diff options
Diffstat (limited to 'include/sysemu/block-backend.h')
-rw-r--r-- | include/sysemu/block-backend.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 840ad6134c..999eb2333a 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -72,15 +72,13 @@ typedef struct BlockDevOps { * fields that must be public. This is in particular for QLIST_ENTRY() and * friends so that BlockBackends can be kept in lists outside block-backend.c */ typedef struct BlockBackendPublic { - /* I/O throttling has its own locking, but also some fields are - * protected by the AioContext lock. - */ - - /* Protected by AioContext lock. */ + /* throttled_reqs_lock protects the CoQueues for throttled requests. */ + CoMutex throttled_reqs_lock; CoQueue throttled_reqs[2]; /* Nonzero if the I/O limits are currently being ignored; generally - * it is zero. */ + * it is zero. Accessed with atomic operations. + */ unsigned int io_limits_disabled; /* The following fields are protected by the ThrottleGroup lock. |