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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Tue 07 Jun 2016 15:26:09 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request:
  throttle: refuse iops-size without iops-total/read/write
  block: Drop bdrv_ioctl_bh_cb
  block: Move BlockRequest type to io.c
  block/io: optimize bdrv_co_pwritev for small requests
  iostatus: fix comments for block_job_iostatus_reset
  block/io: Remove unused bdrv_aio_write_zeroes()
  virtio: drop duplicate virtio_queue_get_id() function
  virtio-scsi: Remove op blocker for dataplane
  virtio-blk: Remove op blocker for dataplane
  blockdev-backup: Don't move target AioContext if it's attached
  blockdev-backup: Use bdrv_lookup_bs on target
  tests: avoid coroutine pool test crash

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-06-07 15:59:28 +01:00
commit 40eeb397c8
15 changed files with 74 additions and 248 deletions
Download patch file Download diff file Expand all files Collapse all files

24
include/block/block.h
View file

@ -229,9 +229,6 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, BdrvRequestFlags flags);
BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, BdrvRequestFlags flags,
BlockCompletionFunc *cb, void *opaque);
int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags);
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf, int count);
@ -323,27 +320,6 @@ BlockAIOCB *bdrv_aio_discard(BlockDriverState *bs,
void bdrv_aio_cancel(BlockAIOCB *acb);
void bdrv_aio_cancel_async(BlockAIOCB *acb);
typedef struct BlockRequest {
/* Fields to be filled by caller */
union {
struct {
int64_t sector;
int nb_sectors;
int flags;
QEMUIOVector *qiov;
};
struct {
int req;
void *buf;
};
};
BlockCompletionFunc *cb;
void *opaque;
/* Filled by block layer */
int error;
} BlockRequest;
/* sg packet commands */
int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf);
BlockAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,

2
include/block/blockjob.h
View file

@ -397,7 +397,7 @@ int block_job_complete_sync(BlockJob *job, Error **errp);
* @job: The job whose I/O status should be reset.
*
* Reset I/O status on @job and on BlockDriverState objects it uses,
* other than job->bs.
* other than job->blk.
*/
void block_job_iostatus_reset(BlockJob *job);

11
include/hw/virtio/virtio-scsi.h
View file

@ -68,13 +68,6 @@ typedef struct VirtIOSCSICommon {
VirtQueue **cmd_vqs;
} VirtIOSCSICommon;
typedef struct VirtIOSCSIBlkChangeNotifier {
Notifier n;
struct VirtIOSCSI *s;
SCSIDevice *sd;
QTAILQ_ENTRY(VirtIOSCSIBlkChangeNotifier) next;
} VirtIOSCSIBlkChangeNotifier;
typedef struct VirtIOSCSI {
VirtIOSCSICommon parent_obj;
@ -85,14 +78,10 @@ typedef struct VirtIOSCSI {
/* Fields for dataplane below */
AioContext *ctx; /* one iothread per virtio-scsi-pci for now */
QTAILQ_HEAD(, VirtIOSCSIBlkChangeNotifier) insert_notifiers;
QTAILQ_HEAD(, VirtIOSCSIBlkChangeNotifier) remove_notifiers;
bool dataplane_started;
bool dataplane_starting;
bool dataplane_stopping;
bool dataplane_fenced;
Error *blocker;
uint32_t host_features;
} VirtIOSCSI;

1
include/hw/virtio/virtio.h
View file

@ -243,7 +243,6 @@ void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx);
void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n);
VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n);
uint16_t virtio_get_queue_index(VirtQueue *vq);
int virtio_queue_get_id(VirtQueue *vq);
EventNotifier *virtio_queue_get_guest_notifier(VirtQueue *vq);
void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign,
bool with_irqfd);