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[Qemu-devel] [PATCH v2 0/7] finish coroutinization of drivers
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH v2 0/7] finish coroutinization of drivers |
Date: |
Thu, 20 Oct 2011 13:16:18 +0200 |
Drivers that only implement the bdrv_read and bdrv_write callbacks
were unwillingly converted to be reentrant when bdrv_read and
bdrv_write were changed to always create coroutines. So,
we need locks aroudn read and write operations.
This series does this (patches 4-6) and removes the flush/discard
callbacks that, as it turns out, are really duplicates of co_flush
and co_discard (patches 7-8).
Patches 1-2 are cleanups that I discovered while testing.
v1->v2: rwlock->mutex, convert read-only drivers too, drop vpc change
Paolo Bonzini (7):
vmdk: fix return values of vmdk_parent_open
vmdk: clean up open
block: add a CoMutex to synchronous read drivers
block: take lock around bdrv_read implementations
block: take lock around bdrv_write implementations
block: change flush to co_flush
block: change discard to co_discard
block.c | 4 --
block/bochs.c | 15 +++++++++-
block/cloop.c | 15 +++++++++-
block/cow.c | 34 ++++++++++++++++++---
block/dmg.c | 15 +++++++++-
block/nbd.c | 28 +++++++++++++++++-
block/parallels.c | 15 +++++++++-
block/qcow.c | 11 +++----
block/qcow2.c | 28 +++++++++++-------
block/raw-posix.c | 5 ++-
block/raw-win32.c | 4 +-
block/rbd.c | 4 +-
block/vdi.c | 6 ++--
block/vmdk.c | 82 +++++++++++++++++++++++++++++++++--------------------
block/vpc.c | 34 ++++++++++++++++++---
block/vvfat.c | 28 +++++++++++++++++-
block_int.h | 3 --
17 files changed, 249 insertions(+), 82 deletions(-)
--
1.7.6
- [Qemu-devel] [PATCH v2 0/7] finish coroutinization of drivers,
Paolo Bonzini <=
- [Qemu-devel] [PATCH v2 1/7] vmdk: fix return values of vmdk_parent_open, Paolo Bonzini, 2011/10/20
- [Qemu-devel] [PATCH v2 2/7] vmdk: clean up open, Paolo Bonzini, 2011/10/20
- [Qemu-devel] [PATCH v2 3/7] block: add a CoMutex to synchronous read drivers, Paolo Bonzini, 2011/10/20
- [Qemu-devel] [PATCH v2 4/7] block: take lock around bdrv_read implementations, Paolo Bonzini, 2011/10/20
- [Qemu-devel] [PATCH v2 5/7] block: take lock around bdrv_write implementations, Paolo Bonzini, 2011/10/20
- [Qemu-devel] [PATCH v2 6/7] block: change flush to co_flush, Paolo Bonzini, 2011/10/20
- [Qemu-devel] [PATCH v2 7/7] block: change discard to co_discard, Paolo Bonzini, 2011/10/20
- Re: [Qemu-devel] [PATCH v2 0/7] finish coroutinization of drivers, Kevin Wolf, 2011/10/21