Hi Greet,

On 2025/7/30 20:44, Geert Uytterhoeven wrote:
The EROFS filesystem has many configurable options, controlled through
boolean Kconfig symbols.  When enabled, these options may need to enable
additional library functionality elsewhere.  Currently this is done by
selecting the symbol for the additional functionality.  However, if
EROFS_FS itself is modular, and the target symbol is a tristate symbol,
the additional functionality is always forced built-in.

Selecting tristate symbols from a tristate symbol does keep modular
transitivity.  Hence fix this by moving selects of tristate symbols to
the main EROFS_FS symbol.

Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
Triggered by noticing that commit 5e0bf36fd156b8d9 ("erofs: fix build
error with CONFIG_EROFS_FS_ZIP_ACCEL=y") caused CONFIG_CRYPTO_DEFLATE
and CONFIG_ZLIB_DEFLATE to change from m to y in m68k/allmodconfig.

Unfortunately Kconfig cannot be changed easily to detect this
automatically, as it cannot distinguish between a "bool" symbol
representing a configurable option in a module, and a driver that cannot
be a module.
---

Thanks, it looks good to me, will upstream in this cycle:

Reviewed-by: Gao Xiang <hsiang...@linux.alibaba.com>

Thanks,
Gao Xiang

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