OpenE2K/qemu-e2k
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e1be98540e
qemu-e2k/block
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Alberto Garcia 20509c4b8b block: freeze the backing chain earlier in stream_start() 
Commit 6585493369 added code to freeze
the backing chain from 'top' to 'base' for the duration of the
block-stream job.

The problem is that the freezing happens too late in stream_start():
during the bdrv_reopen_set_read_only() call earlier in that function
another job can jump in and remove the base image. If that happens we
have an invalid chain and QEMU crashes.

This patch puts the bdrv_freeze_backing_chain() call at the beginning
of the function.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-04-02 12:04:44 +02:00
..
accounting.c
backup.c block/backup: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
blkdebug.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
blklogwrites.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
blkreplay.c
blkverify.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
block-backend.c block: Add bdrv_get_request_alignment() 2019-04-01 08:46:52 -05:00
bochs.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
cloop.c
commit.c block: Freeze the backing chain for the duration of the commit job 2019-03-12 20:30:14 +01:00
copy-on-read.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
create.c
crypto.c block: Make bdrv_{copy_on_read,crypto_luks,replication} static 2019-03-19 15:49:29 +01:00
crypto.h
curl.c block/curl: Implement bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
dirty-bitmap.c bitmaps: Fix typo in function name 2019-03-12 12:05:49 -04:00
dmg-bz2.c
dmg-lzfse.c
dmg.c
dmg.h
file-posix.c block/file-posix: do not fail on unlock bytes 2019-04-02 12:04:44 +02:00
file-win32.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
gluster.c block/gluster: limit the transfer size to 512 MiB 2019-04-02 12:04:44 +02:00
io.c block: Add BDRV_REQ_NO_FALLBACK 2019-03-26 11:37:51 +01:00
iscsi-opts.c
iscsi.c block/iscsi: Restrict Linux-specific code 2019-03-11 16:33:49 +01:00
linux-aio.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
Makefile.objs
mirror.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
nbd-client.c nbd/client: Trace server noncompliance on structured reads 2019-04-01 08:58:04 -05:00
nbd-client.h nbd: Restrict connection_co reentrance 2019-02-25 15:03:19 +01:00
nbd.c nbd/client: Lower min_block for block-status, unaligned size 2019-03-30 20:52:19 -05:00
nfs.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
null.c block/null: Generate filename even with latency-ns 2019-02-25 15:11:27 +01:00
nvme.c block/nvme: Fix bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
parallels.c block/parallels: use QEMU_IOVEC_INIT_BUF 2019-02-22 09:42:13 +00:00
parallels.h
qapi.c qapi: drop x- from x-block-latency-histogram-set 2019-03-12 20:30:08 +01:00
qcow2-bitmap.c block/qcow2-bitmap: Allow resizes with persistent bitmaps 2019-03-12 14:57:38 -04:00
qcow2-cache.c qcow2: External file I/O 2019-03-08 12:26:46 +01:00
qcow2-cluster.c qcow2: Implement data-file-raw create option 2019-03-08 12:26:46 +01:00
qcow2-refcount.c qcow2: Support external data file in qemu-img check 2019-03-08 12:26:46 +01:00
qcow2-snapshot.c qcow2: Return error for snapshot operation with data file 2019-03-08 12:26:46 +01:00
qcow2.c qcow2: Fix data file error condition in qcow2_co_create() 2019-03-19 15:49:29 +01:00
qcow2.h block/qcow2-bitmap: Allow resizes with persistent bitmaps 2019-03-12 14:57:38 -04:00
qcow.c Block layer patches: 2019-02-26 19:04:47 +00:00
qed-check.c
qed-cluster.c
qed-l2-cache.c
qed-table.c block/qed: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
qed.c Block layer patches: 2019-02-26 19:04:47 +00:00
qed.h
quorum.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
raw-format.c block: Advertise BDRV_REQ_NO_FALLBACK in filter drivers 2019-03-26 11:37:51 +01:00
rbd.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
replication.c block: Make bdrv_{copy_on_read,crypto_luks,replication} static 2019-03-19 15:49:29 +01:00
sheepdog.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
snapshot.c block/snapshot: remove bdrv_snapshot_delete_by_id_or_name 2019-02-25 15:03:18 +01:00
ssh.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
stream.c block: freeze the backing chain earlier in stream_start() 2019-04-02 12:04:44 +02:00
throttle-groups.c throttle-groups: fix restart coroutine iothread race 2019-01-24 10:02:28 +00:00
throttle.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
trace-events nbd/client: Trace server noncompliance on structured reads 2019-04-01 08:58:04 -05:00
vdi.c block: Eliminate the S_1KiB, S_2KiB, ... macros 2019-02-01 13:46:45 +01:00
vhdx-endian.c
vhdx-log.c block: Use bdrv_refresh_filename() to pull 2019-02-25 15:11:25 +01:00
vhdx.c
vhdx.h
vmdk.c vmdk: Support version=3 in VMDK descriptor files 2019-03-19 15:49:29 +01:00
vpc.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
vvfat.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
vxhs.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
win32-aio.c
write-threshold.c