Messages in this thread | | | Date | Thu, 6 May 2004 15:17:31 +0200 | From | Jörn Engel <> | Subject | [ANNOUNCEMENT PATCH COW] proof of concept impementation of cowlinks |
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Couldn't sleep last night and finished a first complete version of cowlinks, code-named MAD COW. It is still based on the stupid old design with a flag to distinguish between regular hard links and cowlinks. Please don't comment on that design, it's just a proof of concept.
Patches are against 2.6.5 but most things should apply to other 2.6 kernel without too much trouble.
1 generic_sendpage - allow sendfile with ext[23] files as target 2 sendfile - introduce vfs_sendfile for in-kernel use 3 copyfile - new copyfile() system call 4 lock_flags - old cruft, just ignore it 5 madcow - the MAD COW itself
Patches 1-3 will stay, 4 will be remove and 5 replaced by a better design over time. I've also set up a webpage for it: http://wohnheim.fh-wedel.de/~joern/cowlink/
Maybe that should be converted into a wiki so someone with better taste than myself can improve it.
Jörn
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