On Fri, 2007-08-10 at 07:26 -0700, Vlad wrote:
> Linus Torvalds wrote:
> Relatime seems to be wasteful of both IO resources _and_ CPU cycles.
> Instead of performing a single IO operation (as atime does), relatime
> performs at least three IO operations and three CPU-dependent
> operations:
>
> 1) a read IO operation to find out the old atime
> 2) a read IO operation to find out the old ctime
> 3) a read IO operation to find out the old mtime
you've mistaken the concept of inode-in-memory... there is no IO
involved in any of these.
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