From: Kefu Chai <tchaikov@gmail.com>
Date: Fri, 25 Nov 2016 15:01:07 +0000 (+0800)
Subject: Merge pull request #9062 from majianpeng/aio-pwritev
X-Git-Tag: v11.1.0~155
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=42a126e3aa4ac9f69d46d1786d6f48758f7ba8f0;p=ceph-ci.git

Merge pull request #9062 from majianpeng/aio-pwritev

os/fs/FS: optimize aio::pwritev which make caller provide length.

Reviewed-by: Loic Dachary <ldachary@redhat.com>
---

42a126e3aa4ac9f69d46d1786d6f48758f7ba8f0
diff --cc src/os/bluestore/KernelDevice.cc
index 8826dd744e0,b27f9fa3080..b49032b2405
--- a/src/os/bluestore/KernelDevice.cc
+++ b/src/os/bluestore/KernelDevice.cc
@@@ -472,10 -403,9 +472,10 @@@ int KernelDevice::aio_write
  		 << " " << aio.iov[i].iov_len << dendl;
        }
        aio.bl.claim_append(bl);
-       aio.pwritev(off);
+       aio.pwritev(off, len);
      }
 -    dout(5) << __func__ << " " << off << "~" << len << " aio " << &aio << dendl;
 +    dout(5) << __func__ << " 0x" << std::hex << off << "~" << len
 +	    << std::dec << " aio " << &aio << dendl;
    } else
  #endif
    {