linux-kernel - Re: [PATCH v4 1/2] f2fs: refactor struct iostat_lat

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Message-Id: <20230420033039.72746-1-frank.li@vivo.com>
Date:   Thu, 20 Apr 2023 11:30:39 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     jaegeuk@...nel.org
Cc:     chao@...nel.org, frank.li@...o.com,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        mhiramat@...nel.org, rostedt@...dmis.org
Subject: Re: [PATCH v4 1/2] f2fs: refactor struct iostat_lat_info

> > +		ctx = iostat_get_bio_private(bio);
>
> This ctx is not used for iostat.

Considering that the next patch needs to store the discard_cmd pointer
in bio_iostat_ctx, there is no need to add a new variable.
We just need to rename post_read_ctx to data.
Change bio_iostat_ctx->post_read_ctx to bio_iostat_ctx->data?

Following the above logic, should get_post_read_ctx be changed to iostat_get_bio_data?
Since the function is located in the iostat file, we added the iostat prefix.

Thx,
Yangtao