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SubjectRe: [PATCH, RFC] fasync() BKL pushdown
Jonathan Corbet wrote:

> The majority of fasync() functions just call fasync_helper() with a pointer
> to an fasync_struct reachable from the file structure. Given that (1) the
> struct file will not go away while fasync() is running, and (2) the
> VFS-level fasync() stuff is protected with the Big Fasync Lock, I contend
> that these simple implementations have no need for the BKL.

Not necessarily true, they might require BKL still for fd live time issues.


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