[Qemu-devel] [PATCH 00/25] nbd: Several fixes

[Max Reitz <mreitz@redhat.com>]

This series contains a variety of fixes for qemu's NBD code, with the
most interesting (and probably most prone to be wrong) thing being a
timeout of ten seconds for NBD connections.


Max Reitz (25):
  util/uri: Add overflow check to rfc3986_parse_port
  qemu-nbd: Detect unused partitions by system == 0
  nbd: Fix nbd_establish_connection()'s return value
  nbd: Fix response to invalid requests
  nbd: Avoid generic -EINVAL
  nbd: Pass return value from nbd_handle_list()
  nbd: Add "failed to open export" error message
  nbd: Handle blk_getlength() failure
  qemu-nbd: fork() can fail
  nbd: Fix potential signed overflow issues
  qemu-nbd: Fix and improve input verification
  nbd: Set block size to BDRV_SECTOR_SIZE
  nbd: Enforce sector alignment
  coroutine: Add co_yield_timeout()
  coroutine-io: Return -errno in case of error
  coroutine-io: Add I/O functions with timeout
  nbd: Employ timeouts
  nbd: Fix nbd_receive_options()
  nbd: Fix interpretation of the export flags
  block/nbd: Comment on discard/flush silently failing
  nbd: Drop unexpected data for NBD_OPT_LIST
  iotests: Add _timeout function
  iotests: Add test for invalid qemu-nbd parameters
  iotests: Add test for issuing discard over NBD
  iotests: Add test for a non-existing NBD export

 block/nbd-client.c           |  40 +++++++--
 block/nbd-client.h           |   1 -
 block/nbd.c                  |   2 +-
 blockdev-nbd.c               |   6 +-
 include/block/coroutine.h    |   6 ++
 include/block/nbd.h          |  13 +--
 include/qemu-common.h        |  45 ++++++++--
 nbd.c                        | 203 ++++++++++++++++++++++++++++++-------------
 qemu-coroutine-io.c          |  25 ++++--
 qemu-coroutine-sleep.c       |  34 ++++++++
 qemu-nbd.c                   |  74 +++++++++++-----
 tests/qemu-iotests/096.out   |   2 +-
 tests/qemu-iotests/125       |  69 +++++++++++++++
 tests/qemu-iotests/125.out   |  21 +++++
 tests/qemu-iotests/126       | 105 ++++++++++++++++++++++
 tests/qemu-iotests/126.out   |  28 ++++++
 tests/qemu-iotests/127       |  80 +++++++++++++++++
 tests/qemu-iotests/127.out   |  14 +++
 tests/qemu-iotests/common.rc |  16 ++++
 tests/qemu-iotests/group     |   3 +
 util/uri.c                   |  24 ++---
 21 files changed, 686 insertions(+), 125 deletions(-)
 create mode 100755 tests/qemu-iotests/125
 create mode 100644 tests/qemu-iotests/125.out
 create mode 100755 tests/qemu-iotests/126
 create mode 100644 tests/qemu-iotests/126.out
 create mode 100755 tests/qemu-iotests/127
 create mode 100644 tests/qemu-iotests/127.out

-- 
2.1.0