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authorYijing Wang <wangyijing@huawei.com>2016-07-04 09:23:34 +0800
committerJens Axboe <axboe@fb.com>2016-07-05 11:34:49 -0600
commit7abc70d7007757ac1c0e87c57f39cd79f50a632f (patch)
treee9509e76c2f0056c10fb3c8eed5f7aef71e668cb /drivers/md/bcache
parentc50d4d5dd367f996393f1d33f5a3a3048bb414f8 (diff)
bcache: update document info
There is no return in continue_at(), update the documentation. Signed-off-by: Yijing Wang <wangyijing@huawei.com> Acked-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/bcache')
-rw-r--r--drivers/md/bcache/closure.c2
-rw-r--r--drivers/md/bcache/closure.h3
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
index 9eaf1d6e8302..864e673aec39 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 782cc2c8a185..9b2fe2d3e3a9 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