svn commit: r346217 - in head/sys: fs/nfs fs/nfsclient kern sys

[Harry Schmalzbauer]

Am 15.04.2019 um 03:27 schrieb Rick Macklem:
> Author: rmacklem
> Date: Mon Apr 15 01:27:15 2019
> New Revision: 346217
> URL: https://svnweb.freebsd.org/changeset/base/346217
>
> Log:
>    Fix the NFSv4 client to safely find processes.
>    
>    r340744 broke the NFSv4 client, because it replaced pfind_locked() with a
>    call to pfind(), since pfind() acquires the sx lock for the pid hash and
>    the NFSv4 already holds a mutex when it does the call.
>    The patch fixes the problem by recreating a pfind_any_locked() and adding the
>    functions pidhash_slockall() and pidhash_sunlockall to acquire/release
>    all of the pid hash locks.
>    These functions are then used by the NFSv4 client instead of acquiring
>    the allproc_lock and calling pfind().
>    
>    Reviewed by:	kib, mjg
>    MFC after:	2 weeks

Hello, I guess as long as r340744 isn't MFCd, this commit isn't needed 
in /stable/, is it?

Any plans to MFC 
https://svnweb.freebsd.org/base?view=revision&revision=340744
(proc: convert pfind & friends to use pidhash locks and other cleanup)

Thanks,

-Harry