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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 8 Aug 2006 12:29:27 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/compat/linprocfs linprocfs.c
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kib         2006-08-08 12:29:27 UTC

  FreeBSD src repository

  Modified files:
    sys/compat/linprocfs linprocfs.c 
  Log:
  Lock the vnode around the call to VOP_GETATTR. Move the locked code
  and vn_fullpath (that call malloc(..., M_WAITOK)) from under the
  vm object lock, since sleep is not allowed while holding the mutex.
  
  Being there, wrap VOP_GETATTR call with conditional Giant aquire.
  Currently this is (almost) noop because pseudofs is Giant-locked.
  
  Tested by:      kris
  Approved by:    pjd (mentor)
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.97      +16 -5     src/sys/compat/linprocfs/linprocfs.c