Re: about TRIM/DISCARD support and barriers

[Theodore Tso]

On Sun, Nov 23, 2008 at 01:39:44PM +0000, David Woodhouse wrote:
> On Sun, 2008-11-23 at 05:35 -0700, Matthew Wilcox wrote:
> > The current VFAT filesystem implements DISCARD. 
> 
> As does btrfs. I think I posted ext2 patches a little while ago too? Or
> someone else did. Did they get merged?

Looks like they didn't get merged.  I thought akpm was going to merge
them.  Ext4 has discard support though.  It doesn't port easily to
ext3 since it ext4 has a new block allocator.

					- Ted
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