bcachefs: Remove unused parameter of bkey_mantissa

The idx parameter of bkey_mantissa became unused since commit
b904a79918 ("bcachefs: Go back to 16 bit mantissa bkey floats"),
so remove it.

Signed-off-by: Alan Huang <mmpgouride@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Alan Huang 2024-08-11 00:52:24 +08:00 • committed by Kent Overstreet
commit 2a463e948a