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Block patches

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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches

# gpg: Signature made Fri 12 Sep 2014 16:09:43 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (22 commits)
  qcow2: Add falloc and full preallocation option
  raw-posix: Add falloc and full preallocation option
  qapi: introduce PreallocMode and new PreallocModes full and falloc.
  block: don't convert file size to sector size
  block: round up file size to nearest sector
  iotests: Send the correct fd in socket_scm_helper
  blockdev: Refuse to drive_del something added with blockdev-add
  block: extend BLOCK_IO_ERROR with reason string
  dataplane: fix virtio_blk_data_plane_create() op blocker error path
  qemu-iotests: Run 025 for Archipelago block driver
  block/archipelago: Implement bdrv_truncate()
  block: Make the block accounting functions operate on BlockAcctStats
  block: rename BlockAcctType members to start with BLOCK_ instead of BDRV_
  block: Extract the block accounting code
  block: Extract the BlockAcctStats structure
  IDE: MMIO IDE device control should be little endian
  thread-pool: Drop unnecessary includes
  xen: Drop redundant bdrv_close() from pci_piix3_xen_ide_unplug()
  xen_disk: Plug memory leak on error path
  qemu-io: Clean up openfile() after commit 2e40134
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-09-15 17:35:21 +01:00
commit f2bcdc8de0
53 changed files with 709 additions and 284 deletions
Download patch file Download diff file Expand all files Collapse all files

57
include/block/accounting.h Normal file
View file

@ -0,0 +1,57 @@
/*
* QEMU System Emulator block accounting
*
* Copyright (c) 2011 Christoph Hellwig
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef BLOCK_ACCOUNTING_H
#define BLOCK_ACCOUNTING_H
#include <stdint.h>
#include "qemu/typedefs.h"
enum BlockAcctType {
BLOCK_ACCT_READ,
BLOCK_ACCT_WRITE,
BLOCK_ACCT_FLUSH,
BLOCK_MAX_IOTYPE,
};
typedef struct BlockAcctStats {
uint64_t nr_bytes[BLOCK_MAX_IOTYPE];
uint64_t nr_ops[BLOCK_MAX_IOTYPE];
uint64_t total_time_ns[BLOCK_MAX_IOTYPE];
uint64_t wr_highest_sector;
} BlockAcctStats;
typedef struct BlockAcctCookie {
int64_t bytes;
int64_t start_time_ns;
enum BlockAcctType type;
} BlockAcctCookie;
void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,
int64_t bytes, enum BlockAcctType type);
void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie);
void block_acct_highest_sector(BlockAcctStats *stats, int64_t sector_num,
unsigned int nb_sectors);
#endif

20
include/block/block.h
View file

@ -5,6 +5,7 @@
#include "qemu-common.h"
#include "qemu/option.h"
#include "block/coroutine.h"
#include "block/accounting.h"
#include "qapi/qmp/qobject.h"
#include "qapi-types.h"
@ -485,23 +486,6 @@ void bdrv_op_block_all(BlockDriverState *bs, Error *reason);
void bdrv_op_unblock_all(BlockDriverState *bs, Error *reason);
bool bdrv_op_blocker_is_empty(BlockDriverState *bs);
enum BlockAcctType {
BDRV_ACCT_READ,
BDRV_ACCT_WRITE,
BDRV_ACCT_FLUSH,
BDRV_MAX_IOTYPE,
};
typedef struct BlockAcctCookie {
int64_t bytes;
int64_t start_time_ns;
enum BlockAcctType type;
} BlockAcctCookie;
void bdrv_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie,
int64_t bytes, enum BlockAcctType type);
void bdrv_acct_done(BlockDriverState *bs, BlockAcctCookie *cookie);
typedef enum {
BLKDBG_L1_UPDATE,
@ -591,4 +575,6 @@ void bdrv_io_plug(BlockDriverState *bs);
void bdrv_io_unplug(BlockDriverState *bs);
void bdrv_flush_io_queue(BlockDriverState *bs);
BlockAcctStats *bdrv_get_stats(BlockDriverState *bs);
#endif

6
include/block/block_int.h
View file

@ -24,6 +24,7 @@
#ifndef BLOCK_INT_H
#define BLOCK_INT_H
#include "block/accounting.h"
#include "block/block.h"
#include "qemu/option.h"
#include "qemu/queue.h"
@ -359,10 +360,7 @@ struct BlockDriverState {
bool io_limits_enabled;
/* I/O stats (display with "info blockstats"). */
uint64_t nr_bytes[BDRV_MAX_IOTYPE];
uint64_t nr_ops[BDRV_MAX_IOTYPE];
uint64_t total_time_ns[BDRV_MAX_IOTYPE];
uint64_t wr_highest_sector;
BlockAcctStats stats;
/* I/O Limits */
BlockLimits bl;

6
include/block/thread-pool.h
View file

@ -18,11 +18,7 @@
#ifndef QEMU_THREAD_POOL_H
#define QEMU_THREAD_POOL_H 1
#include "qemu-common.h"
#include "qemu/queue.h"
#include "qemu/thread.h"
#include "block/coroutine.h"
#include "block/block_int.h"
#include "block/block.h"
typedef int ThreadPoolFunc(void *opaque);

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

@ -18,6 +18,7 @@
#include "hw/block/block.h"
#include "sysemu/iothread.h"
#include "block/block.h"
#include "block/accounting.h"
#define TYPE_VIRTIO_BLK "virtio-blk-device"
#define VIRTIO_BLK(obj) \

1
include/sysemu/dma.h
View file

@ -15,6 +15,7 @@
#include "exec/address-spaces.h"
#include "hw/hw.h"
#include "block/block.h"
#include "block/accounting.h"
#include "sysemu/kvm.h"
typedef struct ScatterGatherEntry ScatterGatherEntry;