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block: Always pass NULL as drv for bdrv_open()

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Change all callers of bdrv_open() to pass the driver name in the options
QDict instead of passing its BlockDriver pointer.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2015-08-26 19:47:48 +02:00 • committed by Kevin Wolf
parent 2b750d9d26
commit e6641719fe
4 changed files with 57 additions and 63 deletions
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8
block/vvfat.c
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@ -2926,6 +2926,8 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
QemuOpts *opts = NULL;
int ret;
int size = sector2cluster(s, s->sector_count);
QDict *options;
s->used_clusters = calloc(size, 1);
array_init(&(s->commits), sizeof(commit_t));
@ -2956,9 +2958,11 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
}
s->qcow = NULL;
ret = bdrv_open(&s->qcow, s->qcow_filename, NULL, NULL,
options = qdict_new();
qdict_put(options, "driver", qstring_from_str("qcow"));
ret = bdrv_open(&s->qcow, s->qcow_filename, NULL, options,
BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH,
bdrv_qcow, errp);
NULL, errp);
if (ret < 0) {
goto err;
}