Stupid filesystem idea
Greg 'groggy' Lehey
grog at lemis.com
Tue Jun 28 22:43:28 CST 2005
On Monday, 27 June 2005 at 23:17:34 +0930, Glen Turner wrote:
> I'm looking at filesystems which do sequential read/write well for
> massive file transfers. I had the following stupid thought.
> Why not a stupidfs which directly maps a file onto disk blocks.
> filesystem_offset = file_offset + 4KB.
Because it's not a file system?
> Sure it could only contain zero or one files, but with LVM even that
> isn't as bad a limitation as it first appears for massive file
> transfers (where the partition usually only contains one file
You have this already. Just write directly to the partition. And
yes, the idea is frequently useful. I often write tar images to raw
> Interestingly if we reserve the first block then the metadata for
> the file/filesystem can be maintained. I think this solves a lot of
> POSIX compatibility problems.
If you have only one file in the partition, you don't need any
The virus contained in this message was not detected.
Finger grog at lemis.com for PGP public key.
See complete headers for address and phone numbers.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 187 bytes
Desc: not available
Url : http://www.linuxsa.org.au/pipermail/linuxsa/attachments/20050628/fbf2cc58/attachment.bin
More information about the linuxsa