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Stefan Hajnoczi 58a2e3f5c3 block: compile out assert_bdrv_graph_readable() by default 
reader_count() is a performance bottleneck because the global
aio_context_list_lock mutex causes thread contention. Put this debugging
assertion behind a new ./configure --enable-debug-graph-lock option and
disable it by default.

The --enable-debug-graph-lock option is also enabled by the more general
--enable-debug option.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230501173443.153062-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:16:54 +02:00
..
export
block/export: call blk_set_dev_ops(blk, NULL, NULL)
2023-05-03 14:00:08 -05:00
monitor
block/monitor: Fix crash when executing HMP commit
2023-04-25 15:11:57 +02:00
accounting.c
block: add missed block_acct_setup with new block device init procedure
2022-09-30 18:42:34 +02:00
aio_task.c
block/aio_task: assert max_busy_tasks is greater than 0
2021-10-05 18:56:41 +02:00
amend.c
block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
backup.c
Block layer patches
2023-02-24 15:09:39 +00:00
blkdebug.c
blkdebug: add missing coroutine_fn annotation
2023-04-25 13:17:28 +02:00
blkio.c
block: Convert bdrv_get_info() to co_wrapper_mixed
2023-02-01 16:52:32 +01:00
blklogwrites.c
block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
2023-02-23 19:49:33 +01:00
blkreplay.c
block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
2023-02-23 19:49:33 +01:00
blkverify.c
block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
block-backend.c
block: Consistently call bdrv_activate() outside coroutine
2023-05-10 14:16:53 +02:00
block-copy.c
block: Mark bdrv_co_pwrite_zeroes() and callers GRAPH_RDLOCK
2023-02-23 19:49:14 +01:00
block-gen.h
block-coroutine-wrapper.py: support also basic return types
2022-12-15 16:07:43 +01:00
block-ram-registrar.c
block: add BlockRAMRegistrar
2022-10-26 14:56:42 -04:00
bochs.c
block: Mark public read/write functions GRAPH_RDLOCK
2023-02-23 19:49:17 +01:00
cloop.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00
commit.c
Block layer patches
2023-02-24 15:09:39 +00:00
copy-before-write.c
block: Mark preadv_snapshot/snapshot_block_status GRAPH_RDLOCK
2023-02-23 19:49:21 +01:00
copy-before-write.h
block/copy-before-write.h: global state API + assertions
2022-03-04 18:18:25 +01:00
copy-on-read.c
block: remove has_variable_length from filters
2023-04-11 16:38:56 +02:00
copy-on-read.h
Clean up ill-advised or unusual header guards
2022-05-11 16:50:01 +02:00
coroutines.h
nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK
2023-05-10 14:16:53 +02:00
create.c
block: Mark bdrv_co_create() and callers GRAPH_RDLOCK
2023-02-23 19:49:23 +01:00
crypto.c
block: Mark bdrv_co_get_info() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
crypto.h
…
curl.c
block: Handle curl 7.55.0, 7.85.0 version changes
2023-02-17 14:33:52 +01:00
dirty-bitmap.c
block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK
2023-02-23 19:49:32 +01:00
dmg-bz2.c
…
dmg-lzfse.c
block/dmg: Ignore C99 prototype declaration mismatch from <lzfse.h>
2023-03-30 15:03:36 +02:00
dmg.c
block/dmg: Declare a type definition for DMG uncompress function
2023-04-24 13:53:44 -04:00
dmg.h
block/dmg: Declare a type definition for DMG uncompress function
2023-04-24 13:53:44 -04:00
file-posix.c
thread-pool: avoid passing the pool parameter every time
2023-04-25 13:17:28 +02:00
file-win32.c
thread-pool: avoid passing the pool parameter every time
2023-04-25 13:17:28 +02:00
filter-compress.c
block: remove has_variable_length from filters
2023-04-11 16:38:56 +02:00
gluster.c
block: Convert bdrv_get_allocated_file_size() to co_wrapper
2023-02-01 16:52:32 +01:00
graph-lock.c
block: compile out assert_bdrv_graph_readable() by default
2023-05-10 14:16:54 +02:00
io_uring.c
io_uring: use LuringState from the running thread
2023-04-25 13:17:28 +02:00
io.c
block: Mark bdrv_refresh_limits() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
iscsi-opts.c
modules: add block module annotations
2021-07-09 18:20:27 +02:00
iscsi.c
block: Mark bdrv_co_copy_range() GRAPH_RDLOCK
2023-02-23 19:49:20 +01:00
linux-aio.c
linux-aio: use LinuxAioState from the running thread
2023-04-25 13:17:28 +02:00
meson.build
