From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mingming Cao Subject: Re: [PATCH 1/9] extents for ext4 Date: Thu, 10 Aug 2006 09:46:38 -0700 Message-ID: <44DB62EE.3050801@us.ibm.com> References: <1155172827.3161.80.camel@localhost.localdomain> <20060809233940.50162afb.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-fsdevel@vger.kernel.org, ext2-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Return-path: To: Andrew Morton In-Reply-To: <20060809233940.50162afb.akpm@osdl.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ext2-devel-bounces@lists.sourceforge.net Errors-To: ext2-devel-bounces@lists.sourceforge.net List-Id: linux-fsdevel.vger.kernel.org Andrew Morton wrote: > On Wed, 09 Aug 2006 18:20:26 -0700 > Mingming Cao wrote: > > >>Add extent map support to ext4. Patch from Alex Tomas. >> >>On disk extents format: >>/* >> * this is extent on-disk structure >> * it's used at the bottom of the tree >> */ >>struct ext3_extent { >> __le32 ee_block; /* first logical block extent covers */ >> __le16 ee_len; /* number of blocks covered by extent */ >> __le16 ee_start_hi; /* high 16 bits of physical block */ >> __le32 ee_start; /* low 32 bigs of physical block */ >>}; >> > > >>>From a quick scan: > > - There are several places which appear to be putting block numbers into > an `int'. > This is fixed in [PATCH 4/9] 48bit support in extents, where we converted those "int" type block numbers to ext4_fsblk_t (which is typedefined as sector_t to support 48bit) Thanks, Mingming ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642