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Manos Pitsidianakis d8e7d87ec4 block: add throttle block filter driver 
block/throttle.c uses existing I/O throttle infrastructure inside a
block filter driver. I/O operations are intercepted in the filter's
read/write coroutines, and referred to block/throttle-groups.c

The driver can be used with the syntax
-drive driver=throttle,file.filename=foo.qcow2,throttle-group=bar

which registers the throttle filter node with the ThrottleGroup 'bar'. The
given group must be created beforehand with object-add or -object.

Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 		2017-09-06 10:12:02 +02:00
..
Makefile.objs qapi: rename *qmp-*-visitor* to *qobject-*-visitor* 2016-10-25 16:25:48 +02:00
block-core.json block: add throttle block filter driver 2017-09-06 10:12:02 +02:00
block.json qapi-schema: Improve section headings 2017-09-04 13:09:12 +02:00
char.json qapi-schema: Collect char device stuff in qapi/char.json 2017-09-04 13:09:12 +02:00
common.json qapi-schema: Improve section headings 2017-09-04 13:09:12 +02:00
crypto.json qapi-schema: Improve section headings 2017-09-04 13:09:12 +02:00
introspect.json qapi-schema: Introspection doc is in the wrong section, fix 2017-09-04 13:09:12 +02:00
migration.json qapi-schema: Collect migration stuff in qapi/migration.json 2017-09-04 13:09:12 +02:00
net.json qapi-schema: Collect net device stuff in qapi/net.json 2017-09-04 13:09:12 +02:00
opts-visitor.c qapi: Fix QemuOpts visitor regression on unvisited input 2017-03-22 19:24:34 +01:00
qapi-clone-visitor.c qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
qapi-dealloc-visitor.c qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
qapi-util.c qapi: Change data type of the FOO_lookup generated for enum FOO 2017-09-04 13:09:13 +02:00
qapi-visit-core.c qapi: Change data type of the FOO_lookup generated for enum FOO 2017-09-04 13:09:13 +02:00
qmp-dispatch.c qapi: Mechanically convert FOO_lookup[...] to FOO_str(...) 2017-09-04 13:09:13 +02:00
qmp-event.c qobject: Use simpler QDict/QList scalar insertion macros 2017-05-09 09:13:51 +02:00
qmp-registry.c qapi: Support multiple command registries per program 2017-03-05 09:12:25 +01:00
qobject-input-visitor.c qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
qobject-output-visitor.c qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
rocker.json qapi: The #optional tag is redundant, drop 2017-03-16 07:13:02 +01:00
run-state.json qapi-schema: Collect run state stuff in qapi/run-state.json 2017-09-04 13:09:12 +02:00
sockets.json qapi-schema: Collect sockets stuff in qapi/sockets.json 2017-09-04 13:09:12 +02:00
string-input-visitor.c qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
string-output-visitor.c qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
tpm.json qapi-schema: Collect TPM stuff in qapi/tpm.json 2017-09-04 13:09:12 +02:00
trace-events qapi: Use QNull for a more regular visit_type_null() 2017-07-24 13:35:11 +02:00
trace.json qapi-schema: Improve section headings 2017-09-04 13:09:12 +02:00
transaction.json qapi-schema: Collect transaction stuff in qapi/transaction.json 2017-09-04 13:09:12 +02:00
ui.json qapi-schema: Collect UI stuff in qapi/ui.json 2017-09-04 13:09:12 +02:00