Re: Ext3 vs NTFS performance

Jörn Engel
2007-05-06T21:03:24Z

On Fri, 4 May 2007 10:46:10 +0100, Christoph Hellwig wrote:
>
> Which means the right place to fix this is samba. Samba just need
> to intersept lseek and pread/pwrite to never allocate sparse files
> but do the right thing instead. Now what the right thing would probably
> be a preallocate instead of writing zeroes, and we need to provide the
> infrastructure for them to do it, which is in progress currently.

Why do preallocate and not just truncate the file? If the write is a
single 0x00 somewhere beyond EOF, as appears to be the pattern, truncate
will do just as well if not better. And it is available now.

Jörn

--
Joern's library part 6: