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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Thu, 29 Jan 2009 11:03:57 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/fs/pseudofs pseudofs_vncache.c
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kib         2009-01-29 11:03:57 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/fs/pseudofs      pseudofs_vncache.c 
  Log:
  SVN rev 187887 on 2009-01-29 11:03:57Z by kib
  
  MFC r186560:
  After the pfs_vncache_mutex is dropped, another thread may attempt to
  do pfs_vncache_alloc() for the same pfs_node and pid. In this case, we
  could end up with two vnodes for the pair. Recheck the cache under the
  locked pfs_vncache_mutex after all sleeping operations are done.
  
  Do not call free() on the struct pfs_vdata after insmntque() failure,
  because vp->v_data points to the structure, and pseudofs_reclaim()
  frees it by the call to pfs_vncache_free().
  
  MFC r186981 (by marcus):
  vput the vnode.
  
  Revision  Changes    Path
  1.38.2.1  +27 -13    src/sys/fs/pseudofs/pseudofs_vncache.c