On Mon, Sep 07, 2020 at 01:55:10AM +0800, Zorro Lang wrote: > The original number(128) of aio events for io_setup too big. When try > to run lots of fsstress processes(e.g. -p 1000) always hit io_setup > EAGAIN error, due to the nr_events exceeds the limit of available > events. Due to each fsstress process only does once libaio read/write > operation each time. So reduce the aio events number to 1, to make more > fsstress processes can do AIO test. > > Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx> > --- Same as the previous version..? Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> > ltp/fsstress.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/ltp/fsstress.c b/ltp/fsstress.c > index 2c584ef0..b4a51376 100644 > --- a/ltp/fsstress.c > +++ b/ltp/fsstress.c > @@ -28,6 +28,7 @@ > #endif > #ifdef AIO > #include <libaio.h> > +#define AIO_ENTRIES 1 > io_context_t io_ctx; > #endif > #ifdef URING > @@ -699,8 +700,8 @@ int main(int argc, char **argv) > } > procid = i; > #ifdef AIO > - if (io_setup(128, &io_ctx) != 0) { > - fprintf(stderr, "io_setup failed"); > + if (io_setup(AIO_ENTRIES, &io_ctx) != 0) { > + fprintf(stderr, "io_setup failed\n"); > exit(1); > } > #endif > -- > 2.20.1 >