Re: ext3 file system

[Hans Reiser]

Mike Fedyk wrote:

> On Wed, Dec 17, 2003 at 09:47:59PM -0700, jshankar wrote:
>  
>
> > Hello Hans,
> >
> >    
> >
> > > Filesystems don't usually wait on the IO to complete before submitting
> > > more IO in response to the next write() syscall.  They can do this by
> > > batching a whole bunch of operations into one committed transaction.
> > >
> > >      
> > Is there a timeout mechanism for batching operations.
At some point due to its age or size you decide the batch needs to commit.

> > What if certain 
> > operation
> > is done after the batch operation is executed. Does it mean that the new 
> > operation has to wait.
> >    
>
> You don't have to wait unless you run out of available non-dirty memory, or
> issue a call to sync to the disks.
>
>
>  


--
Hans


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