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[Qemu-devel] [PATCH 1.1 0/6] block: drop useless checks for NULL
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 1.1 0/6] block: drop useless checks for NULL |
Date: |
Mon, 14 Nov 2011 17:50:48 +0100 |
After the coroutinization of the block layer, immediate failures
of an AIO operation will still return an AIOCB and only report
failure with a bottom half. This lets us remove a lot of dead
NULL checks (patches 1-5).
Patch 6 is on a similar theme, but a bit different.
Most "added" lines are actually just reindented.
Paolo Bonzini (6):
block: bdrv_aio_* do not return NULL
block: simplify failure handling for bdrv_aio_multiwrite
block: qemu_aio_get does not return NULL
dma: the passed io_func does not return NULL
block: dma_bdrv_* does not return NULL
block: avoid useless checks on acb->bh
block-migration.c | 13 ----------
block.c | 56 +++-----------------------------------------
block/blkverify.c | 24 ++++++------------
block/curl.c | 4 ---
block/qed-table.c | 22 +++++-----------
block/qed.c | 60 ++++++++++++----------------------------------
block/rbd.c | 3 --
block/vdi.c | 66 ++++++++++++++-------------------------------------
dma-helpers.c | 4 +--
hw/ide/atapi.c | 8 +-----
hw/ide/core.c | 13 +---------
hw/ide/macio.c | 11 +--------
hw/scsi-disk.c | 9 -------
hw/scsi-generic.c | 4 ---
hw/virtio-blk.c | 19 +++-----------
linux-aio.c | 2 -
posix-aio-compat.c | 4 ---
qemu-io.c | 39 ++++++------------------------
trace-events | 2 -
19 files changed, 69 insertions(+), 294 deletions(-)
--
1.7.7.1
- [Qemu-devel] [PATCH 1.1 0/6] block: drop useless checks for NULL,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 1.1 1/6] block: bdrv_aio_* do not return NULL, Paolo Bonzini, 2011/11/14
- [Qemu-devel] [PATCH 1.1 3/6] block: qemu_aio_get does not return NULL, Paolo Bonzini, 2011/11/14
- [Qemu-devel] [PATCH 1.1 2/6] block: simplify failure handling for bdrv_aio_multiwrite, Paolo Bonzini, 2011/11/14
- [Qemu-devel] [PATCH 1.1 4/6] dma: the passed io_func does not return NULL, Paolo Bonzini, 2011/11/14
- [Qemu-devel] [PATCH 1.1 5/6] block: dma_bdrv_* does not return NULL, Paolo Bonzini, 2011/11/14
- [Qemu-devel] [PATCH 1.1 6/6] block: avoid useless checks on acb->bh, Paolo Bonzini, 2011/11/14
- [Qemu-devel] [PATCH 1.1 v2] block: bdrv_aio_* do not return NULL, Paolo Bonzini, 2011/11/30
- Re: [Qemu-devel] [PATCH 1.1 0/6] block: drop useless checks for NULL, Paolo Bonzini, 2011/11/30