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block: Purify .bdrv_refresh_filename()

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Currently, BlockDriver.bdrv_refresh_filename() is supposed to both
refresh the filename (BDS.exact_filename) and set BDS.full_open_options.
Now that we have generic code in the central bdrv_refresh_filename() for
creating BDS.full_open_options, we can drop the latter part from all
BlockDriver.bdrv_refresh_filename() implementations.

This also means that we can drop all of the existing default code for
this from the global bdrv_refresh_filename() itself.

Furthermore, we now have to call BlockDriver.bdrv_refresh_filename()
after having set BDS.full_open_options, because the block driver's
implementation should now be allowed to depend on BDS.full_open_options
being set correctly.

Finally, with this patch we can drop the @options parameter from
BlockDriver.bdrv_refresh_filename(); also, add a comment on this
function's purpose in block/block_int.h while touching its interface.

This completely obsoletes blklogwrite's implementation of
.bdrv_refresh_filename().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190201192935.18394-25-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2019-02-01 20:29:28 +01:00
parent 97e2f021f8
commit 998b3a1e5a
14 changed files with 79 additions and 289 deletions
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16
block/blkverify.c
View file

@ -281,24 +281,10 @@ static bool blkverify_recurse_is_first_non_filter(BlockDriverState *bs,
return bdrv_recurse_is_first_non_filter(s->test_file->bs, candidate);
}
static void blkverify_refresh_filename(BlockDriverState *bs, QDict *options)
static void blkverify_refresh_filename(BlockDriverState *bs)
{
BDRVBlkverifyState *s = bs->opaque;
if (bs->file->bs->full_open_options
&& s->test_file->bs->full_open_options)
{
QDict *opts = qdict_new();
qdict_put_str(opts, "driver", "blkverify");
qdict_put(opts, "raw",
qobject_ref(bs->file->bs->full_open_options));
qdict_put(opts, "test",
qobject_ref(s->test_file->bs->full_open_options));
bs->full_open_options = opts;
}
if (bs->file->bs->exact_filename[0]
&& s->test_file->bs->exact_filename[0])
{