Greg,
The reason why Todd's patch is needed in 3.0 is because the code in
question was nuked as of 3.2 by commit 4113c4caa4f355:
commit 4113c4caa4f355b8ff8b7ff0510c29c9d00d30b3
Author: Lukas Czerner <lczerner@xxxxxxxxxx>
Date: Sat Oct 8 14:34:47 2011 -0400
ext4: remove deprecated oldalloc
For a long time now orlov is the default block allocator in the
ext4. It performs better than the old one and no one seems to claim
otherwise so we can safely drop it and make oldalloc and orlov mount
option deprecated.
This is a part of the effort to reduce number of ext4 options hence the
test matrix.
Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
So the 64-bit divides aren't in the upstream kernel because the code
in question is long gone in the mainline ext4 code. It looks like Cai
(who did the 3.0 backport) never tested the patch on a 32-bit build.
Thanks Todd, for providing the patch. You can add my:
Reviewed-by: "Theodore Ts'o" <tytso@xxxxxxx>
to it. Greg, could you apply it to the stable tree? Thanks!!
- Ted
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