block: add configure options for excluding vmdk, vhdx and vpc
2023-05-10 14:15:13 +02:00
mirror.c
block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
nbd.c
nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK
2023-05-10 14:16:53 +02:00
nfs.c
block/nfs: do not poll within a coroutine
2023-04-12 18:26:51 +02:00
null.c
block: Convert bdrv_get_allocated_file_size() to co_wrapper
2023-02-01 16:52:32 +01:00
nvme.c
block: Convert bdrv_refresh_total_sectors() to co_wrapper_mixed
2023-02-01 16:52:32 +01:00
parallels-ext.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00
parallels.c
block: bdrv/blk_co_unref() for calls in coroutine context
2023-05-10 14:16:53 +02:00
parallels.h
parallels: support bitmap extension for read-only mode
2021-03-08 14:56:55 +01:00
preallocate.c
block: remove has_variable_length from filters
2023-04-11 16:38:56 +02:00
progress_meter.c
coroutine: Clean up superfluous inclusion of qemu/lockable.h
2023-01-19 10:18:28 +01:00
qapi-sysemu.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00
qapi.c
block: Mark bdrv_query_bds_stats() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
qcow2-bitmap.c
qcow2: mark various functions as coroutine_fn and GRAPH_RDLOCK
2023-04-25 13:17:28 +02:00
qcow2-cache.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00
qcow2-cluster.c
qcow2: mark various functions as coroutine_fn and GRAPH_RDLOCK
2023-04-25 13:17:28 +02:00
qcow2-refcount.c
qcow2: Don't call bdrv_getlength() in coroutine_fns
2023-05-10 14:16:53 +02:00
qcow2-snapshot.c
qcow2: mark various functions as coroutine_fn and GRAPH_RDLOCK
2023-04-25 13:17:28 +02:00
qcow2-threads.c
thread-pool: avoid passing the pool parameter every time
2023-04-25 13:17:28 +02:00
qcow2.c
block: .bdrv_open is non-coroutine and unlocked
2023-05-10 14:16:53 +02:00
qcow2.h
qcow2: Don't call bdrv_getlength() in coroutine_fns
2023-05-10 14:16:53 +02:00
qcow.c
block: bdrv/blk_co_unref() for calls in coroutine context
2023-05-10 14:16:53 +02:00
qed-check.c
block: Mark bdrv_co_flush() and callers GRAPH_RDLOCK
2023-02-23 19:49:12 +01:00
qed-cluster.c
…
qed-l2-cache.c
osdep: Move memalign-related functions to their own header
2022-03-07 13:16:49 +00:00
qed-table.c
block: Mark public read/write functions GRAPH_RDLOCK
2023-02-23 19:49:17 +01:00
qed.c
block: .bdrv_open is non-coroutine and unlocked
2023-05-10 14:16:53 +02:00
qed.h
block: Mark public read/write functions GRAPH_RDLOCK
2023-02-23 19:49:17 +01:00
quorum.c
block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
raw-format.c
block: Mark bdrv_co_get_info() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
rbd.c
block/rbd: Add support for layered encryption
2023-02-23 19:49:35 +01:00
replication.c
block: remove has_variable_length from filters
2023-04-11 16:38:56 +02:00
reqlist.c
block/reqlist: add reqlist_wait_all()
2022-03-07 09:33:30 +01:00
snapshot-access.c
block: Mark preadv_snapshot/snapshot_block_status GRAPH_RDLOCK
2023-02-23 19:49:21 +01:00
snapshot.c
block/snapshot: drop indirection around bdrv_snapshot_fallback_ptr
2022-10-27 20:14:11 +02:00
ssh.c
block: Convert bdrv_refresh_total_sectors() to co_wrapper_mixed
2023-02-01 16:52:32 +01:00
stream.c
Block layer patches
2023-02-24 15:09:39 +00:00
throttle-groups.c
block/throttle-groups: throttle_group_co_io_limits_intercept(): 64bit bytes
2021-02-03 08:14:00 -06:00
throttle.c
block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
2023-02-23 19:49:33 +01:00
trace-events
nbd: trace long NBD operations
2022-06-29 10:57:02 +03:00
trace.h
…
vdi.c
block: bdrv/blk_co_unref() for calls in coroutine context
2023-05-10 14:16:53 +02:00
vhdx-endian.c
…
vhdx-log.c
block/vhdx: fix dynamic VHDX BAT corruption
2023-04-11 13:53:03 +02:00
vhdx.c
vhdx: Require GRAPH_RDLOCK for accessing a node's parent list
2023-05-10 14:16:53 +02:00
vhdx.h
…
vmdk.c
block: Mark bdrv_co_get_allocated_file_size() and callers GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
vpc.c
block: bdrv/blk_co_unref() for calls in coroutine context
2023-05-10 14:16:53 +02:00
vvfat.c
vvfat: mark various functions as coroutine_fn
2023-04-25 13:17:28 +02:00
win32-aio.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00
write-threshold.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00