Re: Apparent serious progressive ext4 data corruption bug in 3.6.3 (and other stable branches?)

From: Nix
Date: Wed Oct 24 2012 - 07:46:37 EST


On 24 Oct 2012, Hugh Dickins verbalised:

> On Wed, 24 Oct 2012, Theodore Ts'o wrote:
>> Journal flushes outside of an unmount does
>> happen as part of online resizing, the FIBMAP ioctl, or when the file
>> system is frozen. But it didn't sound like Toralf or Nix was using
>> any of those features. (Toralf, Nix, please correct me if my
>> assumptions here is wrong).
>
> I believe it also happens at swapon of a swapfile on the filesystem.

I'm not using swapfiles, only swap partitions (on separate LVM LVs).
So that's not it either.

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