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block: Eliminate DriveInfo member bdrv, use blk_by_legacy_dinfo()

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The patch is big, but all it really does is replacing

    dinfo->bdrv

by

    blk_bs(blk_by_legacy_dinfo(dinfo))

The replacement is repetitive, but the conversion of device models to
BlockBackend is imminent, and will shorten it to just
blk_legacy_dinfo(dinfo).

Line wrapping muddies the waters a bit.  I also omit tests whether
dinfo->bdrv is null, because it never is.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:13 +02:00 • committed by Kevin Wolf
parent 7f06d47eff
commit fa1d36df74
44 changed files with 168 additions and 96 deletions
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7
hw/sd/milkymist-memcard.c
View file

@ -26,6 +26,7 @@
#include "sysemu/sysemu.h"
#include "trace.h"
#include "qemu/error-report.h"
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h"
#include "hw/sd.h"
@ -252,14 +253,16 @@ static int milkymist_memcard_init(SysBusDevice *dev)
{
MilkymistMemcardState *s = MILKYMIST_MEMCARD(dev);
DriveInfo *dinfo;
BlockDriverState *bs;
dinfo = drive_get_next(IF_SD);
s->card = sd_init(dinfo ? dinfo->bdrv : NULL, false);
bs = dinfo ? blk_bs(blk_by_legacy_dinfo(dinfo)) : NULL;
s->card = sd_init(bs, false);
if (s->card == NULL) {
return -1;
}
s->enabled = dinfo ? bdrv_is_inserted(dinfo->bdrv) : 0;
s->enabled = bs && bdrv_is_inserted(bs);
memory_region_init_io(&s->regs_region, OBJECT(s), &memcard_mmio_ops, s,
"milkymist-memcard", R_MAX * 4);