* Re: ext2/ext3 question ?
2001-12-27 22:48 ext2/ext3 question ? snpe
@ 2001-12-27 18:00 ` Andreas Dilger
0 siblings, 0 replies; 2+ messages in thread
From: Andreas Dilger @ 2001-12-27 18:00 UTC (permalink / raw)
To: snpe; +Cc: linux-kernel
On Dec 27, 2001 23:48 +0100, snpe wrote:
> Hello,
> I set S flag with chattr for any file.
> Is file really async write (without buffer cache) ?
No, see chattr man page: S = synchronous updates. It doesn't say anything
about not using the buffer cache. You need to use O_DIRECT for that.
> Is it same raw devices and if not, what is different ?
Totally unrelated. It means that each I/O is waited on by the kernel
before it returns to user space.
Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/
^ permalink raw reply [flat|nested] 2+ messages in thread
* ext2/ext3 question ?
@ 2001-12-27 22:48 snpe
2001-12-27 18:00 ` Andreas Dilger
0 siblings, 1 reply; 2+ messages in thread
From: snpe @ 2001-12-27 22:48 UTC (permalink / raw)
To: linux-kernel
Hello,
I set S flag with chattr for any file.
Is file really async write (without buffer cache) ?
Is it same raw devices and if not, what is different ?
regards ,
haris peco
^ permalink raw reply [flat|nested] 2+ messages in thread
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2001-12-27 22:48 ext2/ext3 question ? snpe
2001-12-27 18:00 ` Andreas Dilger
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