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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 12 Sep 2010 19:06:08 +0000 (UTC)
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Subject: cvs commit: src/sys/nfsclient nfs.h nfs_nfsiod.c nfs_subs.c
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kib         2010-09-12 19:06:08 UTC

  FreeBSD src repository

  Modified files:
    sys/nfsclient        nfs.h nfs_nfsiod.c nfs_subs.c 
  Log:
  SVN rev 212506 on 2010-09-12 19:06:08Z by kib
  
  Do not fork nfsiod directly from the vop methods. This causes LORs between
  vnode lock and several locks needed during fork, like fd lock.
  
  Instead, schedule the task to be executed in the taskqueue context. We
  still waiting for the fork to finish, but the context of the thread
  executing the task does not make real LORs with our vnode lock.
  
  Submitted by:   pluknet at gmail com
  Reviewed by:    jhb
  Tested by:      pho
  MFC after:      3 weeks
  
  Revision  Changes    Path
  1.112     +2 -0      src/sys/nfsclient/nfs.h
  1.98      +39 -2     src/sys/nfsclient/nfs_nfsiod.c
  1.168     +7 -0      src/sys/nfsclient/nfs_subs.c