Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:
On Wed, 6 May 2026 09:07:09 +0800 you wrote:
> f2fs stores mount-wide activity timestamps in sbi->last_time[] and
> samples them from background discard, GC, and balance paths without a
> dedicated lock. The timestamps are used as best-effort heuristics to
> decide whether background work should run now or sleep a bit longer.
>
> The current helpers use plain loads and stores, so KCSAN can report races
> between frequent foreground updates and background readers. Exact
> freshness is not required here, but the intentional lockless accesses
> should be marked explicitly.
>
> [...]
Here is the summary with links:
- [f2fs-dev] f2fs: annotate lockless last_time[] accesses
https://git.kernel.org/jaegeuk/f2fs/c/c4bbbc96e530
You are awesome, thank you!
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