Alex Tomas wrote:
Linus Torvalds (LT) writes:
LT> My point is, maintaining two different pieces is SIMPLER.
"different" is a key word here. why should we copy most of ext3 code
into ext4?
LT> It would be bigger, if you made ext3 do 48-bit block numbers.
nope, we re-use existing i_data w/o any changes. yes, we've made
inode a bit larger to cache last found extent. this improves
performance in some workloads noticable though.
LT> See? ext3 would become strictly _worse_ for the majority of users, who
LT> wouldn't get any advantage. That's my point.
would "#if CONFIG_EXT3_EXTENTS" be a good solution then?
No, that would be worse.
Jeff
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