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aio: better error reporting

This commit is contained in:
Thomas Schoebel-Theuer 2013-01-12 12:47:25 +01:00
parent e88e857ee9
commit 93e7ffdf49
1 changed files with 12 additions and 5 deletions
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17
mars_aio.c
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@ -950,12 +950,13 @@ static int aio_submit_thread(void *data)
* which uses userspace concepts like file handles.
* This should be accompanied by a future kernelsapce vfs_submit() or
* do_submit() which currently does not exist :(
* FIXME: corresponding cleanup NYI
*/
err = get_unused_fd();
MARS_INF("fd = %d\n", err);
if (unlikely(err < 0))
if (unlikely(err < 0)) {
MARS_ERR("cannot get fd, err=%d\n", err);
goto done;
}
output->fd = err;
fd_install(err, file);
@ -965,19 +966,25 @@ static int aio_submit_thread(void *data)
use_fake_mm();
err = -ENOMEM;
if (unlikely(!current->mm))
if (unlikely(!current->mm)) {
MARS_ERR("cannot fake mm\n");
goto cleanup_fd;
}
oldfs = get_fs();
set_fs(get_ds());
err = sys_io_setup(MARS_MAX_AIO, &output->ctxp);
set_fs(oldfs);
if (unlikely(err < 0))
if (unlikely(err < 0)) {
MARS_ERR("io_setup failed, err=%d\n", err);
goto cleanup_mm;
}
err = aio_start_thread(output, &output->tinfo[1], aio_event_thread, 'e');
if (unlikely(err < 0))
if (unlikely(err < 0)) {
MARS_ERR("could not start event thread\n");
goto cleanup_ctxp;
}
while (!brick_thread_should_stop() || atomic_read(&output->read_count) + atomic_read(&output->write_count) + atomic_read(&tinfo->queued_sum) > 0) {
struct aio_mref_aspect *mref_a;