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linux-aio: drop return code from laio_io_unplug and ioq_submit

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These are unused.

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1418305950-30924-5-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-12-11 14:52:29 +01:00 committed by Stefan Hajnoczi
parent 8455ce053a
commit de35464461
2 changed files with 6 additions and 11 deletions
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15
block/linux-aio.c
View File

@ -59,7 +59,7 @@ struct qemu_laio_state {
int event_max;
};
static int ioq_submit(struct qemu_laio_state *s);
static void ioq_submit(struct qemu_laio_state *s);
static inline ssize_t io_event_ret(struct io_event *ev)
{
@ -184,7 +184,7 @@ static void ioq_init(LaioQueue *io_q)
io_q->blocked = false;
}
static int ioq_submit(struct qemu_laio_state *s)
static void ioq_submit(struct qemu_laio_state *s)
{
int ret, i, len;
struct qemu_laiocb *aiocb;
@ -213,8 +213,6 @@ static int ioq_submit(struct qemu_laio_state *s)
}
} while (ret == len && !QSIMPLEQ_EMPTY(&s->io_q.pending));
s->io_q.blocked = (s->io_q.n > 0);
return ret;
}
void laio_io_plug(BlockDriverState *bs, void *aio_ctx)
@ -224,22 +222,19 @@ void laio_io_plug(BlockDriverState *bs, void *aio_ctx)
s->io_q.plugged++;
}
int laio_io_unplug(BlockDriverState *bs, void *aio_ctx, bool unplug)
void laio_io_unplug(BlockDriverState *bs, void *aio_ctx, bool unplug)
{
struct qemu_laio_state *s = aio_ctx;
int ret = 0;
assert(s->io_q.plugged > 0 || !unplug);
if (unplug && --s->io_q.plugged > 0) {
return 0;
return;
}
if (!s->io_q.blocked && !QSIMPLEQ_EMPTY(&s->io_q.pending)) {
ret = ioq_submit(s);
ioq_submit(s);
}
return ret;
}
BlockAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd,

2
block/raw-aio.h
View File

@ -41,7 +41,7 @@ BlockAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd,
void laio_detach_aio_context(void *s, AioContext *old_context);
void laio_attach_aio_context(void *s, AioContext *new_context);
void laio_io_plug(BlockDriverState *bs, void *aio_ctx);
int laio_io_unplug(BlockDriverState *bs, void *aio_ctx, bool unplug);
void laio_io_unplug(BlockDriverState *bs, void *aio_ctx, bool unplug);
#endif
#ifdef _WIN32