[v1] block/io: serialising request clean up and locking fix

[PATCH 0/3] block/io: serialising request clean up and locking fix

Paolo Bonzini posted 3 patches 4 years, 4 months ago

Diff against v2
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git fetch https://github.com/patchew-project/qemu tags/patchew/1576675026-25046-1-git-send-email-pbonzini@redhat.com

Maintainers: Stefan Hajnoczi <stefanha@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>, Fam Zheng <fam@euphon.net>

There is a newer version of this series

block/file-posix.c        |   1 -
block/io.c                | 161 +++++++++++++++++++++++-----------------------
include/block/block.h     |  12 ----
include/block/block_int.h |   3 +-
4 files changed, 80 insertions(+), 97 deletions(-)

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[PATCH 0/3] block/io: serialising request clean up and locking fix

Posted by Paolo Bonzini 4 years, 4 months ago

Peter Lieven noticed that reqs->overlap_offset and reqs->overlap_bytes
are written outside bs->reqs_lock.  Patch 3 fixes it, while patches 1
and 2 are preparatory cleanups.

Paolo Bonzini (3):
  block: eliminate BDRV_REQ_NO_SERIALISING
  block/io: wait for serialising requests when a request becomes
    serialising
  block/io: take bs->reqs_lock in bdrv_mark_request_serialising

 block/file-posix.c        |   1 -
 block/io.c                | 161 +++++++++++++++++++++++-----------------------
 include/block/block.h     |  12 ----
 include/block/block_int.h |   3 +-
 4 files changed, 80 insertions(+), 97 deletions(-)

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1.8.3.1