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bcache: Update continue_at() documentation

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continue_at() doesn't have a return statement anymore.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Coly Li <colyli@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dan Carpenter 2017-09-06 14:26:01 +08:00 committed by Jens Axboe
parent da22f0eea5
commit 7b6a8570e0
1 changed files with 0 additions and 4 deletions
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drivers/md/bcache/closure.h
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@ -312,8 +312,6 @@ static inline void closure_wake_up(struct closure_waitlist *list)
* been dropped with closure_put()), it will resume execution at @fn running out
* of @wq (or, if @wq is NULL, @fn will be called by closure_put() directly).
*
* NOTE: This macro expands to a return in the calling function!
*
* This is because after calling continue_at() you no longer have a ref on @cl,
* and whatever @cl owns may be freed out from under you - a running closure fn
* has a ref on its own closure which continue_at() drops.
@ -340,8 +338,6 @@ do { \
* Causes @fn to be executed out of @cl, in @wq context (or called directly if
* @wq is NULL).
*
* NOTE: like continue_at(), this macro expands to a return in the caller!
*
* The ref the caller of continue_at_nobarrier() had on @cl is now owned by @fn,
* thus it's not safe to touch anything protected by @cl after a
* continue_at_nobarrier().