From: mychoxin <mychoxin@gmail.com>
Date: Wed, 6 Sep 2017 09:23:41 +0000 (+0800)
Subject: os/bluestore: remove useless function submit
X-Git-Tag: v13.0.1~957^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=22c14219349d6a9fb527e52a50678295d1f84fb7;p=ceph.git

os/bluestore: remove useless function submit

Signed-off-by: mychoxin <mychoxin@gmail.com>
---

diff --git a/src/os/bluestore/aio.cc b/src/os/bluestore/aio.cc
index cfe0c5cf8c89..32eb608e7b99 100644
--- a/src/os/bluestore/aio.cc
+++ b/src/os/bluestore/aio.cc
@@ -5,30 +5,6 @@
 
 #if defined(HAVE_LIBAIO)
 
-
-int aio_queue_t::submit(aio_t &aio, int *retries)
-{
-  // 2^16 * 125us = ~8 seconds, so max sleep is ~16 seconds
-  int attempts = 16;
-  int delay = 125;
-  iocb *piocb = &aio.iocb;
-  int r;
-  while (true) {
-    r = io_submit(ctx, 1, &piocb);
-    if (r < 0) {
-      if (r == -EAGAIN && attempts-- > 0) {
-	usleep(delay);
-	delay *= 2;
-	(*retries)++;
-	continue;
-      }
-    }
-    assert(r == 1);
-    break;
-  }
-  return r;
-}
-
 int aio_queue_t::submit_batch(aio_iter begin, aio_iter end, 
 			      uint16_t aios_size, void *priv, 
 			      int *retries)
diff --git a/src/os/bluestore/aio.h b/src/os/bluestore/aio.h
index 2517e5f64fbb..d95210e20269 100644
--- a/src/os/bluestore/aio.h
+++ b/src/os/bluestore/aio.h
@@ -85,7 +85,6 @@ struct aio_queue_t {
     }
   }
 
-  int submit(aio_t &aio, int *retries);
   int submit_batch(aio_iter begin, aio_iter end, uint16_t aios_size, 
 		   void *priv, int *retries);
   int get_next_completed(int timeout_ms, aio_t **paio, int max);