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Daniel P. Berrangé 83750c1da8 block: skip automatic zero-init of large array in ioq_submit ... The 'ioq_submit' method has a struct array that is 8k in size. Skip the automatic zero-init of this array to eliminate the performance overhead in the I/O hot path. The 'iocbs' array will selectively initialized when processing the I/O data. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20250610123709.835102-4-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>		2 weeks ago
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export	block/export: Add option to allow export of inactive nodes	5 months ago
monitor	nbd/server: Allow users to adjust handshake limit in QMP	5 months ago
accounting.c	include: Rename sysemu/ -> system/	6 months ago
aio_task.c	block: Remove unused aio_task_pool_empty	9 months ago
amend.c	block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK	2 years ago
backup.c	block: move drain outside of bdrv_root_attach_child()	3 weeks ago
blkdebug.c	block: Expand block status mode from bool to flags	1 month ago
blkio.c	include/system: Move exec/memory.h to system/memory.h	2 months ago
blklogwrites.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
blkreplay.c	include: Rename sysemu/ -> system/	6 months ago
blkverify.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
block-backend.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
block-copy.c	include: Rename sysemu/ -> system/	6 months ago
block-gen.h	block-coroutine-wrapper.py: support also basic return types	3 years ago
block-ram-registrar.c	include: Rename sysemu/ -> system/	6 months ago
bochs.c	block: Take graph lock for most of .bdrv_open	2 years ago
cloop.c	block: Take graph lock for most of .bdrv_open	2 years ago
commit.c	block: move drain outside of bdrv_root_attach_child()	3 weeks ago
copy-before-write.c	block: Expand block status mode from bool to flags	1 month ago
copy-before-write.h	blockdev-backup: Add error handling option for copy-before-write jobs	2 months ago
copy-on-read.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
copy-on-read.h	block: Mark bdrv_(un)freeze_backing_chain() and callers GRAPH_RDLOCK	2 years ago
coroutines.h	block: Expand block status mode from bool to flags	1 month ago
create.c	qemu/compiler: Absorb 'clang-tsa.h'	4 months ago
crypto.c	include: Rename sysemu/ -> system/	6 months ago
crypto.h	block: Support detached LUKS header creation using qemu-img	1 year ago
curl.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
dirty-bitmap.c	block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK	2 years ago
dmg-bz2.c	…
dmg-lzfse.c	block/dmg: Ignore C99 prototype declaration mismatch from <lzfse.h>	2 years ago
dmg.c	block: Protect bs->file with graph_lock	2 years ago
dmg.h	block/dmg: Declare a type definition for DMG uncompress function	2 years ago
file-posix.c	file-posix: Probe paths and retry SG_IO on potential path errors	1 month ago
file-win32.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
filter-compress.c	block: Take graph lock for most of .bdrv_open	2 years ago
gluster.c	file-posix, gluster: Handle zero block status hint better	1 month ago
graph-lock.c	graph-lock: remove AioContext locking	2 years ago
io.c	block/io: remove duplicate GLOBAL_STATE_CODE() in bdrv_do_drained_end()	3 weeks ago
io_uring.c	file-posix: Support FUA writes	4 months ago
iscsi-opts.c	…
iscsi.c	block: Expand block status mode from bool to flags	1 month ago
linux-aio.c	block: skip automatic zero-init of large array in ioq_submit	2 weeks ago
meson.build	include: Rename sysemu/ -> system/	6 months ago
mirror.c	block: move drain outside of bdrv_root_attach_child()	3 weeks ago
nbd.c	block: Expand block status mode from bool to flags	1 month ago
nfs.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
null.c	block: Expand block status mode from bool to flags	1 month ago
nvme.c	block/nvme: Use host PCI MMIO API	2 months ago
parallels-ext.c	qapi/crypto: Rename QCryptoHashAlgorithm to *Algo, and drop prefix	10 months ago
parallels.c	block: Expand block status mode from bool to flags	1 month ago
parallels.h	block: Protect bs->file with graph_lock	2 years ago
preallocate.c	block: Protect bs->file with graph_lock	2 years ago
progress_meter.c	coroutine: Clean up superfluous inclusion of qemu/lockable.h	2 years ago
qapi-system.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
qapi.c	Block layer patches	5 months ago
qcow.c	block: Expand block status mode from bool to flags	1 month ago
qcow2-bitmap.c	block/qcow2-bitmap: Replace g_memdup() by g_memdup2()	1 year ago
qcow2-cache.c	qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK	2 years ago
qcow2-cluster.c	qcow2: Take locks for accessing bs->file	2 years ago
qcow2-refcount.c	qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK	2 years ago
qcow2-snapshot.c	include: Rename sysemu/ -> system/	6 months ago
qcow2-threads.c	thread-pool: avoid passing the pool parameter every time	2 years ago
qcow2.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
qcow2.h	qcow2: Take locks for accessing bs->file	2 years ago
qed-check.c	qed: mark more functions as coroutine_fns and GRAPH_RDLOCK	2 years ago
qed-cluster.c	…
qed-l2-cache.c	…
qed-table.c	block: use bdrv_co_debug_event in coroutine context	2 years ago
qed.c	block: Expand block status mode from bool to flags	1 month ago
qed.h	block: Protect bs->file with graph_lock	2 years ago
quorum.c	block: move drain outside of quorum_del_child()	3 weeks ago
raw-format.c	block: Expand block status mode from bool to flags	1 month ago
rbd.c	block: Expand block status mode from bool to flags	1 month ago
replication.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
reqlist.c	block/reqlist: allow adding overlapping requests	9 months ago
snapshot-access.c	block: Expand block status mode from bool to flags	1 month ago
snapshot.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
ssh.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
stream.c	block: move drain outside of bdrv_root_attach_child()	3 weeks ago
throttle-groups.c	qom: Make InterfaceInfo[] uses const	2 months ago
throttle.c	block: Take graph lock for most of .bdrv_open	2 years ago
trace-events	nbd/client: Accept 64-bit block status chunks	2 years ago
trace.h	…
vdi.c	block: Expand block status mode from bool to flags	1 month ago
vhdx-endian.c	…
vhdx-log.c	vhdx: Take locks for accessing bs->file	2 years ago
vhdx.c	qapi: Move include/qapi/qmp/ to include/qobject/	5 months ago
vhdx.h	vhdx: Take locks for accessing bs->file	2 years ago
vmdk.c	block: move drain outside of bdrv_root_unref_child()	3 weeks ago
vpc.c	block: Expand block status mode from bool to flags	1 month ago
vvfat.c	block: Expand block status mode from bool to flags	1 month ago
win32-aio.c	aio: remove aio_disable_external() API	2 years ago
write-threshold.c	block: remove AioContext locking	2 years ago