[lkml]   [2008]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 3/6] NLM: Initialize completion variable in lockd_up
On Fri, Mar 14, 2008 at 10:44:31PM -0500, Mike Snitzer wrote:
> On Sun, Jan 13, 2008 at 1:17 PM, Christoph Hellwig <> wrote:
> > Btw, lockd() takes BKL just after starting up and only implicitly drops
> > it when blocking. This seems very dangerous to me and badly wants
> > updating to some real locking scheme..
> Can you elaborate on what is meant by lockd "blocking"? Blocking in
> svc_recv() or during a SETLKW or ???

Blocking in kernel context means sleeping aka scheduling away. So in the
sentence above that means BKL is dropped once lockd sleeps on a
syncronization primitive the first time.

 \ /
  Last update: 2008-03-15 07:37    [W:0.081 / U:10.728 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site