From a1c81f4f16a74d0d544f5d3ac405bcaad83541fd Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Fri, 27 Jul 2018 14:53:14 +0800
Subject: [PATCH] file-posix: Handle EINTR in preallocation=full write

Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/file-posix.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/block/file-posix.c b/block/file-posix.c
index ad299beb38..928b863ced 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1646,6 +1646,9 @@ static int handle_aiocb_truncate(RawPosixAIOData *aiocb)
             num = MIN(left, 65536);
             result = write(fd, buf, num);
             if (result < 0) {
+                if (errno == EINTR) {
+                    continue;
+                }
                 result = -errno;
                 error_setg_errno(errp, -result,
                                  "Could not write zeros for preallocation");
-- 
2.11.4.GIT