Documentation/ABI/testing/debugfs-aufs

   1 What:           /debug/aufs/si_<id>/
   2 Date:           March 2009
   3 Contact:        J. R. Okajima <hooanon05g@gmail.com>
   4 Description:
   5                 Under /debug/aufs, a directory named si_<id> is created
   6                 per aufs mount, where <id> is a unique id generated
   7                 internally.
   8
   9 What:           /debug/aufs/si_<id>/plink
  10 Date:           Apr 2013
  11 Contact:        J. R. Okajima <hooanon05g@gmail.com>
  12 Description:
  13                 It has three lines and shows the information about the
  14                 pseudo-link. The first line is a single number
  15                 representing a number of buckets. The second line is a
  16                 number of pseudo-links per buckets (separated by a
  17                 blank). The last line is a single number representing a
  18                 total number of psedo-links.
  19                 When the aufs mount option 'noplink' is specified, it
  20                 will show "1\n0\n0\n".
  21
  22 What:           /debug/aufs/si_<id>/xib
  23 Date:           March 2009
  24 Contact:        J. R. Okajima <hooanon05g@gmail.com>
  25 Description:
  26                 It shows the consumed blocks by xib (External Inode Number
  27                 Bitmap), its block size and file size.
  28                 When the aufs mount option 'noxino' is specified, it
  29                 will be empty. About XINO files, see the aufs manual.
  30
  31 What:           /debug/aufs/si_<id>/xino0, xino1 ... xinoN
  32 Date:           March 2009
  33 Contact:        J. R. Okajima <hooanon05g@gmail.com>
  34 Description:
  35                 It shows the consumed blocks by xino (External Inode Number
  36                 Translation Table), its link count, block size and file
  37                 size.
  38                 When the aufs mount option 'noxino' is specified, it
  39                 will be empty. About XINO files, see the aufs manual.
  40
  41 What:           /debug/aufs/si_<id>/xigen
  42 Date:           March 2009
  43 Contact:        J. R. Okajima <hooanon05g@gmail.com>
  44 Description:
  45                 It shows the consumed blocks by xigen (External Inode
  46                 Generation Table), its block size and file size.
  47                 If CONFIG_AUFS_EXPORT is disabled, this entry will not
  48                 be created.
  49                 When the aufs mount option 'noxino' is specified, it
  50                 will be empty. About XINO files, see the aufs manual.