From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Taysom Date: Thu, 11 May 2006 14:40:46 -0600 Subject: [Ocfs2-devel] OCFS2 features RFC In-Reply-To: <446398D3.7010508@suse.com> References: <20060425183553.GB10524@ca-server1.us.oracle.com> <446398D3.7010508@suse.com> Message-ID: <44634CAB.C8CD.0002.0@novell.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com What make the online file system resize tricky is updating all the allocation chains. The last block of each of the existing chains needs to be updated to point to the new blocks in the chains. Would it be possible to get rid of chains and just compute the next block in the chain? Paul >>Online file system resize >This would be nice, and I think easily done in the same manner ext3 >does. Anything outside the file system's current view of the block >device can be initialized in userspace, and the last block group, >bitmaps, and superblock would be adjusted by an ioctl in kernelspace. >>> Jeff Mahoney 05/11/06 2:04 pm >>>