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SubjectRe: [PATCH 0/3] kernel/watch_queue: Clean up some code
On Thu, Aug 04, 2022 at 07:00:21PM +0530, Siddh Raman Pant wrote:
> There is a dangling reference to pipe in a watch_queue after clearing it.
> Thus, NULL that pointer while clearing. This can be thought of as a v4 of
> the patches I had sent earlier.
>
> This change renders wqueue->defunct superfluous, as the latter is only used
> to check if watch_queue is cleared. With this change, the pipe is NULL'd
> while clearing, so we can just check if the pipe is NULL.
>
> Extending comment for watch_queue->pipe in the definition of watch_queue
> made the comment conventionally too long (it was already past 80 chars),
> so I have changed the struct annotations to be doxygen-styled, so that
> I can extend the comment mentioning that the pipe is NULL when watch_queue
> is cleared.
>
> Siddh Raman Pant (3):
> kernel/watch_queue: Remove dangling pipe reference while clearing
> watch_queue
> kernel/watch_queue: Improve struct annotation formatting
> kernel/watch_queue: Remove wqueue->defunct and use pipe for clear
> check
>
> include/linux/watch_queue.h | 95 +++++++++++++++++++++++++++----------
> kernel/watch_queue.c | 11 ++---
> 2 files changed, 75 insertions(+), 31 deletions(-)

I think patches 1 and 3 should be merged together.

Also, please use a consistent version number for all patches in the series. You
have a version 1, version 2, and version 4 patch all in the same series, which
is very confusing.

- Eric

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