diff options
| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-05-02 17:11:19 -0400 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2023-05-10 20:50:38 +0300 |
| commit | a458252c16b26a783aef22767c2a35872b72885d (patch) | |
| tree | 7c8df132a24d38e1cd1be7d6bfeda808898c1538 /block | |
| parent | f6227dd60d75f8a709e70263478677ae4f3f1172 (diff) | |
block/export: call blk_set_dev_ops(blk, NULL, NULL)
Most export types install BlockDeviceOps pointers. It is easy to forget
to remove them because that happens automatically via the "drive" qdev
property in hw/ but not block/export/.
Put blk_set_dev_ops(blk, NULL, NULL) calls in the core export.c code so
the export types don't need to remember.
This fixes the nbd and vhost-user-blk export types.
Fixes: fd6afc501a01 ("nbd/server: Use drained block ops to quiesce the server")
Fixes: ca858a5fe94c ("vhost-user-blk-server: notify client about disk resize")
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20230502211119.720647-1-stefanha@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit de79b52604e43fdeba6cee4f5af600b62169f2d2)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'block')
| -rw-r--r-- | block/export/export.c | 2 | ||||
| -rw-r--r-- | block/export/vduse-blk.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/block/export/export.c b/block/export/export.c index 28a91c9c42..cdef298902 100644 --- a/block/export/export.c +++ b/block/export/export.c @@ -192,6 +192,7 @@ BlockExport *blk_exp_add(BlockExportOptions *export, Error **errp) return exp; fail: + blk_set_dev_ops(exp->blk, NULL, NULL); blk_unref(blk); aio_context_release(ctx); if (exp) { @@ -219,6 +220,7 @@ static void blk_exp_delete_bh(void *opaque) assert(exp->refcount == 0); QLIST_REMOVE(exp, next); exp->drv->delete(exp); + blk_set_dev_ops(exp->blk, NULL, NULL); blk_unref(exp->blk); qapi_event_send_block_export_deleted(exp->id); g_free(exp->id); diff --git a/block/export/vduse-blk.c b/block/export/vduse-blk.c index f7ae44e3ce..b53ef39da0 100644 --- a/block/export/vduse-blk.c +++ b/block/export/vduse-blk.c @@ -346,7 +346,6 @@ static void vduse_blk_exp_delete(BlockExport *exp) blk_remove_aio_context_notifier(exp->blk, blk_aio_attached, blk_aio_detach, vblk_exp); - blk_set_dev_ops(exp->blk, NULL, NULL); ret = vduse_dev_destroy(vblk_exp->dev); if (ret != -EBUSY) { unlink(vblk_exp->recon_file); |