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Date: Tue, 6 Nov 2007 09:40:56 -0800 From: Arjan van de Ven <arjan@...radead.org> To: Jan Kara <jack@...e.cz> Cc: linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: [RFC] [PATCH 3/3] Recursive mtime for ext3 On Tue, 6 Nov 2007 18:19:45 +0100 Jan Kara <jack@...e.cz> wrote: > Implement recursive mtime (rtime) feature for ext3. The feature works > as follows: In each directory we keep a flag EXT3_RTIME_FL > (modifiable by a user) whether rtime should be updated. In case a > directory or a file in it is modified and when the flag is set, > directory's rtime is updated, the flag is cleared, and we move to the > parent. If the flag is set there, we clear it, update rtime and > continue upwards upto the root of the filesystem. In case a regular > file or symlink is modified, we pick arbitrary of its parents > (actually the one that happens to be at the head of i_dentry list) > and start the rtime update algorith there. Ok since mtime (and rtime) are part of the inode and not the dentry... how do you deal with hardlinks? And with cases of files that have been unlinked? (ok the later is a wash obviously other than not crashing) -- If you want to reach me at my work email, use arjan@...ux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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