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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Mon, 17 Aug 2009 10:02:31 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
	zfs_ctldir.c
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pjd         2009-08-17 10:02:31 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/cddl/contrib/opensolaris/uts/common/fs/zfs zfs_ctldir.c 
  Log:
  SVN rev 196310 on 2009-08-17 10:02:31Z by pjd
  
  MFC r196309:
  
  getcwd() (when __getcwd() fails) works by stating current directory, going up
  (..), calling readdir and looking for previous directory inode.  In case of
  .zfs/ directory this doesn't work, because .zfs/ is hidden by default, so it
  won't be visible in readdir output.
  
  Fix this by implementing VPTOCNP for snapshot directories, so __getcwd()
  doesn't fail and getcwd() doesn't have to use readdir method.
  
  This fixes /bin/pwd from within .zfs/snapshot/<name>/.
  
  Suggested by:   kib
  Approved by:    re (rwatson)
  
  Revision  Changes    Path
  1.14.2.1  +43 -0     src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c