Re: ext3 file system

Hans Reiser
2003-12-18T10:41:20Z

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