Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2020-07-13' into staging

NBD patches for 2020-07-13

- fix off-by-one truncation in corner-case name display
- use fcntl correctly
- iotest cleanups that enable testing an upcoming fix for NBD close

# gpg: Signature made Mon 13 Jul 2020 15:11:35 BST
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2020-07-13:
  iotests.py: filter_testfiles(): filter SOCK_DIR too
  iotests.py: QemuIoInteractive: print output on failure
  iotests: QemuIoInteractive: use qemu_io_args_no_fmt
  hax: Fix setting of FD_CLOEXEC
  nbd: Avoid off-by-one in long export name truncation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/target/i386/hax-posix.c b/target/i386/hax-posix.c
index 3bad89f133..5f9d1b803d 100644
--- a/target/i386/hax-posix.c
+++ b/target/i386/hax-posix.c
@@ -23,7 +23,7 @@ hax_fd hax_mod_open(void)
         fprintf(stderr, "Failed to open the hax module\n");
     }
 
-    fcntl(fd, F_SETFD, FD_CLOEXEC);
+    qemu_set_cloexec(fd);
 
     return fd;
 }
@@ -147,7 +147,7 @@ hax_fd hax_host_open_vm(struct hax_state *hax, int vm_id)
     fd = open(vm_name, O_RDWR);
     g_free(vm_name);
 
-    fcntl(fd, F_SETFD, FD_CLOEXEC);
+    qemu_set_cloexec(fd);
 
     return fd;
 }
@@ -200,7 +200,7 @@ hax_fd hax_host_open_vcpu(int vmid, int vcpuid)
     if (fd < 0) {
         fprintf(stderr, "Failed to open the vcpu devfs\n");
     }
-    fcntl(fd, F_SETFD, FD_CLOEXEC);
+    qemu_set_cloexec(fd);
     return fd;
 }