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Date: Mon, 4 Jul 2016 09:23:34 +0800 From: Yijing Wang <wangyijing@...wei.com> To: <axboe@...com>, Kent Overstreet <kent.overstreet@...il.com> CC: Eric Wheeler <git@...ux.ewheeler.net>, Coly Li <colyli@...e.de>, <linux-bcache@...r.kernel.org>, <linux-raid@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Yijing Wang <wangyijing@...wei.com> Subject: [PATCH v3 2/3] bcache: update document info There is no return in continue_at(), update the documentation. Signed-off-by: Yijing Wang <wangyijing@...wei.com> --- drivers/md/bcache/closure.c | 2 +- drivers/md/bcache/closure.h | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c index 9eaf1d6..864e673 100644 --- a/drivers/md/bcache/closure.c +++ b/drivers/md/bcache/closure.c @@ -112,7 +112,7 @@ bool closure_wait(struct closure_waitlist *waitlist, struct closure *cl) EXPORT_SYMBOL(closure_wait); /** - * closure_sync - sleep until a closure a closure has nothing left to wait on + * closure_sync - sleep until a closure has nothing left to wait on * * Sleeps until the refcount hits 1 - the thread that's running the closure owns * the last refcount. diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index 782cc2c..9b2fe2d 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -31,7 +31,8 @@ * passing it, as you might expect, the function to run when nothing is pending * and the workqueue to run that function out of. * - * continue_at() also, critically, is a macro that returns the calling function. + * continue_at() also, critically, requires a 'return' immediately following the + * location where this macro is referenced, to return to the calling function. * There's good reason for this. * * To use safely closures asynchronously, they must always have a refcount while -- 1.7.1
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