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SubjectRe: [PATCH] shrink_dcache_parent() races against shrink_dcache_memory()
> No, the fast path (more frequent) is s_prunes == 0.
>
> sb->s_prunes--;
> if (likely(!sb->s_prunes))
> wake_up(&sb->s_wait_prunes);
>
> This is only optimizing a rare case ... and unmounting isn't very time
> critical.
Yeah, you are right. I was thinking about 2 things at the same time and
was wrong :)

Kirill

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