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Stefan Hajnoczi ee68697551 linux-aio: poll ring for completions 
The Linux AIO userspace ABI includes a ring that is shared with the
kernel.  This allows userspace programs to process completions without
system calls.

Add an AioContext poll handler to check for completions in the ring.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-6-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-03 16:38:48 +00:00
..
accounting.c
archipelago.c block: use aio_bh_schedule_oneshot 2016-10-07 13:34:07 +02:00
backup.c blockjob: refactor backup_start as backup_job_create 2016-11-14 22:47:34 -05:00
blkdebug.c block: use aio_bh_schedule_oneshot 2016-10-07 13:34:07 +02:00
blkreplay.c replay: allow replay stopping and restarting 2016-09-27 11:57:30 +02:00
blkverify.c block: use aio_bh_schedule_oneshot 2016-10-07 13:34:07 +02:00
block-backend.c block-backend: Always notify on blk_eject 2016-11-14 11:15:54 -05:00
bochs.c
cloop.c
commit.c blockjob: add block_job_start 2016-11-14 22:47:34 -05:00
crypto.c
curl.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
dirty-bitmap.c block: More operations for meta dirty bitmap 2016-10-24 17:56:07 +02:00
dmg-bz2.c dmg: Move libbz2 code to dmg-bz2.so 2016-10-07 14:14:06 +02:00
dmg.c dmg: Move libbz2 code to dmg-bz2.so 2016-10-07 14:14:06 +02:00
dmg.h dmg: Move libbz2 code to dmg-bz2.so 2016-10-07 14:14:06 +02:00
gluster.c block/gluster: fix QMP to match debug option 2016-12-05 16:30:15 -05:00
io.c block: Pass unaligned discard requests to drivers 2016-11-22 15:59:23 +01:00
iscsi.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
linux-aio.c linux-aio: poll ring for completions 2017-01-03 16:38:48 +00:00
Makefile.objs dmg: Move libbz2 code to dmg-bz2.so 2016-10-07 14:14:06 +02:00
mirror.c mirror: do not flush every time the disks are synced 2016-11-14 22:49:26 -05:00
nbd-client.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
nbd-client.h nbd: Implement NBD_CMD_WRITE_ZEROES on client 2016-11-02 09:28:56 +01:00
nbd.c block/nbd: Fix the leaked visitor 2016-11-11 15:54:55 +01:00
nfs.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
null.c block: use aio_bh_schedule_oneshot 2016-10-07 13:34:07 +02:00
parallels.c
qapi.c qapi: rename QmpOutputVisitor to QObjectOutputVisitor 2016-10-25 16:25:54 +02:00
qcow.c crypto: extend mode as a parameter in qcrypto_cipher_supports() 2016-10-19 10:09:24 +01:00
qcow2-cache.c qcow2: Remove stale comment 2016-11-25 13:51:30 +01:00
qcow2-cluster.c qcow2: Support BDRV_REQ_MAY_UNMAP 2016-10-24 17:54:03 +02:00
qcow2-refcount.c
qcow2-snapshot.c
qcow2.c qcow2: Don't strand clusters near 2G intervals during commit 2016-12-06 15:37:02 +01:00
qcow2.h qcow2: Remove stale FIXME comment 2016-11-11 15:54:55 +01:00
qed-check.c
qed-cluster.c
qed-gencb.c
qed-l2-cache.c
qed-table.c block: introduce BDRV_POLL_WHILE 2016-10-28 21:50:18 +08:00
qed.c qed: Implement .bdrv_drain 2016-10-28 21:50:18 +08:00
qed.h block: use aio_bh_schedule_oneshot 2016-10-07 13:34:07 +02:00
quorum.c quorum: do not allocate multiple iovecs for FIFO strategy 2016-10-24 17:56:06 +02:00
raw-posix.c raw-posix: Rename 'raw_s' to 'rs' 2016-11-11 15:56:22 +01:00
raw-win32.c block: improve error handling in raw_open 2016-10-24 17:54:03 +02:00
raw_bsd.c raw_bsd: don't check size alignment when only offset is set 2016-11-11 15:54:55 +01:00
rbd.c rbd: make the code more readable 2016-11-01 07:55:57 -04:00
replication.c blockjob: refactor backup_start as backup_job_create 2016-11-14 22:47:34 -05:00
sheepdog.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
snapshot.c
ssh.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
stream.c blockjob: add block_job_start 2016-11-14 22:47:34 -05:00
throttle-groups.c throttle: Correct access to wrong BlockBackendPublic structures 2016-10-24 17:54:03 +02:00
trace-events blockjob: add block_job_start 2016-11-14 22:47:34 -05:00
vdi.c
vhdx-endian.c
vhdx-log.c
vhdx.c
vhdx.h
vmdk.c
vpc.c
vvfat.c
win32-aio.c aio: add AioPollFn and io_poll() interface 2017-01-03 16:38:48 +00:00
write-threshold.c block: use bdrv_add_before_write_notifier 2016-10-07 13:34:07 +02:00