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e2dd273754
qemu/include/block
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Kevin Wolf e2dd273754 block: Introduce bdrv_co_change_backing_file() 
bdrv_change_backing_file() is called both inside and outside coroutine
context. This makes it difficult for it to take the graph lock
internally. It also means that driver implementations need to be able to
run outside of coroutines, too. Switch it to the usual model with a
coroutine based implementation and a co_wrapper instead. The new
function is marked GRAPH_RDLOCK.

As the co_wrapper now runs the function in the AioContext of the node
(as it should always have done), this is not GLOBAL_STATE_CODE() any
more.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231027155333.420094-20-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-11-08 17:56:17 +01:00
..
accounting.h block: add accounting for zone append operation 2023-05-15 08:18:10 -04:00
aio_task.h coroutine: Move coroutine_fn to qemu/osdep.h, trim includes 2023-01-19 10:18:28 +01:00
aio-wait.h aio-wait: avoid AioContext lock in aio_wait_bh_oneshot() 2023-05-10 14:15:13 +02:00
aio.h block: mark aio_poll as non-coroutine 2023-09-20 17:46:16 +02:00
block_backup.h include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00
block_int-common.h block: Introduce bdrv_co_change_backing_file() 2023-11-08 17:56:17 +01:00
block_int-global-state.h block: Mark bdrv_skip_implicit_filters() and callers GRAPH_RDLOCK 2023-11-07 19:14:19 +01:00
block_int-io.h block: Mark bdrv_cow_child() and callers GRAPH_RDLOCK 2023-11-07 19:14:19 +01:00
block_int.h include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00
block-common.h block-coroutine-wrapper: Add no_co_wrapper_bdrv_rdlock functions 2023-10-12 16:31:33 +02:00
block-copy.h block: Mark bdrv_co_block_status() and callers GRAPH_RDLOCK 2023-02-23 19:49:07 +01:00
block-global-state.h block: Introduce bdrv_co_change_backing_file() 2023-11-08 17:56:17 +01:00
block-hmp-cmds.h include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00
block-io.h block: Introduce bdrv_co_change_backing_file() 2023-11-08 17:56:17 +01:00
block.h include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00
blockjob_int.h block: Mark block_job_add_bdrv() GRAPH_WRLOCK 2023-11-07 19:14:19 +01:00
blockjob.h block: Mark block_job_add_bdrv() GRAPH_WRLOCK 2023-11-07 19:14:19 +01:00
dirty-bitmap.h block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK 2023-02-23 19:49:32 +01:00
export.h block/export: don't require AioContext lock around blk_exp_ref/unref() 2023-05-30 17:32:02 +02:00
fuse.h fuse: Allow exporting BDSs via FUSE 2020-12-11 17:52:39 +01:00
graph-lock.h block: Add assertion for bdrv_graph_wrlock() 2023-10-12 16:31:33 +02:00
nbd.h nbd/server: Prepare for per-request filtering of BLOCK_STATUS 2023-10-05 11:02:08 -05:00
nvme.h hw/nvme: flexible data placement emulation 2023-03-06 15:28:02 +01:00
qapi.h block: Mark bdrv_get_parent_name() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
qdict.h include: move qdict_{crumple,flatten} declarations 2022-04-21 17:03:51 +04:00
raw-aio.h block/linux-aio: convert to blk_io_plug_call() API 2023-06-01 07:34:03 -04:00
replication.h replication: move include out of root directory 2021-05-26 14:49:46 +02:00
reqlist.h block/reqlist: add reqlist_wait_all() 2022-03-07 09:33:30 +01:00
snapshot.h block: Mark bdrv_snapshot_fallback() and callers GRAPH_RDLOCK 2023-10-12 16:31:33 +02:00
thread-pool.h thread-pool: avoid passing the pool parameter every time 2023-04-25 13:17:28 +02:00
throttle-groups.h block/throttle-groups: Use ThrottleDirection instread of bool is_write 2023-08-29 10:49:24 +02:00
ufs.h hw/ufs: Modify lu.c to share codes with SCSI subsystem 2023-10-30 10:28:04 +09:00
write-threshold.h block: Clean up includes 2023-02-08 07:28:05 +01:00