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SubjectRe: [f2fs-dev] [PATCH v3] f2fs: introduce fragment allocation mode mount option
>
> if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG)?
>
> It needs to randomize position of next segment only in fragment_seg mode? IIRC.
>

I want the randomness of segment allocation in fragment:*_block mode
to simulate real filesystem fragmentation.
How about just using fragment:rand_block for the simulation. I mean we
can use segment randomness for fragment:segment and
fragment:rand_block.

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