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Re: [Qemu-block] [Qemu-devel] [PATCH 16/17] block: protect modification
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 16/17] block: protect modification of dirty bitmaps with a mutex |
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Date: |
Thu, 20 Apr 2017 09:42:43 -0500 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.0 |
On 04/20/2017 07:00 AM, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
> block/dirty-bitmap.c | 74
> +++++++++++++++++++++++++++++++++++++++++---
> block/mirror.c | 11 +++++--
> include/block/block_int.h | 4 +--
> include/block/dirty-bitmap.h | 23 +++++++++++---
> 4 files changed, 97 insertions(+), 15 deletions(-)
Fun conflicts with my pending patches to switch dirty-bitmap to be
byte-based instead of sector-based. I doubt the computer will be able to
resolve nicely, but I think rebasing by hand should be pretty doable, no
matter which of our patches lands first.
https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg02163.html
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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- [Qemu-block] [PATCH 02/17] block: access quiesce_counter with atomic ops, (continued)
- [Qemu-block] [PATCH 02/17] block: access quiesce_counter with atomic ops, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 11/17] block: access write_gen with atomics, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 13/17] coroutine-lock: introduce qemu_co_mutex_lock_unlock, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 03/17] block: access io_limits_disabled with atomic ops, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 04/17] block: access serialising_in_flight with atomic ops, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 15/17] block: introduce dirty_bitmap_mutex, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 12/17] block: protect tracked_requests and flush_queue with reqs_lock, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 17/17] block: make accounting thread-safe, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 14/17] block: optimize access to reqs_lock, Paolo Bonzini, 2017/04/20
- [Qemu-block] [PATCH 16/17] block: protect modification of dirty bitmaps with a mutex, Paolo Bonzini, 2017/04/20
- Re: [Qemu-block] [Qemu-devel] [PATCH 16/17] block: protect modification of dirty bitmaps with a mutex,
Eric Blake <=
- Re: [Qemu-block] [Qemu-devel] [PATCH for 2.10 00/17] Block layer thread safety, part 1, no-reply, 2017/04/20
- Re: [Qemu-block] [Qemu-devel] [PATCH for 2.10 00/17] Block layer thread safety, part 1, no-reply, 2017/04/20