File-Systems and meta-data I/O
Originally written by
- File systems differ from raw device access due to their handling of
- Whenever we open a file - a lot of meta-data reading and/or writing
activity takes place.
- During I/O operations to a file - some meta-data may also need to be
- Let us see what's going on behind the scenes.
- We will encounter directory hierarchy traversals, file heads, file
blocks or extents and journals.