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What: /debug/aufs/si_<id>/
Date: March 2009
Contact: J. R. Okajima <hooanon05g@gmail.com>
Description:
Under /debug/aufs, a directory named si_<id> is created
per aufs mount, where <id> is a unique id generated
internally.
What: /debug/aufs/si_<id>/plink
Date: Apr 2013
Contact: J. R. Okajima <hooanon05g@gmail.com>
Description:
It has three lines and shows the information about the
pseudo-link. The first line is a single number
representing a number of buckets. The second line is a
number of pseudo-links per buckets (separated by a
blank). The last line is a single number representing a
total number of psedo-links.
When the aufs mount option 'noplink' is specified, it
will show "1\n0\n0\n".
What: /debug/aufs/si_<id>/xib
Date: March 2009
Contact: J. R. Okajima <hooanon05g@gmail.com>
Description:
It shows the consumed blocks by xib (External Inode Number
Bitmap), its block size and file size.
When the aufs mount option 'noxino' is specified, it
will be empty. About XINO files, see the aufs manual.
What: /debug/aufs/si_<id>/xino0, xino1 ... xinoN
Date: March 2009
Contact: J. R. Okajima <hooanon05g@gmail.com>
Description:
It shows the consumed blocks by xino (External Inode Number
Translation Table), its link count, block size and file
size.
When the aufs mount option 'noxino' is specified, it
will be empty. About XINO files, see the aufs manual.
What: /debug/aufs/si_<id>/xigen
Date: March 2009
Contact: J. R. Okajima <hooanon05g@gmail.com>
Description:
It shows the consumed blocks by xigen (External Inode
Generation Table), its block size and file size.
If CONFIG_AUFS_EXPORT is disabled, this entry will not
be created.
When the aufs mount option 'noxino' is specified, it
will be empty. About XINO files, see the aufs manual.
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