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| author | Max Reitz <mreitz@redhat.com> | 2019-06-12 17:47:37 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2020-09-07 12:31:31 +0200 |
| commit | 9a71b9de3f08941577a9760021f52771aaba4fa4 (patch) | |
| tree | 2af597e3b47d920f60c609b9c0ae45da2baf005e /block/block-backend.c | |
| parent | 2b088c60bbe59e4f48fede97263bb293bd38e43e (diff) | |
| download | qemu-9a71b9de3f08941577a9760021f52771aaba4fa4.zip qemu-9a71b9de3f08941577a9760021f52771aaba4fa4.tar.gz qemu-9a71b9de3f08941577a9760021f52771aaba4fa4.tar.bz2 | |
commit: Deal with filters
This includes some permission limiting (for example, we only need to
take the RESIZE permission if the base is smaller than the top).
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/block-backend.c')
| -rw-r--r-- | block/block-backend.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 3a13cb5..24dd067 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2279,10 +2279,13 @@ int blk_commit_all(void) while ((blk = blk_all_next(blk)) != NULL) { AioContext *aio_context = blk_get_aio_context(blk); + BlockDriverState *unfiltered_bs = bdrv_skip_filters(blk_bs(blk)); aio_context_acquire(aio_context); - if (blk_is_inserted(blk) && blk->root->bs->backing) { - int ret = bdrv_commit(blk->root->bs); + if (blk_is_inserted(blk) && bdrv_cow_child(unfiltered_bs)) { + int ret; + + ret = bdrv_commit(unfiltered_bs); if (ret < 0) { aio_context_release(aio_context); return ret; |