qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Max Reitz <mreitz@redhat.com>
To: qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Alberto Garcia <berto@igalia.com>,
	qemu-devel@nongnu.org, Max Reitz <mreitz@redhat.com>
Subject: [PATCH 07/22] blkverify: Implement .bdrv_recurse_can_replace()
Date: Fri, 20 Sep 2019 17:27:49 +0200	[thread overview]
Message-ID: <20190920152804.12875-8-mreitz@redhat.com> (raw)
In-Reply-To: <20190920152804.12875-1-mreitz@redhat.com>

Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 block/blkverify.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/block/blkverify.c b/block/blkverify.c
index 304b0a1368..0add3ab483 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -282,6 +282,20 @@ static bool blkverify_recurse_is_first_non_filter(BlockDriverState *bs,
     return bdrv_recurse_is_first_non_filter(s->test_file->bs, candidate);
 }
 
+static bool blkverify_recurse_can_replace(BlockDriverState *bs,
+                                          BlockDriverState *to_replace)
+{
+    BDRVBlkverifyState *s = bs->opaque;
+
+    /*
+     * blkverify quits the whole qemu process if there is a mismatch
+     * between bs->file->bs and s->test_file->bs.  Therefore, we know
+     * know that both must match bs and we can recurse down to either.
+     */
+    return bdrv_recurse_can_replace(bs->file->bs, to_replace) ||
+           bdrv_recurse_can_replace(s->test_file->bs, to_replace);
+}
+
 static void blkverify_refresh_filename(BlockDriverState *bs)
 {
     BDRVBlkverifyState *s = bs->opaque;
@@ -328,6 +342,7 @@ static BlockDriver bdrv_blkverify = {
 
     .is_filter                        = true,
     .bdrv_recurse_is_first_non_filter = blkverify_recurse_is_first_non_filter,
+    .bdrv_recurse_can_replace         = blkverify_recurse_can_replace,
 };
 
 static void bdrv_blkverify_init(void)
-- 
2.21.0



  parent reply	other threads:[~2019-09-20 15:32 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-20 15:27 [PATCH 00/22] block: Fix check_to_replace_node() Max Reitz
2019-09-20 15:27 ` [PATCH 01/22] blockdev: Allow external snapshots everywhere Max Reitz
2019-09-25 11:45   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 02/22] blockdev: Allow resizing everywhere Max Reitz
2019-09-25 11:46   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 03/22] block: Drop bdrv_is_first_non_filter() Max Reitz
2019-09-25 11:46   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 04/22] iotests: Let 041 use -blockdev for quorum children Max Reitz
2019-09-25 11:51   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 05/22] quorum: Fix child permissions Max Reitz
2019-09-25 11:56   ` Vladimir Sementsov-Ogievskiy
2019-09-26 11:02     ` Max Reitz
2019-09-20 15:27 ` [PATCH 06/22] block: Add bdrv_recurse_can_replace() Max Reitz
2019-09-25 12:39   ` Vladimir Sementsov-Ogievskiy
2019-09-26 11:03     ` Max Reitz
2019-09-20 15:27 ` Max Reitz [this message]
2019-09-25 12:56   ` [PATCH 07/22] blkverify: Implement .bdrv_recurse_can_replace() Vladimir Sementsov-Ogievskiy
2019-09-26 11:06     ` Max Reitz
2019-09-20 15:27 ` [PATCH 08/22] quorum: Store children in own structure Max Reitz
2019-09-25 13:21   ` Vladimir Sementsov-Ogievskiy
2019-09-26 11:07     ` Max Reitz
2019-09-20 15:27 ` [PATCH 09/22] quorum: Add QuorumChild.to_be_replaced Max Reitz
2019-09-25 13:45   ` Vladimir Sementsov-Ogievskiy
2019-09-26 11:13     ` Max Reitz
2019-09-20 15:27 ` [PATCH 10/22] quorum: Implement .bdrv_recurse_can_replace() Max Reitz
2019-09-25 13:39   ` Vladimir Sementsov-Ogievskiy
2019-09-26 11:12     ` Max Reitz
2019-09-25 14:12   ` Vladimir Sementsov-Ogievskiy
2019-09-26 11:17     ` Max Reitz
2019-09-25 14:14   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 11/22] block: Use bdrv_recurse_can_replace() Max Reitz
2019-09-20 15:27 ` [PATCH 12/22] block: Remove bdrv_recurse_is_first_non_filter() Max Reitz
2019-09-25 14:16   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 13/22] mirror: Double-check immediately before replacing Max Reitz
2019-09-20 15:27 ` [PATCH 14/22] quorum: Stop marking it as a filter Max Reitz
2019-09-26 12:43   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 15/22] mirror: Prevent loops Max Reitz
2019-09-26 13:08   ` Vladimir Sementsov-Ogievskiy
2019-10-02 12:36     ` Max Reitz
2019-09-20 15:27 ` [PATCH 16/22] iotests: Use complete_and_wait() in 155 Max Reitz
2019-09-26 13:11   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:27 ` [PATCH 17/22] iotests: Add VM.assert_block_path() Max Reitz
2019-09-26 14:07   ` Vladimir Sementsov-Ogievskiy
2019-10-02 12:40     ` Max Reitz
2019-10-02 13:51       ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:28 ` [PATCH 18/22] iotests: Resolve TODOs in 041 Max Reitz
2019-09-26 14:09   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:28 ` [PATCH 19/22] iotests: Use self.image_len in TestRepairQuorum Max Reitz
2019-09-26 14:13   ` Vladimir Sementsov-Ogievskiy
2019-10-02 12:42     ` Max Reitz
2019-09-20 15:28 ` [PATCH 20/22] iotests: Add tests for invalid Quorum @replaces Max Reitz
2019-09-26 14:30   ` Vladimir Sementsov-Ogievskiy
2019-10-02 12:43     ` Max Reitz
2019-09-20 15:28 ` [PATCH 21/22] iotests: Check that @replaces can replace filters Max Reitz
2019-09-26 14:42   ` Vladimir Sementsov-Ogievskiy
2019-09-20 15:28 ` [PATCH 22/22] iotests: Mirror must not attempt to create loops Max Reitz
2019-09-26 15:03   ` Vladimir Sementsov-Ogievskiy
2019-10-02 12:46     ` Max Reitz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190920152804.12875-8-mreitz@redhat.com \
    --to=mreitz@redhat.com \
    --cc=berto@igalia.com \
    --cc=kwolf@redhat.com \
    --cc=qemu-block@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).