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>

diff --git a/block/file-posix.c b/block/file-posix.c
index ad299beb38b62d8194aa30cdf6fc443aa1efaaca..928b863cedd952e2381e51f309e01b1d8a194f7b 100644 (file)
--- 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");