diff options
Diffstat (limited to 'include/block/block-io.h')
| -rw-r--r-- | include/block/block-io.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/include/block/block-io.h b/include/block/block-io.h index 8eb39a8..b49e053 100644 --- a/include/block/block-io.h +++ b/include/block/block-io.h @@ -332,11 +332,10 @@ bdrv_co_copy_range(BdrvChild *src, int64_t src_offset, * "I/O or GS" API functions. These functions can run without * the BQL, but only in one specific iothread/main loop. * - * More specifically, these functions use BDRV_POLL_WHILE(bs), which - * requires the caller to be either in the main thread and hold - * the BlockdriverState (bs) AioContext lock, or directly in the - * home thread that runs the bs AioContext. Calling them from - * another thread in another AioContext would cause deadlocks. + * More specifically, these functions use BDRV_POLL_WHILE(bs), which requires + * the caller to be either in the main thread or directly in the home thread + * that runs the bs AioContext. Calling them from another thread in another + * AioContext would cause deadlocks. * * Therefore, these functions are not proper I/O, because they * can't run in *any* iothreads, but only in a specific one. |