2003-08-29 05:49:51

by Alex Tomas

[permalink] [raw]
Subject: Re: [Ext2-devel] [RFC] extents support for EXT3

>>>>> Mike Fedyk (MF) writes:

MF> With extents, what are the worst/best cases for max file size on a 1k block
MF> filesystem? AFAICT, worst case is 16GB if it backs out to the second level
MF> like we have now...

well, for extents case the worst/best cases are function of block allocation.
in fact, the best case could have ~31000 blocks per extent (limited by groups).
the worst case is having 1 block per extent -> 12 bytes per block (4 bytes
w/o extents)