Re: Recent kernel "mount" slow

Jens Axboe
2012-11-23T13:25:30Z

On 2012-11-22 20:21, Linus Torvalds wrote:
> Doesn't sound like a fsdevel issue since it seems to be independent of
> filesystems. More like some generic block layer thing. Adding Jens
> (and quoting the whole thing)
>
> Jens, any ideas? Most of your stuff came in after -rc2, which would
> fit with the fact that most of the slowdown seems to be after -rc2
> according to Jeff.

No ideas. Looking at what went in from my side, only the rq plug sorting
is a core change, and that should not cause any change in behaviour for
a single device. That's commit 975927b9.

> Jeff, more bisecting would be good, though.

Probably required, yes...

--
Jens Axboe