Presumably you used tun2fs or simply fstab to ensure your ext3 mounts remain stable with data=ordered after the kernel in question (was it 2.6.30 or 2.6.31?), right?
What'd be interesting to see would be how the distributions have handled it, since. Did they go with the new ext3 data=writeback default, or have they either reverted either that commit or now default their userspace to specify data=ordered by default?
I know at least one guy who was complaining of ext3 instability after installing a new kernel due to that, that went away when he returned to data=ordered for his ext3 volumes. The context of that discussion was the pan (nntp client) user list, IIRC.
Me, I've been on reiserfs for years on both my main system and (more recently) my netbook, and have been extremely happy with it since data=ordered became its default (2.6.6 according to a google hit on another LWN comment of mine). My most recent experience with extX is on no-journal ext4 formatted USB flash-based thumbdrives, where journaling isn't a good idea. I've been following btrfs with interest, and expect I'll upgrade to it once a few more of the kinks get worked out. (I've seen hints that the current 2.6.35 cycle will reduce the strength of the warning for its kernel config item, but I don't follow the btrfs list or lkml, and any detail of even plans has been harder to come by on the broader community sites such as LWN, HO, LXer, etc, that I follow.)
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