Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Fri 06 Oct 2017 16:52:59 BST
# gpg:                using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (54 commits)
  block/mirror: check backing in bdrv_mirror_top_flush
  qcow2: truncate the tail of the image file after shrinking the image
  qcow2: fix return error code in qcow2_truncate()
  iotests: Fix 195 if IMGFMT is part of TEST_DIR
  block/mirror: check backing in bdrv_mirror_top_refresh_filename
  block: support passthrough of BDRV_REQ_FUA in crypto driver
  block: convert qcrypto_block_encrypt|decrypt to take bytes offset
  block: convert crypto driver to bdrv_co_preadv|pwritev
  block: fix data type casting for crypto payload offset
  crypto: expose encryption sector size in APIs
  block: use 1 MB bounce buffers for crypto instead of 16KB
  iotests: Add test 197 for covering copy-on-read
  block: Perform copy-on-read in loop
  block: Add blkdebug hook for copy-on-read
  iotests: Restore stty settings on completion
  block: Uniform handling of 0-length bdrv_get_block_status()
  qemu-io: Add -C for opening with copy-on-read
  commit: Remove overlay_bs
  qemu-iotests: Test commit block job where top has two parents
  qemu-iotests: Allow QMP pretty printing in common.qemu
  ...

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

1 files changed, 12 insertions, 3 deletions

diff --git a/tests/qemu-iotests/common.qemu b/tests/qemu-iotests/common.qemu
index 7645f1dc72..7b3052dc79 100644
--- a/tests/qemu-iotests/common.qemu
+++ b/tests/qemu-iotests/common.qemu
@@ -31,6 +31,7 @@ QEMU_FIFO_IN="${QEMU_TEST_DIR}/qmp-in-$$"
 QEMU_FIFO_OUT="${QEMU_TEST_DIR}/qmp-out-$$"
 
 QEMU_HANDLE=0
+export _QEMU_HANDLE=0
 
 # If bash version is >= 4.1, these will be overwritten and dynamic
 # file descriptor values assigned.
@@ -55,13 +56,13 @@ function _timed_wait_for()
     shift
 
     QEMU_STATUS[$h]=0
-    while read -t ${QEMU_COMM_TIMEOUT} resp <&${QEMU_OUT[$h]}
+    while IFS= read -t ${QEMU_COMM_TIMEOUT} resp <&${QEMU_OUT[$h]}
     do
         if [ -z "${silent}" ]; then
             echo "${resp}" | _filter_testdir | _filter_qemu \
                            | _filter_qemu_io | _filter_qmp | _filter_hmp
         fi
-        grep -q "${*}" < <(echo ${resp})
+        grep -q "${*}" < <(echo "${resp}")
         if [ $? -eq 0 ]; then
             return
         fi
@@ -129,6 +130,7 @@ function _send_qemu_cmd()
 # $qemu_comm_method: set this variable to 'monitor' (case insensitive)
 #                    to use the QEMU HMP monitor for communication.
 #                    Otherwise, the default of QMP is used.
+# $qmp_pretty: Set this variable to 'y' to enable QMP pretty printing.
 # $keep_stderr: Set this variable to 'y' to keep QEMU's stderr output on stderr.
 #               If this variable is empty, stderr will be redirected to stdout.
 # Returns:
@@ -145,7 +147,11 @@ function _launch_qemu()
         comm="-monitor stdio"
     else
         local qemu_comm_method="qmp"
-        comm="-monitor none -qmp stdio"
+        if [ "$qmp_pretty" = "y" ]; then
+            comm="-monitor none -qmp-pretty stdio"
+        else
+            comm="-monitor none -qmp stdio"
+        fi
     fi
 
     fifo_out=${QEMU_FIFO_OUT}_${_QEMU_HANDLE}
@@ -192,6 +198,9 @@ function _launch_qemu()
     then
         # Don't print response, since it has version information in it
         silent=yes _timed_wait_for ${_QEMU_HANDLE} "capabilities"
+        if [ "$qmp_pretty" = "y" ]; then
+            silent=yes _timed_wait_for ${_QEMU_HANDLE} "^}"
+        fi
     fi
     QEMU_HANDLE=${_QEMU_HANDLE}
     let _QEMU_HANDLE++