Re: [GIT PULL] ext4 bug fixes for 3.18

[Linus Torvalds]

On Fri, Oct 31, 2014 at 2:49 PM, Theodore Ts'o <tytso@xxxxxxx> wrote:
>
> Theodore Ts'o (1):
>       jbd2: use a better hash function for the revoke table

Does it really make sense to use hash_u64()? It can be quite expensive
(mainly on 32-bit targets), and since the low bits are where all the
information is anyway, I'd suggest using hash_32() here even if the
block number in theory can have a few bits above the 32-bit mark.

Anyway, pulled, but I just reacted to that small detail.

                      Linus
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