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[bcache] reverse earlier patch.
It broke some unit tests, for v. little benefit
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2b3c39e402
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@ -293,10 +293,6 @@ static bool _async_issue(struct io_engine *ioe, enum dir d, int fd,
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if (r < 0) {
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_cb_free(e->cbs, cb);
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((struct block *) context)->error = r;
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log_warn("io_submit <%c> off %llu bytes %llu return %d:%s",
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(d == DIR_READ) ? 'R' : 'W', (long long unsigned)offset,
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(long long unsigned) nbytes, r, strerror(-r));
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return false;
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}
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@ -873,7 +869,8 @@ static void _issue_low_level(struct block *b, enum dir d)
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dm_list_move(&cache->io_pending, &b->list);
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if (!cache->engine->issue(cache->engine, d, b->fd, sb, se, b->data, b)) {
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_complete_io(b, b->error);
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/* FIXME: if io_submit() set an errno, return that instead of EIO? */
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_complete_io(b, -EIO);
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return;
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}
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}
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