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hw/block: Request permissions

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This makes all device emulations with a qdev drive property request
permissions on their BlockBackend. The only thing we block at this point
is resizing images for some devices that can't support it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2017-01-24 13:43:31 +01:00
parent 39829a01ae
commit a17c17a274
17 changed files with 142 additions and 27 deletions
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9
hw/scsi/scsi-disk.c
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@ -2328,7 +2328,13 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
return;
}
}
blkconf_apply_backend_options(&dev->conf);
blkconf_apply_backend_options(&dev->conf,
blk_is_read_only(s->qdev.conf.blk),
dev->type == TYPE_DISK, &err);
if (err) {
error_propagate(errp, err);
return;
}
if (s->qdev.conf.discard_granularity == -1) {
s->qdev.conf.discard_granularity =
@ -2380,7 +2386,6 @@ static void scsi_cd_realize(SCSIDevice *dev, Error **errp)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
if (!dev->conf.blk) {
/* FIXME Use real permissions */
dev->conf.blk = blk_new(0, BLK_PERM_ALL);
}