Re: [PATCH v1 0/5] Introduce a new helper marco DEFINE_STORE_ATTRIBUTE at seq_file.c

[Al Viro]

On Thu, Oct 22, 2020 at 04:39:52PM +0800, Luo Jiaxing wrote:
> We already own DEFINE_SHOW_ATTRIBUTE() helper macro for defining attribute
> for read-only file, but we found many of drivers also want a helper marco for
> read-write file too.

DEFINE_SHOW_ATTRIBUTE is a bloody bad idea; let's not replicate the garbage
any further.  If you want templates - C++ is over that way...