The Extended File System
was created by Remy Card, Theodore T’so, and Stephen Tweedie. It removed Minix’s
limitations on max fs size and max file name size, but still had problems. This
PDF covers the following topics related to The Second Extended File System :
Background, Ext2fs features, Physical Layout of an ext2 partition, The ext2
physical superblock, The ext2 group descriptor, The ext2 physical inode, Data
Blocks Addressing, Bitmaps, How files use disc blocks, Making and mounting an
ext2 partition.
This PDF
covers the following topics related to the Ext3 filesystem : Abstract,
Introduction, Features found in Linux 2.6, Extents, delayed allocation and
extent allocation, Improving ext3 without changing disk format, Performance
comparison, Conclusion.
Author(s): Mingming Cao, Theodore Y. Ts’o,
Badari Pulavarty, Suparna Bhattacharya IBM Linux Technology Center