diff options
| -rw-r--r-- | block.c | 18 | ||||
| -rw-r--r-- | migration.c | 1 | ||||
| -rw-r--r-- | nbd.c | 6 |
3 files changed, 11 insertions, 14 deletions
diff --git a/block.c b/block.c index d3aebeb050..27533f3a81 100644 --- a/block.c +++ b/block.c @@ -5043,6 +5043,11 @@ void bdrv_invalidate_cache(BlockDriverState *bs, Error **errp) return; } + if (!(bs->open_flags & BDRV_O_INCOMING)) { + return; + } + bs->open_flags &= ~BDRV_O_INCOMING; + if (bs->drv->bdrv_invalidate_cache) { bs->drv->bdrv_invalidate_cache(bs, &local_err); } else if (bs->file) { @@ -5078,19 +5083,6 @@ void bdrv_invalidate_cache_all(Error **errp) } } -void bdrv_clear_incoming_migration_all(void) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, device_list) { - AioContext *aio_context = bdrv_get_aio_context(bs); - - aio_context_acquire(aio_context); - bs->open_flags = bs->open_flags & ~(BDRV_O_INCOMING); - aio_context_release(aio_context); - } -} - int bdrv_flush(BlockDriverState *bs) { Coroutine *co; diff --git a/migration.c b/migration.c index 8d675b31a1..c49a05a165 100644 --- a/migration.c +++ b/migration.c @@ -103,7 +103,6 @@ static void process_incoming_migration_co(void *opaque) } qemu_announce_self(); - bdrv_clear_incoming_migration_all(); /* Make sure all file formats flush their mutable metadata */ bdrv_invalidate_cache_all(&local_err); if (local_err) { diff --git a/nbd.c b/nbd.c index e9b539be58..a7bce45117 100644 --- a/nbd.c +++ b/nbd.c @@ -972,6 +972,12 @@ NBDExport *nbd_export_new(BlockDriverState *bs, off_t dev_offset, exp->ctx = bdrv_get_aio_context(bs); bdrv_ref(bs); bdrv_add_aio_context_notifier(bs, bs_aio_attached, bs_aio_detach, exp); + /* + * NBD exports are used for non-shared storage migration. Make sure + * that BDRV_O_INCOMING is cleared and the image is ready for write + * access since the export could be available before migration handover. + */ + bdrv_invalidate_cache(bs, NULL); return exp; } |