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blockdev: Eliminate drive_del()

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drive_del() has become a trivial wrapper around blk_unref().  Get rid
of it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:09 +02:00 committed by Kevin Wolf
parent 9ba10c95a4
commit b9fe8a7a12
4 changed files with 7 additions and 10 deletions
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9
blockdev.c
View File

@ -134,7 +134,7 @@ void blockdev_auto_del(BlockDriverState *bs)
DriveInfo *dinfo = blk_legacy_dinfo(blk); DriveInfo *dinfo = blk_legacy_dinfo(blk);
if (dinfo && dinfo->auto_del) { if (dinfo && dinfo->auto_del) {
drive_del(dinfo); blk_unref(blk);
} }
} }
@ -276,11 +276,6 @@ static void bdrv_format_print(void *opaque, const char *name)
error_printf(" %s", name); error_printf(" %s", name);
} }
void drive_del(DriveInfo *dinfo)
{
blk_unref(dinfo->bdrv->blk);
}
typedef struct { typedef struct {
QEMUBH *bh; QEMUBH *bh;
BlockDriverState *bs; BlockDriverState *bs;
@ -1867,7 +1862,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
bdrv_set_on_error(bs, BLOCKDEV_ON_ERROR_REPORT, bdrv_set_on_error(bs, BLOCKDEV_ON_ERROR_REPORT,
BLOCKDEV_ON_ERROR_REPORT); BLOCKDEV_ON_ERROR_REPORT);
} else { } else {
drive_del(dinfo); blk_unref(blk);
} }
aio_context_release(aio_context); aio_context_release(aio_context);

3
device-hotplug.c
View File

@ -24,6 +24,7 @@
#include "hw/hw.h" #include "hw/hw.h"
#include "hw/boards.h" #include "hw/boards.h"
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h" #include "sysemu/blockdev.h"
#include "qemu/config-file.h" #include "qemu/config-file.h"
#include "sysemu/sysemu.h" #include "sysemu/sysemu.h"
@ -76,6 +77,6 @@ void drive_hot_add(Monitor *mon, const QDict *qdict)
err: err:
if (dinfo) { if (dinfo) {
drive_del(dinfo); blk_unref(blk_by_legacy_dinfo(dinfo));
} }
} }

4
hw/ide/piix.c
View File

@ -27,6 +27,7 @@
#include <hw/i386/pc.h> #include <hw/i386/pc.h>
#include <hw/pci/pci.h> #include <hw/pci/pci.h>
#include <hw/isa/isa.h> #include <hw/isa/isa.h>
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h" #include "sysemu/blockdev.h"
#include "sysemu/sysemu.h" #include "sysemu/sysemu.h"
#include "sysemu/dma.h" #include "sysemu/dma.h"
@ -178,12 +179,13 @@ int pci_piix3_xen_ide_unplug(DeviceState *dev)
for (; i < 3; i++) { for (; i < 3; i++) {
di = drive_get_by_index(IF_IDE, i); di = drive_get_by_index(IF_IDE, i);
if (di != NULL && !di->media_cd) { if (di != NULL && !di->media_cd) {
BlockBackend *blk = blk_by_legacy_dinfo(di);
DeviceState *ds = bdrv_get_attached_dev(di->bdrv); DeviceState *ds = bdrv_get_attached_dev(di->bdrv);
if (ds) { if (ds) {
bdrv_detach_dev(di->bdrv, ds); bdrv_detach_dev(di->bdrv, ds);
} }
pci_ide->bus[di->bus].ifs[di->unit].bs = NULL; pci_ide->bus[di->bus].ifs[di->unit].bs = NULL;
drive_del(di); blk_unref(blk);
} }
} }
qdev_reset_all(DEVICE(dev)); qdev_reset_all(DEVICE(dev));

1
include/sysemu/blockdev.h
View File

@ -64,7 +64,6 @@ QemuOpts *drive_def(const char *optstr);
QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
const char *optstr); const char *optstr);
DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type); DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type);
void drive_del(DriveInfo *dinfo);
/* device-hotplug */ /* device-hotplug */