gjournal panic 7.0-RC1

[Ivan Voras]

Gary Palmer wrote:
> On Sun, Feb 03, 2008 at 09:35:44PM +0100, Ivan Voras wrote:

>> If so, this is the same class of errors as ZFS (some would call it 
>> "tuning errors"), only this time the space reserved for the on-disk 
>> journal is too small, and the fast drives fill it up before data can be 
>> transfered from the journal to the data area.
> 
> Is there something stopping gjournal from temporarily blocking writes
> to the journal to allow it to flush the journaled data to the provider?

I've done something like that in the past, but I don't know if Pawel's 
gjournal has this implemented.

I feel that a good solution could be to somehow pause the file system at 
the VFS layer not to generate requests that would result in IO writes - 
this could (in theory...) help with ZFS.

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