[PATCH v3 00/17] 64bit block-layer

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

Hi all!

We want 64bit write-zeroes, and for this, convert all io functions to
64bit.

We chose signed type, to be consistent with off_t (which is signed) and
with possibility for signed return type (where negative value means
error).

Please refer to initial cover-letter 
 https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08723.html
for more info.

v3 is available at
 https://src.openvz.org/scm/~vsementsov/qemu.git #tag up-64bit-block-layer-v3

v3: Based on "[PATCH v2 0/9] block/io: safer inc/dec in_flight sections"
Add Eric's r-bs, improve commit message with short reasoning of the whole
thing, and Eric's audits (if you don't like something, I'll change or drop for
next series).

Add "Series:" tag to each patch. Just an idea, if it's inappropriate thing,
I'll drop it.

01: add assertion that bytes > 0
02: fix indentation
06: refactor calculations in bdrv_co_write_req_prepare
09,10: simple rebase conflicts solved

Also, cover more drivers by driver-updating patches and fix int flags
to be BdrvRequestFlags flags.

Based-on: <20200427143907.5710-1-vsementsov@virtuozzo.com>
Series: 64bit-block-status

Vladimir Sementsov-Ogievskiy (17):
  block/throttle-groups: throttle_group_co_io_limits_intercept(): 64bit
    bytes
  block: use int64_t as bytes type in tracked requests
  block/io: use int64_t bytes parameter in bdrv_check_byte_request()
  block/io: use int64_t bytes in driver wrappers
  block/io: support int64_t bytes in bdrv_co_do_pwrite_zeroes()
  block/io: support int64_t bytes in bdrv_aligned_pwritev()
  block/io: support int64_t bytes in bdrv_co_do_copy_on_readv()
  block/io: support int64_t bytes in bdrv_aligned_preadv()
  block/io: support int64_t bytes in bdrv_co_p{read,write}v_part()
  block/io: support int64_t bytes in read/write wrappers
  block/io: use int64_t bytes in copy_range
  block/block-backend: convert blk io path to use int64_t parameters
  block: use int64_t instead of uint64_t in driver read handlers
  block: use int64_t instead of uint64_t in driver write handlers
  block: use int64_t instead of uint64_t in copy_range driver handlers
  block: use int64_t instead of int in driver write_zeroes handlers
  block: use int64_t instead of int in driver discard handlers

 include/block/block.h           |  17 +++--
 include/block/block_int.h       |  67 ++++++++---------
 include/block/throttle-groups.h |   2 +-
 include/sysemu/block-backend.h  |  26 +++----
 block/backup-top.c              |  14 ++--
 block/blkdebug.c                |  12 +--
 block/blklogwrites.c            |  16 ++--
 block/blkreplay.c               |   8 +-
 block/blkverify.c               |  10 +--
 block/block-backend.c           |  60 +++++++--------
 block/bochs.c                   |   4 +-
 block/cloop.c                   |   4 +-
 block/commit.c                  |   2 +-
 block/copy-on-read.c            |  14 ++--
 block/crypto.c                  |   8 +-
 block/curl.c                    |   3 +-
 block/dmg.c                     |   4 +-
 block/file-posix.c              |  46 ++++++++----
 block/file-win32.c              |   8 +-
 block/filter-compress.c         |  15 ++--
 block/gluster.c                 |  14 ++--
 block/io.c                      | 126 +++++++++++++++++---------------
 block/iscsi.c                   |  34 ++++++---
 block/mirror.c                  |   8 +-
 block/nbd.c                     |  18 +++--
 block/nfs.c                     |  12 +--
 block/null.c                    |  18 +++--
 block/nvme.c                    |  38 +++++++---
 block/qcow.c                    |  16 ++--
 block/qcow2.c                   |  34 +++++----
 block/qed.c                     |  17 ++++-
 block/quorum.c                  |   9 ++-
 block/raw-format.c              |  36 ++++-----
 block/rbd.c                     |  10 ++-
 block/sheepdog.c                |  11 ++-
 block/throttle-groups.c         |   5 +-
 block/throttle.c                |  14 ++--
 block/vdi.c                     |   8 +-
 block/vmdk.c                    |  14 ++--
 block/vpc.c                     |   8 +-
 block/vvfat.c                   |  12 +--
 block/vxhs.c                    |   8 +-
 tests/test-bdrv-drain.c         |  16 ++--
 tests/test-block-iothread.c     |  19 +++--
 block/trace-events              |  14 ++--
 45 files changed, 488 insertions(+), 371 deletions(-)

-- 
2.21.0