diff options
| author | Fam Zheng <famz@redhat.com> | 2015-10-30 12:06:27 +0800 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-11-09 09:59:32 +0000 |
| commit | 5ceb9e39284b69d2e1b01da3cb1894ad4b2b4606 (patch) | |
| tree | 2181dd7aec6b2379716bfd55c97a82512f449e75 /include | |
| parent | 8347c53243b58ad5e4d623d2403853404e9043a1 (diff) | |
aio: Introduce aio_external_disabled
This allows AioContext users to check the enable/disable state of
external clients.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1446177989-6702-2-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/aio.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/block/aio.h b/include/block/aio.h index 92efc5e1f1..cab7c765e3 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -406,6 +406,17 @@ static inline void aio_enable_external(AioContext *ctx) } /** + * aio_external_disabled: + * @ctx: the aio context + * + * Return true if the external clients are disabled. + */ +static inline bool aio_external_disabled(AioContext *ctx) +{ + return atomic_read(&ctx->external_disable_cnt); +} + +/** * aio_node_check: * @ctx: the aio context * @is_external: Whether or not the checked node is an external event source. |