[v2] NBD patches through 2019-09-05

[Qemu-devel] [PULL v2 0/9] NBD patches through 2019-09-05

Posted by Eric Blake 4 years, 7 months ago

The following changes since commit eac2f39602e0423adf56be410c9a22c31fec9a81:

  target/arm: Inline gen_bx_im into callers (2019-09-05 13:23:04 +0100)

are available in the Git repository at:

  https://repo.or.cz/qemu/ericb.git tags/pull-nbd-2019-09-05-v2

for you to fetch changes up to b491dbb7f8e09ef864770c205a3b5bce6c5c1881:

  nbd: Implement server use of NBD FAST_ZERO (2019-09-05 16:04:53 -0500)

v2 pull request: fix iotests 223 and 233 (only re-sending the patches
that needed tweaking, per this backport-diff):
001/9:[0002] [FC] 'nbd: Advertise multi-conn for shared read-only connections'
002/9:[----] [--] 'nbd: Use g_autofree in a few places'
003/9:[0008] [FC] 'nbd: Tolerate more errors to structured reply request'
004/9:[----] [--] 'block: workaround for unaligned byte range in fallocate()'
005/9:[----] [--] 'docs: Update preferred NBD device syntax'
006/9:[0002] [FC] 'nbd: Improve per-export flag handling in server'
007/9:[----] [--] 'nbd: Prepare for NBD_CMD_FLAG_FAST_ZERO'
008/9:[----] [--] 'nbd: Implement client use of NBD FAST_ZERO'
009/9:[0004] [FC] 'nbd: Implement server use of NBD FAST_ZERO'

----------------------------------------------------------------
nbd patches for 2019-09-05

- Advertise NBD_FLAG_CAN_MULTI_CONN on readonly images
- Tolerate larger set of server error responses during handshake
- More precision on handling fallocate() failures due to alignment
- Better documentation of NBD connection URIs
- Implement new extension NBD_CMD_FLAG_FAST_ZERO to benefit qemu-img convert

----------------------------------------------------------------
Andrey Shinkevich (1):
      block: workaround for unaligned byte range in fallocate()

Eric Blake (8):
      nbd: Advertise multi-conn for shared read-only connections
      nbd: Use g_autofree in a few places
      nbd: Tolerate more errors to structured reply request
      docs: Update preferred NBD device syntax
      nbd: Improve per-export flag handling in server
      nbd: Prepare for NBD_CMD_FLAG_FAST_ZERO
      nbd: Implement client use of NBD FAST_ZERO
      nbd: Implement server use of NBD FAST_ZERO

 docs/interop/nbd.txt       |  2 ++
 qemu-doc.texi              | 11 ++++--
 include/block/nbd.h        |  6 +++-
 block/io.c                 |  2 +-
 block/file-posix.c         |  7 ++++
 block/nbd.c                | 18 ++++++----
 blockdev-nbd.c             |  3 +-
 nbd/client.c               | 85 ++++++++++++++++++++++------------------------
 nbd/common.c               |  5 +++
 nbd/server.c               | 83 +++++++++++++++++++++++++-------------------
 qemu-nbd.c                 |  7 ++--
 nbd/trace-events           |  2 +-
 tests/qemu-iotests/223.out |  4 +--
 tests/qemu-iotests/233.out | 10 +++---
 14 files changed, 141 insertions(+), 104 deletions(-)

-- 
2.21.0

Re: [Qemu-devel] [PULL v2 0/9] NBD patches through 2019-09-05

Posted by Peter Maydell 4 years, 7 months ago

On Thu, 5 Sep 2019 at 22:17, Eric Blake <eblake@redhat.com> wrote:
>
> The following changes since commit eac2f39602e0423adf56be410c9a22c31fec9a81:
>
>   target/arm: Inline gen_bx_im into callers (2019-09-05 13:23:04 +0100)
>
> are available in the Git repository at:
>
>   https://repo.or.cz/qemu/ericb.git tags/pull-nbd-2019-09-05-v2
>
> for you to fetch changes up to b491dbb7f8e09ef864770c205a3b5bce6c5c1881:
>
>   nbd: Implement server use of NBD FAST_ZERO (2019-09-05 16:04:53 -0500)
>
> v2 pull request: fix iotests 223 and 233 (only re-sending the patches
> that needed tweaking, per this backport-diff):
> 001/9:[0002] [FC] 'nbd: Advertise multi-conn for shared read-only connections'
> 002/9:[----] [--] 'nbd: Use g_autofree in a few places'
> 003/9:[0008] [FC] 'nbd: Tolerate more errors to structured reply request'
> 004/9:[----] [--] 'block: workaround for unaligned byte range in fallocate()'
> 005/9:[----] [--] 'docs: Update preferred NBD device syntax'
> 006/9:[0002] [FC] 'nbd: Improve per-export flag handling in server'
> 007/9:[----] [--] 'nbd: Prepare for NBD_CMD_FLAG_FAST_ZERO'
> 008/9:[----] [--] 'nbd: Implement client use of NBD FAST_ZERO'
> 009/9:[0004] [FC] 'nbd: Implement server use of NBD FAST_ZERO'
>
> ----------------------------------------------------------------
> nbd patches for 2019-09-05
>
> - Advertise NBD_FLAG_CAN_MULTI_CONN on readonly images
> - Tolerate larger set of server error responses during handshake
> - More precision on handling fallocate() failures due to alignment
> - Better documentation of NBD connection URIs
> - Implement new extension NBD_CMD_FLAG_FAST_ZERO to benefit qemu-img convert
>
> ----------------------------------------------------------------
> Andrey Shinkevich (1):
>       block: workaround for unaligned byte range in fallocate()
>
> Eric Blake (8):
>       nbd: Advertise multi-conn for shared read-only connections
>       nbd: Use g_autofree in a few places
>       nbd: Tolerate more errors to structured reply request
>       docs: Update preferred NBD device syntax
>       nbd: Improve per-export flag handling in server
>       nbd: Prepare for NBD_CMD_FLAG_FAST_ZERO
>       nbd: Implement client use of NBD FAST_ZERO
>       nbd: Implement server use of NBD FAST_ZERO
>


Applied, thanks.

Please update the changelog at https://wiki.qemu.org/ChangeLog/4.2
for any user-visible changes.

-- PMM