[Tarantool-patches] [PATCH 11/13] coio: fix obsoleted comment in coio_write_timeout

[Alexander Turenko]

The comment was added in 52765de65b8304424ef3d7014952f9fa55ee46f4, but
becomes non-actual since 1.6.6-21-gc74abc786 ('Implement special
TimedOut exception type and use it in coio and latch.')

Part of #4031
---
 src/lib/core/coio.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/core/coio.cc b/src/lib/core/coio.cc
index e88d724d5..74e6240ce 100644
--- a/src/lib/core/coio.cc
+++ b/src/lib/core/coio.cc
@@ -388,8 +388,8 @@ coio_readn_ahead_timeout(struct ev_io *coio, void *buf, size_t sz, size_t bufsiz
  * fiber until the socket becomes ready, until
  * all data is written.
  *
- * @retval the number of bytes written. Can be less than
- * requested only in case of timeout.
+ * @retval the number of bytes written. Always
+ * equal to @a sz.
  */
 ssize_t
 coio_write_timeout(struct ev_io *coio, const void *buf, size_t sz,
-- 
2.25.0