Messages in this thread | | | Date | Wed, 23 Mar 2022 23:34:09 -0700 | From | Christoph Hellwig <> | Subject | Re: [RFC PATCH] getvalues(2) prototype |
| |
On Wed, Mar 23, 2022 at 06:19:51PM -0400, Theodore Ts'o wrote: > I'm still a bit puzzled about the reason for getvalues(2) beyond, > "reduce the number of system calls". Is this a performance argument? > If so, have you benchmarked lsof using this new interface?
Yeah. Even if open + read + close is a bnottle neck for fuse or network file systems I think a io_uring op for just that is a much better choice instead of this crazy multi-value operation.
And even on that I need to be sold first.
| |