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authorManos Pitsidianakis <el13635@mail.ntua.gr>2017-08-25 16:20:24 +0300
committerKevin Wolf <kwolf@redhat.com>2017-09-05 16:47:52 +0200
commitc61791fc23ecd96e6a1e038c379c4033ffd5f40c (patch)
tree54226255fb34d61ce0dcfe2cf05724f3e2594c02 /include/block/throttle-groups.h
parent022cdc9f407434ad6eb7ace80362a1218a009bcc (diff)
downloadqemu-c61791fc23ecd96e6a1e038c379c4033ffd5f40c.tar.gz
block: add aio_context field in ThrottleGroupMember
timer_cb() needs to know about the current Aio context of the throttle request that is woken up. In order to make ThrottleGroupMember backend agnostic, this information is stored in an aio_context field instead of accessing it from BlockBackend. Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/block/throttle-groups.h')
-rw-r--r--include/block/throttle-groups.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/block/throttle-groups.h b/include/block/throttle-groups.h
index 1a6bcdae74..a0f27cac63 100644
--- a/include/block/throttle-groups.h
+++ b/include/block/throttle-groups.h
@@ -33,6 +33,7 @@
*/
typedef struct ThrottleGroupMember {
+ AioContext *aio_context;
/* throttled_reqs_lock protects the CoQueues for throttled requests. */
CoMutex throttled_reqs_lock;
CoQueue throttled_reqs[2];
@@ -61,12 +62,16 @@ void throttle_group_config(ThrottleGroupMember *tgm, ThrottleConfig *cfg);
void throttle_group_get_config(ThrottleGroupMember *tgm, ThrottleConfig *cfg);
void throttle_group_register_tgm(ThrottleGroupMember *tgm,
- const char *groupname);
+ const char *groupname,
+ AioContext *ctx);
void throttle_group_unregister_tgm(ThrottleGroupMember *tgm);
void throttle_group_restart_tgm(ThrottleGroupMember *tgm);
void coroutine_fn throttle_group_co_io_limits_intercept(ThrottleGroupMember *tgm,
unsigned int bytes,
bool is_write);
+void throttle_group_attach_aio_context(ThrottleGroupMember *tgm,
+ AioContext *new_context);
+void throttle_group_detach_aio_context(ThrottleGroupMember *tgm);
#endif