[lkml]   [2000]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: zero-copy TCP
Ingo Molnar ( wrote:
> yep i agree - in this case a receivefile() implementation would be handy
> (we are 100% ready in 2.4 to introduce it - from the pagecache and VFS
> point of view, it's just not there yet), thus you could receivefile() your
> data into a temporary file, and sendfile() it to the other card, without
> ever touching data. This is faster than any zero-copy read()/write(),
> because it can do things straight in the pagecache, without having to deal
> with user-space page mappings.

Interface-wise, what would be the difference between receivefile() and sendfile()?
Don't both just transfer data between two arbitrary file descriptors?
- Dan
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:38    [W:0.023 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site