Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [PATCH] nilfs2: Use div64_ul() instead of do_div() | From | Thorsten Blum <> | Date | Thu, 29 Feb 2024 22:14:48 +0100 |
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> On Feb 29, 2024, at 21:40, Thorsten Blum <thorsten.blum@toblux.com> wrote: > >> On Feb 29, 2024, at 20:41, Thorsten Blum <thorsten.blum@toblux.com> wrote: >> >>> On Feb 29, 2024, at 19:45, Ryusuke Konishi <konishi.ryusuke@gmail.com> wrote: >>> >>> All of the fixes in this patch seem to be correct, but this doesn't >>> cover nilfs_resize_fs(), nilfs_max_segment_count(), and >>> nilfs_sb2_bad_offset(), which also have do_div() that doesn't use the >>> return value. >> >> For nilfs_sb2_bad_offset(), where the dividend is u64 and the divisor is u32, we >> would need a dedicated function like div64_u32() that doesn't calculate the >> remainder, which doesn't seem to exist. What do you think? > > Never mind, there is div_u64(u64, u32). I'll submit a v2 shortly.
I left nilfs_sb2_bad_offset() unchanged in v2 because div_u64() still calculates the remainder.
Thorsten
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