diff options
Diffstat (limited to 'async.c')
| -rw-r--r-- | async.c | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -29,6 +29,7 @@ #include "block/thread-pool.h" #include "qemu/main-loop.h" #include "qemu/atomic.h" +#include "block/raw-aio.h" /***********************************************************/ /* bottom halves (can be seen as timers which expire ASAP) */ @@ -242,6 +243,14 @@ aio_ctx_finalize(GSource *source) qemu_bh_delete(ctx->notify_dummy_bh); thread_pool_free(ctx->thread_pool); +#ifdef CONFIG_LINUX_AIO + if (ctx->linux_aio) { + laio_detach_aio_context(ctx->linux_aio, ctx); + laio_cleanup(ctx->linux_aio); + ctx->linux_aio = NULL; + } +#endif + qemu_mutex_lock(&ctx->bh_lock); while (ctx->first_bh) { QEMUBH *next = ctx->first_bh->next; @@ -282,6 +291,17 @@ ThreadPool *aio_get_thread_pool(AioContext *ctx) return ctx->thread_pool; } +#ifdef CONFIG_LINUX_AIO +LinuxAioState *aio_get_linux_aio(AioContext *ctx) +{ + if (!ctx->linux_aio) { + ctx->linux_aio = laio_init(); + laio_attach_aio_context(ctx->linux_aio, ctx); + } + return ctx->linux_aio; +} +#endif + void aio_notify(AioContext *ctx) { /* Write e.g. bh->scheduled before reading ctx->notify_me. Pairs @@ -345,6 +365,9 @@ AioContext *aio_context_new(Error **errp) false, (EventNotifierHandler *) event_notifier_dummy_cb); +#ifdef CONFIG_LINUX_AIO + ctx->linux_aio = NULL; +#endif ctx->thread_pool = NULL; qemu_mutex_init(&ctx->bh_lock); rfifolock_init(&ctx->lock, aio_rfifolock_cb, ctx); |