diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-aufs | 50 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-aufs | 31 |
2 files changed, 81 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-aufs b/Documentation/ABI/testing/debugfs-aufs new file mode 100644 index 000000000..99642d105 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-aufs @@ -0,0 +1,50 @@ +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. diff --git a/Documentation/ABI/testing/sysfs-aufs b/Documentation/ABI/testing/sysfs-aufs new file mode 100644 index 000000000..82f951849 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-aufs @@ -0,0 +1,31 @@ +What: /sys/fs/aufs/si_<id>/ +Date: March 2009 +Contact: J. R. Okajima <hooanon05g@gmail.com> +Description: + Under /sys/fs/aufs, a directory named si_<id> is created + per aufs mount, where <id> is a unique id generated + internally. + +What: /sys/fs/aufs/si_<id>/br0, br1 ... brN +Date: March 2009 +Contact: J. R. Okajima <hooanon05g@gmail.com> +Description: + It shows the abolute path of a member directory (which + is called branch) in aufs, and its permission. + +What: /sys/fs/aufs/si_<id>/brid0, brid1 ... bridN +Date: July 2013 +Contact: J. R. Okajima <hooanon05g@gmail.com> +Description: + It shows the id of a member directory (which is called + branch) in aufs. + +What: /sys/fs/aufs/si_<id>/xi_path +Date: March 2009 +Contact: J. R. Okajima <hooanon05g@gmail.com> +Description: + It shows the abolute path of XINO (External Inode Number + Bitmap, Translation Table and Generation Table) file + even if it is the default path. + When the aufs mount option 'noxino' is specified, it + will be empty. About XINO files, see the aufs manual. |