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| author | Peter Maydell <peter.maydell@linaro.org> | 2020-07-14 19:39:51 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-07-14 19:39:52 +0100 |
| commit | d2628b1eb761a5fbf08f367da405eb3314a1f068 (patch) | |
| tree | 9440d1c39e48e0ee008b3bc5195a6c6a8c2b87d4 /block/block-backend.c | |
| parent | aeb07b5f6e69ce93afea71027325e3e7a22d2149 (diff) | |
| parent | e6cada9231af022ffc2e351c70dfaea8530496e1 (diff) | |
| download | qemu-d2628b1eb761a5fbf08f367da405eb3314a1f068.zip qemu-d2628b1eb761a5fbf08f367da405eb3314a1f068.tar.gz qemu-d2628b1eb761a5fbf08f367da405eb3314a1f068.tar.bz2 | |
Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches:
- file-posix: Mitigate file fragmentation with extent size hints
- Tighten qemu-img rules on missing backing format
- qemu-img map: Don't limit block status request size
- Fix crash with virtio-scsi and iothreads
# gpg: Signature made Tue 14 Jul 2020 14:24:19 BST
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream:
block: Avoid stale pointer dereference in blk_get_aio_context()
qemu-img: Deprecate use of -b without -F
block: Add support to warn on backing file change without format
iotests: Specify explicit backing format where sensible
qcow2: Deprecate use of qemu-img amend to change backing file
block: Error if backing file fails during creation without -u
qcow: Tolerate backing_fmt=
vmdk: Add trivial backing_fmt support
sheepdog: Add trivial backing_fmt support
block: Finish deprecation of 'qemu-img convert -n -o'
qemu-img: Flush stdout before before potential stderr messages
file-posix: Mitigate file fragmentation with extent size hints
iotests/059: Filter out disk size with more standard filter
qemu-img map: Don't limit block status request size
iotests: Simplify _filter_img_create() a bit
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'block/block-backend.c')
| -rw-r--r-- | block/block-backend.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 6936b25..0bf0188 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -808,6 +808,7 @@ void blk_remove_bs(BlockBackend *blk) { ThrottleGroupMember *tgm = &blk->public.throttle_group_member; BlockDriverState *bs; + BdrvChild *root; notifier_list_notify(&blk->remove_bs_notifiers, blk); if (tgm->throttle_state) { @@ -825,8 +826,9 @@ void blk_remove_bs(BlockBackend *blk) * to avoid that and a potential QEMU crash. */ blk_drain(blk); - bdrv_root_unref_child(blk->root); + root = blk->root; blk->root = NULL; + bdrv_root_unref_child(root); } /* |